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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 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 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=&gt;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 -&gt;query_vars state like md5(serialize( $this-&gt;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-&gt;is_single            = false;
		$this-&gt;is_preview           = false;
		$this-&gt;is_page              = false;
		$this-&gt;is_archive           = false;
		$this-&gt;is_date              = false;
		$this-&gt;is_year              = false;
		$this-&gt;is_month             = false;
		$this-&gt;is_day               = false;
		$this-&gt;is_time              = false;
		$this-&gt;is_author            = false;
		$this-&gt;is_category          = false;
		$this-&gt;is_tag               = false;
		$this-&gt;is_tax               = false;
		$this-&gt;is_search            = false;
		$this-&gt;is_feed              = false;
		$this-&gt;is_comment_feed      = false;
		$this-&gt;is_trackback         = false;
		$this-&gt;is_home              = false;
		$this-&gt;is_privacy_policy    = false;
		$this-&gt;is_404               = false;
		$this-&gt;is_paged             = false;
		$this-&gt;is_admin             = false;
		$this-&gt;is_attachment        = false;
		$this-&gt;is_singular          = false;
		$this-&gt;is_robots            = false;
		$this-&gt;is_favicon           = false;
		$this-&gt;is_posts_page        = false;
		$this-&gt;is_post_type_archive = false;
	}

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

		$this-&gt;init_query_flags();
	}

	/**
	 * Reparse the query vars.
	 *
	 * @since 1.5.0
	 */
	public function parse_query_vars() {
		$this-&gt;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;
	}

	/**
	 * Parse a query string and set 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 ('=', '!=', '&gt;', '&gt;=', '&lt;', '&lt;=' ) 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=&gt;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-&gt;init();
			$this-&gt;query      = wp_parse_args( $query );
			$this-&gt;query_vars = $this-&gt;query;
		} elseif ( ! isset( $this-&gt;query ) ) {
			$this-&gt;query = $this-&gt;query_vars;
		}

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

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

		if ( ! is_scalar( $qv['p'] ) || (int) $qv['p'] &lt; 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'] ) &amp;&amp; '' !== $qv['hour'] ) {
			$qv['hour'] = absint( $qv['hour'] );
		} else {
			$qv['hour'] = '';
		}

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

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

		if ( is_scalar( $qv['menu_order'] ) &amp;&amp; '' !== $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'] ) &amp;&amp; strlen( $qv['s'] ) &gt; 1600 ) ) {
			$qv['s'] = '';
		}

		// Compat. Map subpost to attachment.
		if ( is_scalar( $qv['subpost'] ) &amp;&amp; '' != $qv['subpost'] ) {
			$qv['attachment'] = $qv['subpost'];
		}
		if ( is_scalar( $qv['subpost_id'] ) &amp;&amp; '' != $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-&gt;is_single     = true;
			$this-&gt;is_attachment = true;
		} elseif ( '' !== $qv['name'] ) {
			$this-&gt;is_single = true;
		} elseif ( $qv['p'] ) {
			$this-&gt;is_single = true;
		} elseif ( '' !== $qv['pagename'] || ! empty( $qv['page_id'] ) ) {
			$this-&gt;is_page   = true;
			$this-&gt;is_single = false;
		} else {
			// Look for archive queries. Dates, categories, authors, search, post type archives.

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

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

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

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

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

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

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

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

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

			$this-&gt;query_vars_hash = false;
			$this-&gt;parse_tax_query( $qv );

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

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

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

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

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

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

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

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

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

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

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

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

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

		$this-&gt;is_singular = $this-&gt;is_single || $this-&gt;is_page || $this-&gt;is_attachment;

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

		if ( ! ( $this-&gt;is_singular || $this-&gt;is_archive || $this-&gt;is_search || $this-&gt;is_feed
				|| ( defined( 'REST_REQUEST' ) &amp;&amp; REST_REQUEST &amp;&amp; $this-&gt;is_main_query() )
				|| $this-&gt;is_trackback || $this-&gt;is_404 || $this-&gt;is_admin || $this-&gt;is_robots || $this-&gt;is_favicon ) ) {
			$this-&gt;is_home = true;
		}

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

			unset( $_query['embed'] );

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

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

			if ( $this-&gt;queried_object &amp;&amp; 'attachment' === $this-&gt;queried_object-&gt;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-&gt;queried_object = $post;
						$this-&gt;is_page        = false;
						$this-&gt;is_single      = true;
					}
				}
			}

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

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

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

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

			if ( get_option( 'wp_page_for_privacy_policy' ) == $qv['page_id'] ) {
				$this-&gt;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-&gt;is_posts_page &amp;&amp; ( ! isset( $qv['withcomments'] ) || ! $qv['withcomments'] ) ) {
			$this-&gt;is_comment_feed = false;
		}

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

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

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

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

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

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

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

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

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

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

				$term = $q[ $t-&gt;query_var ];

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

				if ( strpos( $term, '+' ) !== false ) {
					$terms = preg_split( '/[+]+/', $term );
					foreach ( $terms as $term ) {
						$tax_query[] = array_merge(
							$tax_query_defaults,
							array(
								'terms' =&gt; array( $term ),
							)
						);
					}
				} else {
					$tax_query[] = array_merge(
						$tax_query_defaults,
						array(
							'terms' =&gt; 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'] ) &amp;&amp; ! $this-&gt;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 &gt; 0 ) {
					$cat_in[] = $cat;
				} elseif ( $cat &lt; 0 ) {
					$cat_not_in[] = abs( $cat );
				}
			}

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

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

		if ( ! empty( $q['category__and'] ) &amp;&amp; 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'         =&gt; 'category',
				'terms'            =&gt; $q['category__in'],
				'field'            =&gt; 'term_id',
				'include_children' =&gt; 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'         =&gt; 'category',
				'terms'            =&gt; $q['category__not_in'],
				'operator'         =&gt; 'NOT IN',
				'include_children' =&gt; false,
			);
		}

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

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

		// Tag stuff.

		if ( '' !== $q['tag'] &amp;&amp; ! $this-&gt;is_singular &amp;&amp; $this-&gt;query_vars_changed ) {
			if ( strpos( $q['tag'], ',' ) !== false ) {
				$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' =&gt; 'post_tag',
				'terms'    =&gt; $q['tag_id'],
			);
		}

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

		if ( ! empty( $q['tag__and'] ) ) {
			$q['tag__and'] = array_map( 'absint', array_unique( (array) $q['tag__and'] ) );
			$tax_query[]   = array(
				'taxonomy' =&gt; 'post_tag',
				'terms'    =&gt; $q['tag__and'],
				'operator' =&gt; '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' =&gt; 'post_tag',
				'terms'    =&gt; $q['tag_slug__in'],
				'field'    =&gt; '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' =&gt; 'post_tag',
				'terms'    =&gt; $q['tag_slug__and'],
				'field'    =&gt; 'slug',
				'operator' =&gt; 'AND',
			);
		}

		$this-&gt;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 $q Query variables.
	 * @return string WHERE clause.
	 */
	protected function parse_search( &amp;$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'] ) &amp;&amp; $this-&gt;is_main_query() ) {
			$q['s'] = urldecode( $q['s'] );
		}
		// There are no line breaks in &lt;input /&gt; fields.
		$q['s']                  = str_replace( array( &quot;\r&quot;, &quot;\n&quot; ), '', $q['s'] );
		$q['search_terms_count'] = 1;
		if ( ! empty( $q['sentence'] ) ) {
			$q['search_terms'] = array( $q['s'] );
		} else {
			if ( preg_match_all( '/&quot;.*?(&quot;|$)|((?&lt;=[\t &quot;,+])|^)[^\t &quot;,+]+/', $q['s'], $matches ) ) {
				$q['search_terms_count'] = count( $matches[0] );
				$q['search_terms']       = $this-&gt;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'] ) &gt; 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 &amp;&amp; ( substr( $term, 0, 1 ) === $exclusion_prefix );
			if ( $exclude ) {
				$like_op  = 'NOT LIKE';
				$andor_op = 'AND';
				$term     = substr( $term, 1 );
			} else {
				$like_op  = 'LIKE';
				$andor_op = 'OR';
			}

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

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

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

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

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

			$searchand = ' AND ';
		}

		if ( ! empty( $search ) ) {
			$search = &quot; AND ({$search}) &quot;;
			if ( ! is_user_logged_in() ) {
				$search .= &quot; AND ({$wpdb-&gt;posts}.post_password = '') &quot;;
			}
		}

		return $search;
	}

	/**
	 * Check 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-&gt;get_search_stopwords();

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

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

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

			$checked[] = $term;
		}

		return $checked;
	}

	/**
	 * Retrieve stopwords used when parsing search terms.
	 *
	 * @since 3.7.0
	 *
	 * @return string[] Stopwords.
	 */
	protected function get_search_stopwords() {
		if ( isset( $this-&gt;stopwords ) ) {
			return $this-&gt;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 &quot;stopwords&quot;. 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, &quot;\r\n\t &quot; );
			if ( $word ) {
				$stopwords[] = $word;
			}
		}

		/**
		 * Filters stopwords used when parsing search terms.
		 *
		 * @since 3.7.0
		 *
		 * @param string[] $stopwords Array of stopwords.
		 */
		$this-&gt;stopwords = apply_filters( 'wp_search_stopwords', $stopwords );
		return $this-&gt;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 $q Query variables.
	 * @return string ORDER BY clause.
	 */
	protected function parse_search_order( &amp;$q ) {
		global $wpdb;

		if ( $q['search_terms_count'] &gt; 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-&gt;esc_like( $q['s'] ) . '%';
			}

			$search_orderby = '';

			// Sentence match in 'post_title'.
			if ( $like ) {
				$search_orderby .= $wpdb-&gt;prepare( &quot;WHEN {$wpdb-&gt;posts}.post_title LIKE %s THEN 1 &quot;, $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 &lt; 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 &gt; 1 ) {
					$search_orderby .= 'WHEN ' . implode( ' OR ', $q['search_orderby_title'] ) . ' THEN 3 ';
				}
			}

			// Sentence match in 'post_content' and 'post_excerpt'.
			if ( $like ) {
				$search_orderby .= $wpdb-&gt;prepare( &quot;WHEN {$wpdb-&gt;posts}.post_excerpt LIKE %s THEN 4 &quot;, $like );
				$search_orderby .= $wpdb-&gt;prepare( &quot;WHEN {$wpdb-&gt;posts}.post_content LIKE %s THEN 5 &quot;, $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-&gt;meta_query-&gt;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':
				$orderby_clause = &quot;{$wpdb-&gt;posts}.{$orderby}&quot;;
				break;
			case 'rand':
				$orderby_clause = 'RAND()';
				break;
			case $primary_meta_key:
			case 'meta_value':
				if ( ! empty( $primary_meta_query['type'] ) ) {
					$orderby_clause = &quot;CAST({$primary_meta_query['alias']}.meta_value AS {$primary_meta_query['cast']})&quot;;
				} else {
					$orderby_clause = &quot;{$primary_meta_query['alias']}.meta_value&quot;;
				}
				break;
			case 'meta_value_num':
				$orderby_clause = &quot;{$primary_meta_query['alias']}.meta_value+0&quot;;
				break;
			case 'post__in':
				if ( ! empty( $this-&gt;query_vars['post__in'] ) ) {
					$orderby_clause = &quot;FIELD({$wpdb-&gt;posts}.ID,&quot; . implode( ',', array_map( 'absint', $this-&gt;query_vars['post__in'] ) ) . ')';
				}
				break;
			case 'post_parent__in':
				if ( ! empty( $this-&gt;query_vars['post_parent__in'] ) ) {
					$orderby_clause = &quot;FIELD( {$wpdb-&gt;posts}.post_parent,&quot; . implode( ', ', array_map( 'absint', $this-&gt;query_vars['post_parent__in'] ) ) . ' )';
				}
				break;
			case 'post_name__in':
				if ( ! empty( $this-&gt;query_vars['post_name__in'] ) ) {
					$post_name__in        = array_map( 'sanitize_title_for_query', $this-&gt;query_vars['post_name__in'] );
					$post_name__in_string = &quot;'&quot; . implode( &quot;','&quot;, $post_name__in ) . &quot;'&quot;;
					$orderby_clause       = &quot;FIELD( {$wpdb-&gt;posts}.post_name,&quot; . $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 ];
					$orderby_clause = &quot;CAST({$meta_clause['alias']}.meta_value AS {$meta_clause['cast']})&quot;;
				} elseif ( $rand_with_seed ) {
					$orderby_clause = $orderby;
				} else {
					// Default: order by post field.
					$orderby_clause = &quot;{$wpdb-&gt;posts}.post_&quot; . 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-&gt;is_feed;

		$this-&gt;init_query_flags();
		$this-&gt;is_404 = true;

		$this-&gt;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-&gt;query_vars[ $query_var ] ) ) {
			return $this-&gt;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-&gt;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-&gt;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-&gt;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 $query The WP_Query instance (passed by reference).
		 */
		do_action_ref_array( 'pre_get_posts', array( &amp;$this ) );

		// Shorthand.
		$q = &amp;$this-&gt;query_vars;

		// Fill again in case 'pre_get_posts' unset some vars.
		$q = $this-&gt;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-&gt;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-&gt;meta_query = new WP_Meta_Query();
		$this-&gt;meta_query-&gt;parse_query_vars( $q );

		// Set a flag if a 'pre_get_posts' hook changed the query vars.
		$hash = md5( serialize( $this-&gt;query_vars ) );
		if ( $hash != $this-&gt;query_vars_hash ) {
			$this-&gt;query_vars_changed = true;
			$this-&gt;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.' ),
					'&lt;code&gt;caller_get_posts&lt;/code&gt;',
					'&lt;code&gt;ignore_sticky_posts&lt;/code&gt;'
				)
			);

			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-&gt;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'] ) &amp;&amp; $q['showposts'] ) {
			$q['showposts']      = (int) $q['showposts'];
			$q['posts_per_page'] = $q['showposts'];
		}
		if ( ( isset( $q['posts_per_archive_page'] ) &amp;&amp; 0 != $q['posts_per_archive_page'] ) &amp;&amp; ( $this-&gt;is_archive || $this-&gt;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-&gt;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'] &lt; -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-&gt;is_home &amp;&amp; ( empty( $this-&gt;query ) || 'true' === $q['preview'] ) &amp;&amp; ( 'page' === get_option( 'show_on_front' ) ) &amp;&amp; get_option( 'page_on_front' ) ) {
			$this-&gt;is_page = true;
			$this-&gt;is_home = false;
			$q['page_id']  = get_option( 'page_on_front' );
		}

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

		// 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':
				$fields = &quot;{$wpdb-&gt;posts}.ID&quot;;
				break;
			case 'id=&gt;parent':
				$fields = &quot;{$wpdb-&gt;posts}.ID, {$wpdb-&gt;posts}.post_parent&quot;;
				break;
			default:
				$fields = &quot;{$wpdb-&gt;posts}.*&quot;;
		}

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

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

		// If we've got a post_type AND it's not &quot;any&quot; post_type.
		if ( ! empty( $q['post_type'] ) &amp;&amp; '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-&gt;query_var || empty( $q[ $ptype_obj-&gt;query_var ] ) ) {
					continue;
				}

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

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

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

		// Parameters related to 'post_name'.
		if ( '' !== $q['name'] ) {
			$q['name'] = sanitize_title_for_query( $q['name'] );
			$where    .= &quot; AND {$wpdb-&gt;posts}.post_name = '&quot; . $q['name'] . &quot;'&quot;;
		} elseif ( '' !== $q['pagename'] ) {
			if ( isset( $this-&gt;queried_object_id ) ) {
				$reqpage = $this-&gt;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-&gt;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-&gt;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'];
				$where        .= &quot; AND ({$wpdb-&gt;posts}.ID = '$reqpage')&quot;;
				$reqpage_obj   = get_post( $reqpage );
				if ( is_object( $reqpage_obj ) &amp;&amp; 'attachment' === $reqpage_obj-&gt;post_type ) {
					$this-&gt;is_attachment = true;
					$post_type           = 'attachment';
					$q['post_type']      = 'attachment';
					$this-&gt;is_page       = true;
					$q['attachment_id']  = $reqpage;
				}
			}
		} elseif ( '' !== $q['attachment'] ) {
			$q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) );
			$q['name']       = $q['attachment'];
			$where          .= &quot; AND {$wpdb-&gt;posts}.post_name = '&quot; . $q['attachment'] . &quot;'&quot;;
		} elseif ( is_array( $q['post_name__in'] ) &amp;&amp; ! empty( $q['post_name__in'] ) ) {
			$q['post_name__in'] = array_map( 'sanitize_title_for_query', $q['post_name__in'] );
			$post_name__in      = &quot;'&quot; . implode( &quot;','&quot;, $q['post_name__in'] ) . &quot;'&quot;;
			$where             .= &quot; AND {$wpdb-&gt;posts}.post_name IN ($post_name__in)&quot;;
		}

		// 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'] ) {
			$where .= &quot; AND {$wpdb-&gt;posts}.ID = &quot; . $q['p'];
		} elseif ( $q['post__in'] ) {
			$post__in = implode( ',', array_map( 'absint', $q['post__in'] ) );
			$where   .= &quot; AND {$wpdb-&gt;posts}.ID IN ($post__in)&quot;;
		} elseif ( $q['post__not_in'] ) {
			$post__not_in = implode( ',', array_map( 'absint', $q['post__not_in'] ) );
			$where       .= &quot; AND {$wpdb-&gt;posts}.ID NOT IN ($post__not_in)&quot;;
		}

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

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

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

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

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

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

		if ( $this-&gt;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-&gt;tax_query-&gt;queried_terms );
				foreach ( get_post_types( array( 'exclude_from_search' =&gt; 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];
				}

				$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-&gt;tax_query-&gt;queried_terms ) ) {

			/*
			 * Set 'taxonomy', 'term', and 'term_id' to the
			 * first taxonomy other than 'post_tag' or 'category'.
			 */
			if ( ! isset( $q['taxonomy'] ) ) {
				foreach ( $this-&gt;tax_query-&gt;queried_terms as $queried_taxonomy =&gt; $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-&gt;tax_query-&gt;queried_terms as $queried_taxonomy =&gt; $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-&gt;set( 'cat', $the_cat-&gt;term_id );
						$this-&gt;set( 'category_name', $the_cat-&gt;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-&gt;set( 'tag_id', $the_tag-&gt;term_id );
					}
					unset( $the_tag );
				}
			}
		}

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

		// Author/user stuff.

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

		// Author stuff for nice URLs.

		if ( '' !== $q['author_name'] ) {
			if ( strpos( $q['author_name'], '/' ) !== false ) {
				$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']-&gt;ID;
			}
			$whichauthor .= &quot; AND ({$wpdb-&gt;posts}.post_author = &quot; . 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' =&gt; (int) $q['comment_count'],
				);
			}

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

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

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

		// MIME-Type stuff for attachment browsing.

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

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

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

		$rand = ( isset( $q['orderby'] ) &amp;&amp; 'rand' === $q['orderby'] );
		if ( ! isset( $q['order'] ) ) {
			$q['order'] = $rand ? '' : 'DESC';
		} else {
			$q['order'] = $rand ? '' : $this-&gt;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'] ) &amp;&amp; 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'] ) &amp;&amp; ( is_array( $q['orderby'] ) || false === $q['orderby'] ) ) {
				$orderby = '';
			} else {
				$orderby = &quot;{$wpdb-&gt;posts}.post_date &quot; . $q['order'];
			}
		} elseif ( 'none' === $q['orderby'] ) {
			$orderby = '';
		} else {
			$orderby_array = array();
			if ( is_array( $q['orderby'] ) ) {
				foreach ( $q['orderby'] as $_orderby =&gt; $order ) {
					$orderby = addslashes_gpc( urldecode( $_orderby ) );
					$parsed  = $this-&gt;parse_orderby( $orderby );

					if ( ! $parsed ) {
						continue;
					}

					$orderby_array[] = $parsed . ' ' . $this-&gt;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 =&gt; $orderby ) {
					$parsed = $this-&gt;parse_orderby( $orderby );
					// Only allow certain values for safety.
					if ( ! $parsed ) {
						continue;
					}

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

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

		// Order search results by relevance only when another &quot;orderby&quot; is not specified in the query.
		if ( ! empty( $q['s'] ) ) {
			$search_orderby = '';
			if ( ! empty( $q['search_orderby_title'] ) &amp;&amp; ( empty( $q['orderby'] ) &amp;&amp; ! $this-&gt;is_feed ) || ( isset( $q['orderby'] ) &amp;&amp; 'relevance' === $q['orderby'] ) ) {
				$search_orderby = $this-&gt;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 ) &amp;&amp; count( $post_type ) &gt; 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 .= $wpdb-&gt;prepare( &quot; AND {$wpdb-&gt;posts}.post_password = %s&quot;, $q['post_password'] );
			if ( empty( $q['perm'] ) ) {
				$q['perm'] = 'readable';
			}
		} elseif ( isset( $q['has_password'] ) ) {
			$where .= sprintf( &quot; AND {$wpdb-&gt;posts}.post_password %s ''&quot;, $q['has_password'] ? '!=' : '=' );
		}

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

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

		$skip_post_status = false;
		if ( 'any' === $post_type ) {
			$in_search_post_types = get_post_types( array( 'exclude_from_search' =&gt; false ) );
			if ( empty( $in_search_post_types ) ) {
				$post_type_where  = ' AND 1=0 ';
				$skip_post_status = true;
			} else {
				$post_type_where = &quot; AND {$wpdb-&gt;posts}.post_type IN ('&quot; . implode( &quot;', '&quot;, array_map( 'esc_sql', $in_search_post_types ) ) . &quot;')&quot;;
			}
		} elseif ( ! empty( $post_type ) &amp;&amp; is_array( $post_type ) ) {
			$post_type_where = &quot; AND {$wpdb-&gt;posts}.post_type IN ('&quot; . implode( &quot;', '&quot;, esc_sql( $post_type ) ) . &quot;')&quot;;
		} elseif ( ! empty( $post_type ) ) {
			$post_type_where  = $wpdb-&gt;prepare( &quot; AND {$wpdb-&gt;posts}.post_type = %s&quot;, $post_type );
			$post_type_object = get_post_type_object( $post_type );
		} elseif ( $this-&gt;is_attachment ) {
			$post_type_where  = &quot; AND {$wpdb-&gt;posts}.post_type = 'attachment'&quot;;
			$post_type_object = get_post_type_object( 'attachment' );
		} elseif ( $this-&gt;is_page ) {
			$post_type_where  = &quot; AND {$wpdb-&gt;posts}.post_type = 'page'&quot;;
			$post_type_object = get_post_type_object( 'page' );
		} else {
			$post_type_where  = &quot; AND {$wpdb-&gt;posts}.post_type = 'post'&quot;;
			$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-&gt;cap-&gt;edit_others_posts;
			$read_private_cap = $post_type_object-&gt;cap-&gt;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' =&gt; true ) ) as $status ) {
					if ( ! in_array( $status, $q_status, true ) ) {
						$e_status[] = &quot;{$wpdb-&gt;posts}.post_status &lt;&gt; '$status'&quot;;
					}
				}
			} else {
				foreach ( get_post_stati() as $status ) {
					if ( in_array( $status, $q_status, true ) ) {
						if ( 'private' === $status ) {
							$p_status[] = &quot;{$wpdb-&gt;posts}.post_status = '$status'&quot;;
						} else {
							$r_status[] = &quot;{$wpdb-&gt;posts}.post_status = '$status'&quot;;
						}
					}
				}
			}

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

				$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 = '(' . $wpdb-&gt;prepare( &quot;{$wpdb-&gt;posts}.post_type = %s AND (&quot;, $queried_post_type );

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

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

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

					$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( $where, &amp;$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( $join, &amp;$this ) );
		}

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

			// If 'offset' is provided, it takes precedence over 'paged'.
			if ( isset( $q['offset'] ) &amp;&amp; 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-&gt;is_comment_feed &amp;&amp; ! $this-&gt;is_singular ) {
			if ( $this-&gt;is_archive || $this-&gt;is_search ) {
				$cjoin    = &quot;JOIN {$wpdb-&gt;posts} ON ( {$wpdb-&gt;comments}.comment_post_ID = {$wpdb-&gt;posts}.ID ) $join &quot;;
				$cwhere   = &quot;WHERE comment_approved = '1' $where&quot;;
				$cgroupby = &quot;{$wpdb-&gt;comments}.comment_id&quot;;
			} else { // Other non-singular, e.g. front.
				$cjoin    = &quot;JOIN {$wpdb-&gt;posts} ON ( {$wpdb-&gt;comments}.comment_post_ID = {$wpdb-&gt;posts}.ID )&quot;;
				$cwhere   = &quot;WHERE ( post_status = 'publish' OR ( post_status = 'inherit' AND post_type = 'attachment' ) ) AND comment_approved = '1'&quot;;
				$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( $cjoin, &amp;$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( $cwhere, &amp;$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( $cgroupby, &amp;$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).
				 */
				$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &amp;$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).
				 */
				$climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option( 'posts_per_rss' ), &amp;$this ) );
			}

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

			$comments_request = &quot;SELECT $distinct {$wpdb-&gt;comments}.comment_ID FROM {$wpdb-&gt;comments} $cjoin $cwhere $cgroupby $corderby $climits&quot;;

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

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

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

			$post_ids = array();

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

			$post_ids = implode( ',', $post_ids );
			$join     = '';
			if ( $post_ids ) {
				$where = &quot;AND {$wpdb-&gt;posts}.ID IN ($post_ids) &quot;;
			} 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( $where, &amp;$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( $groupby, &amp;$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( $join, &amp;$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( $orderby, &amp;$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( $distinct, &amp;$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( $limits, &amp;$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( $fields, &amp;$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( $pieces ), &amp;$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( $where, &amp;$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( $groupby, &amp;$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( $join, &amp;$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( $orderby, &amp;$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( $distinct, &amp;$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( $fields, &amp;$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( $limits, &amp;$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( $pieces ), &amp;$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'] &amp;&amp; ! empty( $limits ) ) {
			$found_rows = 'SQL_CALC_FOUND_ROWS';
		}

		$old_request = &quot;
			SELECT $found_rows $distinct $fields
			FROM {$wpdb-&gt;posts} $join
			WHERE 1=1 $where
			$groupby
			$orderby
			$limits
		&quot;;

		$this-&gt;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-&gt;request = apply_filters_ref_array( 'posts_request', array( $this-&gt;request, &amp;$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).
		 */
		$this-&gt;posts = apply_filters_ref_array( 'posts_pre_query', array( null, &amp;$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(' );

		$cacheable_field_values = array(
			&quot;{$wpdb-&gt;posts}.*&quot;,
			&quot;{$wpdb-&gt;posts}.ID, {$wpdb-&gt;posts}.post_parent&quot;,
			&quot;{$wpdb-&gt;posts}.ID&quot;,
		);

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

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

			$cache_found = false;
			if ( null === $this-&gt;posts ) {
				$cached_results = wp_cache_get( $cache_key, 'posts', false, $cache_found );

				if ( $cached_results ) {
					if ( 'ids' === $q['fields'] ) {
						/** @var int[] */
						$this-&gt;posts = array_map( 'intval', $cached_results['posts'] );
					} else {
						_prime_post_caches( $cached_results['posts'], $q['update_post_term_cache'], $q['update_post_meta_cache'] );
						/** @var WP_Post[] */
						$this-&gt;posts = array_map( 'get_post', $cached_results['posts'] );
					}

					$this-&gt;post_count    = count( $this-&gt;posts );
					$this-&gt;found_posts   = $cached_results['found_posts'];
					$this-&gt;max_num_pages = $cached_results['max_num_pages'];

					if ( 'ids' === $q['fields'] ) {
						return $this-&gt;posts;
					} elseif ( 'id=&gt;parent' === $q['fields'] ) {
						/** @var int[] */
						$post_parents = array();

						foreach ( $this-&gt;posts as $key =&gt; $post ) {
							$obj              = new stdClass();
							$obj-&gt;ID          = (int) $post-&gt;ID;
							$obj-&gt;post_parent = (int) $post-&gt;post_parent;

							$this-&gt;posts[ $key ] = $obj;

							$post_parents[ $obj-&gt;ID ] = $obj-&gt;post_parent;
						}

						return $post_parents;
					}
				}
			}
		}

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

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

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

				wp_cache_set( $cache_key, $cache_value, 'posts' );
			}

			return $this-&gt;posts;
		}

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

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

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

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

				$post_parents[ (int) $post-&gt;ID ] = (int) $post-&gt;post_parent;
				$post_ids[]                      = (int) $post-&gt;ID;
			}

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

				wp_cache_set( $cache_key, $cache_value, 'posts' );
			}

			return $post_parents;
		}

		if ( null === $this-&gt;posts ) {
			$split_the_query = ( $old_request == $this-&gt;request &amp;&amp; &quot;{$wpdb-&gt;posts}.*&quot; === $fields &amp;&amp; ! empty( $limits ) &amp;&amp; $q['posts_per_page'] &lt; 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
			 *
			 * @param bool     $split_the_query Whether or not to split the query.
			 * @param WP_Query $query           The WP_Query instance.
			 */
			$split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );

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

				$this-&gt;request = &quot;
					SELECT $found_rows $distinct {$wpdb-&gt;posts}.ID
					FROM {$wpdb-&gt;posts} $join
					WHERE 1=1 $where
					$groupby
					$orderby
					$limits
				&quot;;

				/**
				 * 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-&gt;request = apply_filters( 'posts_request_ids', $this-&gt;request, $this );

				$post_ids = $wpdb-&gt;get_col( $this-&gt;request );

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

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

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

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

			wp_cache_set( $cache_key, $cache_value, 'posts' );
		}

		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-&gt;posts = apply_filters_ref_array( 'posts_results', array( $this-&gt;posts, &amp;$this ) );
		}

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

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

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

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

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

			$comments_request = &quot;SELECT {$wpdb-&gt;comments}.comment_ID FROM {$wpdb-&gt;comments} $cjoin $cwhere $cgroupby $corderby $climits&quot;;

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

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

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

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

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

			if ( $this-&gt;is_preview &amp;&amp; $this-&gt;posts &amp;&amp; current_user_can( $edit_cap, $this-&gt;posts[0]-&gt;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-&gt;posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this-&gt;posts[0], &amp;$this ) ) );
			}
		}

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

			// If any posts have been excluded specifically, Ignore those that are sticky.
			if ( ! empty( $sticky_posts ) &amp;&amp; ! 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'               =&gt; $sticky_posts,
						'post_type'              =&gt; $post_type,
						'post_status'            =&gt; 'publish',
						'posts_per_page'         =&gt; count( $sticky_posts ),
						'suppress_filters'       =&gt; $q['suppress_filters'],
						'cache_results'          =&gt; $q['cache_results'],
						'update_post_meta_cache' =&gt; $q['update_post_meta_cache'],
						'update_post_term_cache' =&gt; $q['update_post_term_cache'],
						'lazy_load_term_meta'    =&gt; $q['lazy_load_term_meta'],
					)
				);

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

		// If comments have been fetched as part of the query, make sure comment meta lazy-loading is set up.
		if ( ! empty( $this-&gt;comments ) ) {
			wp_queue_comments_for_comment_meta_lazyload( $this-&gt;comments );
		}

		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-&gt;posts = apply_filters_ref_array( 'the_posts', array( $this-&gt;posts, &amp;$this ) );
		}

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

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

			if ( $q['cache_results'] ) {
				update_post_caches( $this-&gt;posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
			}

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

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

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

		return $this-&gt;posts;
	}

	/**
	 * Set 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-&gt;posts ) &amp;&amp; ! $this-&gt;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).
			 */
			$found_posts_query = apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &amp;$this ) );

			$this-&gt;found_posts = (int) $wpdb-&gt;get_var( $found_posts_query );
		} else {
			if ( is_array( $this-&gt;posts ) ) {
				$this-&gt;found_posts = count( $this-&gt;posts );
			} else {
				if ( null === $this-&gt;posts ) {
					$this-&gt;found_posts = 0;
				} else {
					$this-&gt;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-&gt;found_posts = (int) apply_filters_ref_array( 'found_posts', array( $this-&gt;found_posts, &amp;$this ) );

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

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

		$this-&gt;current_post++;

		/** @var WP_Post */
		$this-&gt;post = $this-&gt;posts[ $this-&gt;current_post ];
		return $this-&gt;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-&gt;in_the_loop ) {
			// Only prime the post cache for queries limited to the ID field.
			$post_ids = array_filter( $this-&gt;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-&gt;query_vars['update_post_term_cache'], $this-&gt;query_vars['update_post_meta_cache'] );
			}
			$post_objects = array_map( 'get_post', $this-&gt;posts );
			update_post_author_caches( $post_objects );
		}

		$this-&gt;in_the_loop = true;

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

		$post = $this-&gt;next_post();
		$this-&gt;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-&gt;current_post + 1 &lt; $this-&gt;post_count ) {
			return true;
		} elseif ( $this-&gt;current_post + 1 == $this-&gt;post_count &amp;&amp; $this-&gt;post_count &gt; 0 ) {
			/**
			 * Fires once the loop has ended.
			 *
			 * @since 2.0.0
			 *
			 * @param WP_Query $query The WP_Query instance (passed by reference).
			 */
			do_action_ref_array( 'loop_end', array( &amp;$this ) );
			// Do some cleaning up after the loop.
			$this-&gt;rewind_posts();
		} elseif ( 0 === $this-&gt;post_count ) {
			/**
			 * 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-&gt;in_the_loop = false;
		return false;
	}

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

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

		/** @var WP_Comment */
		$this-&gt;comment = $this-&gt;comments[ $this-&gt;current_comment ];
		return $this-&gt;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-&gt;next_comment();

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

	/**
	 * 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-&gt;current_comment + 1 &lt; $this-&gt;comment_count ) {
			return true;
		} elseif ( $this-&gt;current_comment + 1 == $this-&gt;comment_count ) {
			$this-&gt;rewind_comments();
		}

		return false;
	}

	/**
	 * Rewind the comments, resets the comment index and comment to first.
	 *
	 * @since 2.2.0
	 */
	public function rewind_comments() {
		$this-&gt;current_comment = -1;
		if ( $this-&gt;comment_count &gt; 0 ) {
			$this-&gt;comment = $this-&gt;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-&gt;init();
		$this-&gt;query      = wp_parse_args( $query );
		$this-&gt;query_vars = $this-&gt;query;
		return $this-&gt;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-&gt;queried_object ) ) {
			return $this-&gt;queried_object;
		}

		$this-&gt;queried_object    = null;
		$this-&gt;queried_object_id = null;

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

				if ( $cat ) {
					$term = get_term( $cat, 'category' );
				} elseif ( $category_name ) {
					$term = get_term_by( 'slug', $category_name, 'category' );
				}
			} elseif ( $this-&gt;is_tag ) {
				$tag_id = $this-&gt;get( 'tag_id' );
				$tag    = $this-&gt;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-&gt;tax_query-&gt;queried_terms ) ) {
					$queried_taxonomies = array_keys( $this-&gt;tax_query-&gt;queried_terms );
					$matched_taxonomy   = reset( $queried_taxonomies );
					$query              = $this-&gt;tax_query-&gt;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 ) &amp;&amp; ! is_wp_error( $term ) ) {
				$this-&gt;queried_object    = $term;
				$this-&gt;queried_object_id = (int) $term-&gt;term_id;

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

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

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

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

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

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

			$this-&gt;queried_object = get_userdata( $this-&gt;queried_object_id );
		}

		return $this-&gt;queried_object;
	}

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

		if ( isset( $this-&gt;queried_object_id ) ) {
			return $this-&gt;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-&gt;query( $query );
		}
	}

	/**
	 * Make 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-&gt;compat_fields, true ) ) {
			return $this-&gt;$name;
		}
	}

	/**
	 * Make 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-&gt;compat_fields, true ) ) {
			return isset( $this-&gt;$name );
		}
	}

	/**
	 * Make 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-&gt;compat_methods, true ) ) {
			return $this-&gt;$name( ...$arguments );
		}
		return false;
	}

	/**
	 * Is the query 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-&gt;is_archive;
	}

	/**
	 * Is the query 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-&gt;is_post_type_archive ) {
			return (bool) $this-&gt;is_post_type_archive;
		}

		$post_type = $this-&gt;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-&gt;name, (array) $post_types, true );
	}

	/**
	 * Is the query 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-&gt;is_attachment ) {
			return false;
		}

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

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

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

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

	/**
	 * Is the query 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-&gt;is_author ) {
			return false;
		}

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

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

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

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

		return false;
	}

	/**
	 * Is the query 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-&gt;is_category ) {
			return false;
		}

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

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

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

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

		return false;
	}

	/**
	 * Is the query 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-&gt;is_tag ) {
			return false;
		}

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

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

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

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

		return false;
	}

	/**
	 * Is the query 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-&gt;is_tax ) {
			return false;
		}

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

		$queried_object = $this-&gt;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-&gt;taxonomy ) &amp;&amp; count( $tax_array ) &amp;&amp; in_array( $queried_object-&gt;taxonomy, $tax_array, true ) ) ) {
			return false;
		}

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

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

	/**
	 * 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;
	}

	/**
	 * Is the query 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-&gt;is_date;
	}

	/**
	 * Is the query 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-&gt;is_day;
	}

	/**
	 * Is the query 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-&gt;is_feed ) {
			return (bool) $this-&gt;is_feed;
		}

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

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

	/**
	 * Is the query 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-&gt;is_comment_feed;
	}

	/**
	 * Is the query for the front page of the site?
	 *
	 * This is for what is displayed at your site's main URL.
	 *
	 * Depends on the site's &quot;Front page displays&quot; 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' ) &amp;&amp; $this-&gt;is_home() ) {
			return true;
		} elseif ( 'page' === get_option( 'show_on_front' ) &amp;&amp; get_option( 'page_on_front' )
			&amp;&amp; $this-&gt;is_page( get_option( 'page_on_front' ) )
		) {
			return true;
		} else {
			return false;
		}
	}

	/**
	 * Is the query for the blog homepage?
	 *
	 * This is the page which shows the time based blog content of your site.
	 *
	 * Depends on the site's &quot;Front page displays&quot; 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 &quot;Posts page&quot;.
	 *
	 * @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-&gt;is_home;
	}

	/**
	 * Is the query for the Privacy Policy page?
	 *
	 * This is the page which shows the Privacy Policy content of your site.
	 *
	 * Depends on the site's &quot;Change your Privacy Policy page&quot; Privacy Settings 'wp_page_for_privacy_policy'.
	 *
	 * This function will return true only on the page you set as the &quot;Privacy Policy page&quot;.
	 *
	 * @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' )
			&amp;&amp; $this-&gt;is_page( get_option( 'wp_page_for_privacy_policy' ) )
		) {
			return true;
		} else {
			return false;
		}
	}

	/**
	 * Is the query 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-&gt;is_month;
	}

	/**
	 * Is the query 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-&gt;is_page ) {
			return false;
		}

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

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

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

		if ( in_array( (string) $page_obj-&gt;ID, $page, true ) ) {
			return true;
		} elseif ( in_array( $page_obj-&gt;post_title, $page, true ) ) {
			return true;
		} elseif ( in_array( $page_obj-&gt;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 &amp;&amp; ( $pagepath_obj-&gt;ID == $page_obj-&gt;ID ) ) {
					return true;
				}
			}
		}

		return false;
	}

	/**
	 * Is the query 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-&gt;is_paged;
	}

	/**
	 * Is the query 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-&gt;is_preview;
	}

	/**
	 * Is the query 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-&gt;is_robots;
	}

	/**
	 * Is the query 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-&gt;is_favicon;
	}

	/**
	 * Is the query for a search?
	 *
	 * @since 3.1.0
	 *
	 * @return bool Whether the query is for a search.
	 */
	public function is_search() {
		return (bool) $this-&gt;is_search;
	}

	/**
	 * Is the query 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-&gt;is_single ) {
			return false;
		}

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

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

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

		if ( in_array( (string) $post_obj-&gt;ID, $post, true ) ) {
			return true;
		} elseif ( in_array( $post_obj-&gt;post_title, $post, true ) ) {
			return true;
		} elseif ( in_array( $post_obj-&gt;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-&gt;post_type );

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

	/**
	 * Is the query 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-&gt;is_singular ) {
			return (bool) $this-&gt;is_singular;
		}

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

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

	/**
	 * Is the query 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-&gt;is_time;
	}

	/**
	 * Is the query 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-&gt;is_trackback;
	}

	/**
	 * Is the query 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-&gt;is_year;
	}

	/**
	 * Is the query 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-&gt;is_404;
	}

	/**
	 * Is the query 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-&gt;is_embed;
	}

	/**
	 * Is the query the main query?
	 *
	 * @since 3.3.0
	 *
	 * @global WP_Query $wp_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;
	}

	/**
	 * Set 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-&gt;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 $query The current Query object (passed by reference).
		 */
		do_action_ref_array( 'the_post', array( &amp;$post, &amp;$this ) );

		return true;
	}

	/**
	 * Generate 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-&gt;ID;

		$authordata = get_userdata( $post-&gt;post_author );

		$currentday   = mysql2date( 'd.m.y', $post-&gt;post_date, false );
		$currentmonth = mysql2date( 'm', $post-&gt;post_date, false );
		$numpages     = 1;
		$multipage    = 0;
		$page         = $this-&gt;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-&gt;ID &amp;&amp; ( $this-&gt;is_page() || $this-&gt;is_single() ) ) {
			$more = 1;
		} elseif ( $this-&gt;is_feed() ) {
			$more = 1;
		} else {
			$more = 0;
		}

		$content = $post-&gt;post_content;
		if ( false !== strpos( $content, '&lt;!--nextpage--&gt;' ) ) {
			$content = str_replace( &quot;\n&lt;!--nextpage--&gt;\n&quot;, '&lt;!--nextpage--&gt;', $content );
			$content = str_replace( &quot;\n&lt;!--nextpage--&gt;&quot;, '&lt;!--nextpage--&gt;', $content );
			$content = str_replace( &quot;&lt;!--nextpage--&gt;\n&quot;, '&lt;!--nextpage--&gt;', $content );

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

			// Ignore nextpage at the beginning of the content.
			if ( 0 === strpos( $content, '&lt;!--nextpage--&gt;' ) ) {
				$content = substr( $content, 15 );
			}

			$pages = explode( '&lt;!--nextpage--&gt;', $content );
		} else {
			$pages = array( $post-&gt;post_content );
		}

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

		$numpages = count( $pages );

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

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

		return $elements;
	}

	/**
	 * Generate 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']
		);

		$placeholder = $wpdb-&gt;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.
			 *
			 * $value is passed by reference to allow it to be modified.
			 * array_walk_recursive() does not return an array.
			 */
			function ( &amp;$value ) use ( $wpdb, $placeholder ) {
				if ( is_string( $value ) &amp;&amp; str_contains( $value, $placeholder ) ) {
					$value = $wpdb-&gt;remove_placeholder_escape( $value );
				}
			}
		);

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

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

		return &quot;wp_query:$key:$last_changed&quot;;
	}

	/**
	 * 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-&gt;post ) ) {
			$GLOBALS['post'] = $this-&gt;post;
			$this-&gt;setup_postdata( $this-&gt;post );
		}
	}

	/**
	 * Lazyload 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;
	}

	/**
	 * Lazyload comment meta for comments in the loop.
	 *
	 * @since 4.4.0
	 * @deprecated 4.5.0 See wp_queue_comments_for_comment_meta_lazyload().
	 *
	 * @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;
	}
}
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