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<?php /** * WordPress Query API * * The query API attempts to get which part of WordPress the user is on. It * also provides functionality for getting URL query information. * * @link https://codex.wordpress.org/The_Loop More information on The Loop. * * @package WordPress * @subpackage Query */
/** * Retrieve variable in the WP_Query class. * * @see WP_Query::get() * @since 1.5.0 * @uses $wp_query * * @param string $var The variable key to retrieve. * @param mixed $default Value to return if the query variable is not set. Default ''. * @return mixed */ function get_query_var( $var, $default = '' ) { global $wp_query;
return $wp_query->get( $var, $default ); }
/** * Retrieve the currently-queried object. Wrapper for $wp_query->get_queried_object() * * @uses WP_Query::get_queried_object * * @since 3.1.0 * @access public * * @return object */ function get_queried_object() { global $wp_query; return $wp_query->get_queried_object(); }
/** * Retrieve ID of the current queried object. Wrapper for $wp_query->get_queried_object_id() * * @uses WP_Query::get_queried_object_id() * * @since 3.1.0 * @access public * * @return int */ function get_queried_object_id() { global $wp_query; return $wp_query->get_queried_object_id(); }
/** * Set query variable. * * @see WP_Query::set() * @since 2.2.0 * @uses $wp_query * * @param string $var Query variable key. * @param mixed $value * @return null */ function set_query_var($var, $value) { global $wp_query;
return $wp_query->set($var, $value); }
/** * Set up The Loop with query parameters. * * This will override the current WordPress Loop and shouldn't be used more than * once. This must not be used within the WordPress Loop. * * @since 1.5.0 * @uses $wp_query * * @param string $query * @return array List of posts */ function query_posts($query) { $GLOBALS['wp_query'] = new WP_Query(); return $GLOBALS['wp_query']->query($query); }
/** * Destroy the previous query and set up a new query. * * This should be used after {@link query_posts()} and before another {@link * query_posts()}. This will remove obscure bugs that occur when the previous * wp_query object is not destroyed properly before another is set up. * * @since 2.3.0 * @uses $wp_query */ function wp_reset_query() { $GLOBALS['wp_query'] = $GLOBALS['wp_the_query']; wp_reset_postdata(); }
/** * After looping through a separate query, this function restores * the $post global to the current post in the main query. * * @since 3.0.0 * @uses $wp_query */ function wp_reset_postdata() { global $wp_query;
if ( isset( $wp_query ) ) { $wp_query->reset_postdata(); } }
/* * Query type checks. */
/** * Is the query for an existing archive page? * * Month, Year, Category, Author, Post Type archive... * * @see WP_Query::is_archive() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_archive() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_archive(); }
/** * Is the query for an existing post type archive page? * * @see WP_Query::is_post_type_archive() * @since 3.1.0 * @uses $wp_query * * @param mixed $post_types Optional. Post type or array of posts types to check against. * @return bool */ function is_post_type_archive( $post_types = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_post_type_archive( $post_types ); }
/** * Is the query for an existing attachment page? * * @see WP_Query::is_attachment() * @since 2.0.0 * @uses $wp_query * * @param int|string|array|object $attachment Attachment ID, title, slug, or array of such. * @return bool */ function is_attachment( $attachment = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_attachment( $attachment ); }
/** * 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. * * @see WP_Query::is_author() * @since 1.5.0 * @uses $wp_query * * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames * @return bool */ function is_author( $author = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_author( $author ); }
/** * 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. * * @see WP_Query::is_category() * @since 1.5.0 * @uses $wp_query * * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs. * @return bool */ function is_category( $category = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_category( $category ); }
/** * 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. * * @see WP_Query::is_tag() * @since 2.3.0 * @uses $wp_query * * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs. * @return bool */ function is_tag( $tag = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_tag( $tag ); }
/** * Is the query for an existing 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. * * @see WP_Query::is_tax() * @since 2.5.0 * @uses $wp_query * * @param string|array $taxonomy Optional. Taxonomy slug or slugs. * @param int|string|array $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs. * @return bool */ function is_tax( $taxonomy = '', $term = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_tax( $taxonomy, $term ); }
/** * Whether the current URL is within the comments popup window. * * @see WP_Query::is_comments_popup() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_comments_popup() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_comments_popup(); }
/** * Is the query for an existing date archive? * * @see WP_Query::is_date() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_date() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_date(); }
/** * Is the query for an existing day archive? * * @see WP_Query::is_day() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_day() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_day(); }
/** * Is the query for a feed? * * @see WP_Query::is_feed() * @since 1.5.0 * @uses $wp_query * * @param string|array $feeds Optional feed types to check. * @return bool */ function is_feed( $feeds = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_feed( $feeds ); }
/** * Is the query for a comments feed? * * @see WP_Query::is_comments_feed() * @since 3.0.0 * @uses $wp_query * * @return bool */ function is_comment_feed() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->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 "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'. * * If you set a static page for the front page of your site, this function will return * true when viewing that page. * * Otherwise the same as @see is_home() * * @see WP_Query::is_front_page() * @since 2.5.0 * * @return bool True, if front of site. */ function is_front_page() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_front_page(); }
/** * 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 "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'. * * If you set a static page for the front page of your site, this function will return * true only on the page you set as the "Posts page". * * @see is_front_page() * * @see WP_Query::is_home() * @since 1.5.0 * @uses $wp_query * * @return bool True if blog view homepage. */ function is_home() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_home(); }
/** * Is the query for an existing month archive? * * @see WP_Query::is_month() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_month() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->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. * * @see is_single() * @see is_singular() * * @see WP_Query::is_page() * @since 1.5.0 * @uses $wp_query * * @param mixed $page Page ID, title, slug, or array of such. * @return bool */ function is_page( $page = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_page( $page ); }
/** * Is the query for paged result and not for the first page? * * @see WP_Query::is_paged() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_paged() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_paged(); }
/** * Is the query for a post or page preview? * * @see WP_Query::is_preview() * @since 2.0.0 * @uses $wp_query * * @return bool */ function is_preview() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_preview(); }
/** * Is the query for the robots file? * * @see WP_Query::is_robots() * @since 2.1.0 * @uses $wp_query * * @return bool */ function is_robots() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_robots(); }
/** * Is the query for a search? * * @see WP_Query::is_search() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_search() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_search(); }
/** * Is the query for an existing single post? * * Works for any post type, except attachments and pages * * If the $post parameter is specified, this function will additionally * check if the query is for one of the Posts specified. * * @see is_page() * @see is_singular() * * @see WP_Query::is_single() * @since 1.5.0 * @uses $wp_query * * @param mixed $post Post ID, title, slug, or array of such. * @return bool */ function is_single( $post = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_single( $post ); }
/** * Is the query for an existing single post of any post type (post, attachment, page, ... )? * * If the $post_types parameter is specified, this function will additionally * check if the query is for one of the Posts Types specified. * * @see is_page() * @see is_single() * * @see WP_Query::is_singular() * @since 1.5.0 * @uses $wp_query * * @param mixed $post_types Optional. Post Type or array of Post Types * @return bool */ function is_singular( $post_types = '' ) { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_singular( $post_types ); }
/** * Is the query for a specific time? * * @see WP_Query::is_time() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_time() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_time(); }
/** * Is the query for a trackback endpoint call? * * @see WP_Query::is_trackback() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_trackback() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_trackback(); }
/** * Is the query for an existing year archive? * * @see WP_Query::is_year() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_year() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_year(); }
/** * Is the query a 404 (returns no results)? * * @see WP_Query::is_404() * @since 1.5.0 * @uses $wp_query * * @return bool */ function is_404() { global $wp_query;
if ( ! isset( $wp_query ) ) { _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; }
return $wp_query->is_404(); }
/** * Is the query the main query? * * @since 3.3.0 * * @return bool */ function is_main_query() { if ( 'pre_get_posts' === current_filter() ) { $message = sprintf( __( 'In <code>%1$s</code>, use the <code>%2$s</code> method, not the <code>%3$s</code> function. See %4$s.' ), 'pre_get_posts', 'WP_Query::is_main_query()', 'is_main_query()', __( 'https://codex.wordpress.org/Function_Reference/is_main_query' ) ); _doing_it_wrong( __FUNCTION__, $message, '3.7' ); }
global $wp_query; return $wp_query->is_main_query(); }
/* * The Loop. Post loop control. */
/** * Whether current WordPress query has results to loop over. * * @see WP_Query::have_posts() * @since 1.5.0 * @uses $wp_query * * @return bool */ function have_posts() { global $wp_query;
return $wp_query->have_posts(); }
/** * Whether the caller is in the Loop. * * @since 2.0.0 * @uses $wp_query * * @return bool True if caller is within loop, false if loop hasn't started or ended. */ function in_the_loop() { global $wp_query;
return $wp_query->in_the_loop; }
/** * Rewind the loop posts. * * @see WP_Query::rewind_posts() * @since 1.5.0 * @uses $wp_query * * @return null */ function rewind_posts() { global $wp_query;
return $wp_query->rewind_posts(); }
/** * Iterate the post index in the loop. * * @see WP_Query::the_post() * @since 1.5.0 * @uses $wp_query */ function the_post() { global $wp_query;
$wp_query->the_post(); }
/* * Comments loop. */
/** * Whether there are comments to loop over. * * @see WP_Query::have_comments() * @since 2.2.0 * @uses $wp_query * * @return bool */ function have_comments() { global $wp_query; return $wp_query->have_comments(); }
/** * Iterate comment index in the comment loop. * * @see WP_Query::the_comment() * @since 2.2.0 * @uses $wp_query * * @return object */ function the_comment() { global $wp_query; return $wp_query->the_comment(); }
/* * WP_Query */
/** * The WordPress Query class. * * @link https://codex.wordpress.org/Function_Reference/WP_Query Codex page. * * @since 1.5.0 */ class WP_Query {
/** * Query vars set by the user * * @since 1.5.0 * @access public * @var array */ public $query;
/** * Query vars, after parsing * * @since 1.5.0 * @access public * @var array */ public $query_vars = array();
/** * Taxonomy query, as passed to get_tax_sql() * * @since 3.1.0 * @access public * @var object WP_Tax_Query */ public $tax_query;
/** * Metadata query container * * @since 3.2.0 * @access public * @var object WP_Meta_Query */ public $meta_query = false;
/** * Date query container * * @since 3.7.0 * @access public * @var object WP_Date_Query */ 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 * @access public * @var object|array */ public $queried_object;
/** * The ID of the queried object. * * @since 1.5.0 * @access public * @var int */ public $queried_object_id;
/** * Get post database query. * * @since 2.0.1 * @access public * @var string */ public $request;
/** * List of posts. * * @since 1.5.0 * @access public * @var array */ public $posts;
/** * The amount of posts for the current query. * * @since 1.5.0 * @access public * @var int */ public $post_count = 0;
/** * Index of the current item in the loop. * * @since 1.5.0 * @access public * @var int */ public $current_post = -1;
/** * Whether the loop has started and the caller is in the loop. * * @since 2.0.0 * @access public * @var bool */ public $in_the_loop = false;
/** * The current post. * * @since 1.5.0 * @access public * @var WP_Post */ public $post;
/** * The list of comments for current post. * * @since 2.2.0 * @access public * @var array */ public $comments;
/** * The amount of comments for the posts. * * @since 2.2.0 * @access public * @var int */ public $comment_count = 0;
/** * The index of the comment in the comment loop. * * @since 2.2.0 * @access public * @var int */ public $current_comment = -1;
/** * Current comment ID. * * @since 2.2.0 * @access public * @var int */ public $comment;
/** * The amount of found posts for the current query. * * If limit clause was not used, equals $post_count. * * @since 2.1.0 * @access public * @var int */ public $found_posts = 0;
/** * The amount of pages. * * @since 2.1.0 * @access public * @var int */ public $max_num_pages = 0;
/** * The amount of comment pages. * * @since 2.7.0 * @access public * @var int */ public $max_num_comment_pages = 0;
/** * Set if query is single post. * * @since 1.5.0 * @access public * @var bool */ public $is_single = false;
/** * Set if query is preview of blog. * * @since 2.0.0 * @access public * @var bool */ public $is_preview = false;
/** * Set if query returns a page. * * @since 1.5.0 * @access public * @var bool */ public $is_page = false;
/** * Set if query is an archive list. * * @since 1.5.0 * @access public * @var bool */ public $is_archive = false;
/** * Set if query is part of a date. * * @since 1.5.0 * @access public * @var bool */ public $is_date = false;
/** * Set if query contains a year. * * @since 1.5.0 * @access public * @var bool */ public $is_year = false;
/** * Set if query contains a month. * * @since 1.5.0 * @access public * @var bool */ public $is_month = false;
/** * Set if query contains a day. * * @since 1.5.0 * @access public * @var bool */ public $is_day = false;
/** * Set if query contains time. * * @since 1.5.0 * @access public * @var bool */ public $is_time = false;
/** * Set if query contains an author. * * @since 1.5.0 * @access public * @var bool */ public $is_author = false;
/** * Set if query contains category. * * @since 1.5.0 * @access public * @var bool */ public $is_category = false;
/** * Set if query contains tag. * * @since 2.3.0 * @access public * @var bool */ public $is_tag = false;
/** * Set if query contains taxonomy. * * @since 2.5.0 * @access public * @var bool */ public $is_tax = false;
/** * Set if query was part of a search result. * * @since 1.5.0 * @access public * @var bool */ public $is_search = false;
/** * Set if query is feed display. * * @since 1.5.0 * @access public * @var bool */ public $is_feed = false;
/** * Set if query is comment feed display. * * @since 2.2.0 * @access public * @var bool */ public $is_comment_feed = false;
/** * Set if query is trackback. * * @since 1.5.0 * @access public * @var bool */ public $is_trackback = false;
/** * Set if query is blog homepage. * * @since 1.5.0 * @access public * @var bool */ public $is_home = false;
/** * Set if query couldn't found anything. * * @since 1.5.0 * @access public * @var bool */ public $is_404 = false;
/** * Set if query is within comments popup window. * * @since 1.5.0 * @access public * @var bool */ public $is_comments_popup = false;
/** * Set if query is paged * * @since 1.5.0 * @access public * @var bool */ public $is_paged = false;
/** * Set if query is part of administration page. * * @since 1.5.0 * @access public * @var bool */ public $is_admin = false;
/** * Set if query is an attachment. * * @since 2.0.0 * @access public * @var bool */ public $is_attachment = false;
/** * Set if is single, is a page, or is an attachment. * * @since 2.1.0 * @access public * @var bool */ public $is_singular = false;
/** * Set if query is for robots. * * @since 2.1.0 * @access public * @var bool */ public $is_robots = false;
/** * Set if query contains posts. * * Basically, the homepage if the option isn't set for the static homepage. * * @since 2.1.0 * @access public * @var bool */ public $is_posts_page = false;
/** * Set if query is for a post type archive. * * @since 3.1.0 * @access public * @var bool */ public $is_post_type_archive = false;
/** * Stores the ->query_vars state like md5(serialize( $this->query_vars ) ) so we know * whether we have to re-parse because something has changed * * @since 3.1.0 * @access private * @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 * @access private */ private $query_vars_changed = true;
/** * Set if post thumbnails are cached * * @since 3.2.0 * @access public * @var bool */ public $thumbnails_cached = 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 * @access private */ private function init_query_flags() { $this->is_single = false; $this->is_preview = false; $this->is_page = false; $this->is_archive = false; $this->is_date = false; $this->is_year = false; $this->is_month = false; $this->is_day = false; $this->is_time = false; $this->is_author = false; $this->is_category = false; $this->is_tag = false; $this->is_tax = false; $this->is_search = false; $this->is_feed = false; $this->is_comment_feed = false; $this->is_trackback = false; $this->is_home = false; $this->is_404 = false; $this->is_comments_popup = false; $this->is_paged = false; $this->is_admin = false; $this->is_attachment = false; $this->is_singular = false; $this->is_robots = false; $this->is_posts_page = false; $this->is_post_type_archive = false; }
/** * Initiates object properties and sets default values. * * @since 1.5.0 * @access public */ public function init() { unset($this->posts); unset($this->query); $this->query_vars = array(); unset($this->queried_object); unset($this->queried_object_id); $this->post_count = 0; $this->current_post = -1; $this->in_the_loop = false; unset( $this->request ); unset( $this->post ); unset( $this->comments ); unset( $this->comment ); $this->comment_count = 0; $this->current_comment = -1; $this->found_posts = 0; $this->max_num_pages = 0; $this->max_num_comment_pages = 0;
$this->init_query_flags(); }
/** * Reparse the query vars. * * @since 1.5.0 * @access public */ public function parse_query_vars() { $this->parse_query(); }
/** * Fills in the query variables, which do not exist within the parameter. * * @since 2.1.0 * @access public * * @param array $array Defined query variables. * @return array Complete query variables with undefined ones filled in empty. */ public function fill_query_vars($array) { $keys = array( 'error' , 'm' , 'p' , 'post_parent' , 'subpost' , 'subpost_id' , 'attachment' , 'attachment_id' , 'name' , 'static' , 'pagename' , 'page_id' , 'second' , 'minute' , 'hour' , 'day' , 'monthnum' , 'year' , 'w' , 'category_name' , 'tag' , 'cat' , 'tag_id' , 'author' , 'author_name' , 'feed' , 'tb' , 'paged' , 'comments_popup' , 'meta_key' , 'meta_value' , 'preview' , 's' , 'sentence' , 'fields' , 'menu_order' );
foreach ( $keys as $key ) { if ( !isset($array[$key]) ) $array[$key] = ''; }
$array_keys = array( 'category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_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' );
foreach ( $array_keys as $key ) { if ( !isset($array[$key]) ) $array[$key] = array(); } return $array; }
/** * Parse a query string and set query type booleans. * * @since 1.5.0 * @since 4.2.0 Introduced the ability to order by specific clauses of a `$meta_query`, by passing the clause's * array key to `$orderby`. * @access public * * @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 array $author__in An array of author IDs to query from. * @type array $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 array $category__and An array of category IDs (AND in). * @type array $category__in An array of category IDs (OR in, no children). * @type array $category__not_in An array of category IDs (NOT in). * @type string $category_name Use category slug (not name, this or any children). * @type int $comments_per_page The number of comments to return per page. * Default 'comments_per_page' option. * @type int|string $comments_popup Whether the query is within the comments popup. Default empty. * @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|array $fields Which fields to return. Single field or all fields (string), * or array of fields. 'id=>parent' uses 'id' and 'post_parent'. * Default all fields. Accepts 'ids', 'id=>parent'. * @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 0|false. * @type int $m Combination YearMonth. Accepts any four-digit year and month * numbers 1-12. Default empty. * @type string $meta_compare Comparison operator to test the 'meta_value'. * @type string $meta_key Custom field key. * @type array $meta_query An associative array of WP_Meta_Query arguments. * {@see WP_Meta_Query->queries} * @type string $meta_value Custom field value. * @type int $meta_value_num Custom field value number. * @type int $menu_order The menu order of the posts. * @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. * Default 'date'. Accepts 'none', 'name', 'author', 'date', * 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', * 'comment_count', 'meta_value', 'meta_value_num', and the * array keys of `$meta_query`. * @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 array $post__in An array of post IDs to retrieve, sticky posts will be included * @type string $post_mime_type The mime type of the post. Used for 'attachment' post_type. * @type array $post__not_in An array of post IDs not to retrieve. Note: a string of comma- * separated IDs will NOT work. * @type int $post_parent Page ID to retrieve child pages for. Use 0 to only retrieve * top-level pages. * @type array $post_parent__in An array containing parent page IDs to query child pages from. * @type array $post_parent__not_in An array containing parent page IDs not to query child pages from. * @type string|array $post_type A post type slug (string) or array of post type slugs. * Default 'any' if using 'tax_query'. * @type string|array $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. * @type int $second Second of the minute. Default empty. Accepts numbers 0-60. * @type array $search_terms Array of search terms. * @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 array $tag__and An array of tag ids (AND in). * @type array $tag__in An array of tag ids (OR in). * @type array $tag__not_in An array of tag ids (NOT in). * @type int $tag_id Tag id or comma-separated list of IDs. * @type array $tag_slug__and An array of tag slugs (AND in). * @type array $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->queries} * @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 int $w The week number of the year. Default empty. Accepts numbers 0-53. * @type int $year The four-digit year. Default empty. Accepts any four-digit year. * } */ public function parse_query( $query = '' ) { if ( ! empty( $query ) ) { $this->init(); $this->query = $this->query_vars = wp_parse_args( $query ); } elseif ( ! isset( $this->query ) ) { $this->query = $this->query_vars; }
$this->query_vars = $this->fill_query_vars($this->query_vars); $qv = &$this->query_vars; $this->query_vars_changed = true;
if ( ! empty($qv['robots']) ) $this->is_robots = true;
$qv['p'] = absint($qv['p']); $qv['page_id'] = absint($qv['page_id']); $qv['year'] = absint($qv['year']); $qv['monthnum'] = absint($qv['monthnum']); $qv['day'] = absint($qv['day']); $qv['w'] = absint($qv['w']); $qv['m'] = preg_replace( '|[^0-9]|', '', $qv['m'] ); $qv['paged'] = absint($qv['paged']); $qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers $qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // comma separated list of positive or negative integers $qv['pagename'] = trim( $qv['pagename'] ); $qv['name'] = trim( $qv['name'] ); if ( '' !== $qv['hour'] ) $qv['hour'] = absint($qv['hour']); if ( '' !== $qv['minute'] ) $qv['minute'] = absint($qv['minute']); if ( '' !== $qv['second'] ) $qv['second'] = absint($qv['second']); if ( '' !== $qv['menu_order'] ) $qv['menu_order'] = absint($qv['menu_order']);
// Fairly insane upper bound for search string lengths. if ( ! is_scalar( $qv['s'] ) || ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 ) ) { $qv['s'] = ''; }
// Compat. Map subpost to attachment. if ( '' != $qv['subpost'] ) $qv['attachment'] = $qv['subpost']; if ( '' != $qv['subpost_id'] ) $qv['attachment_id'] = $qv['subpost_id'];
$qv['attachment_id'] = absint($qv['attachment_id']);
if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) { $this->is_single = true; $this->is_attachment = true; } elseif ( '' != $qv['name'] ) { $this->is_single = true; } elseif ( $qv['p'] ) { $this->is_single = true; } elseif ( ('' !== $qv['hour']) && ('' !== $qv['minute']) &&('' !== $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day']) ) { // If year, month, day, hour, minute, and second are set, a single // post is being queried. $this->is_single = true; } elseif ( '' != $qv['static'] || '' != $qv['pagename'] || !empty($qv['page_id']) ) { $this->is_page = true; $this->is_single = false; } else { // Look for archive queries. Dates, categories, authors, search, post type archives.
if ( isset( $this->query['s'] ) ) { $this->is_search = true; }
if ( '' !== $qv['second'] ) { $this->is_time = true; $this->is_date = true; }
if ( '' !== $qv['minute'] ) { $this->is_time = true; $this->is_date = true; }
if ( '' !== $qv['hour'] ) { $this->is_time = true; $this->is_date = true; }
if ( $qv['day'] ) { if ( ! $this->is_date ) { $date = sprintf( '%04d-%02d-%02d', $qv['year'], $qv['monthnum'], $qv['day'] ); if ( $qv['monthnum'] && $qv['year'] && ! wp_checkdate( $qv['monthnum'], $qv['day'], $qv['year'], $date ) ) { $qv['error'] = '404'; } else { $this->is_day = true; $this->is_date = true; } } }
if ( $qv['monthnum'] ) { if ( ! $this->is_date ) { if ( 12 < $qv['monthnum'] ) { $qv['error'] = '404'; } else { $this->is_month = true; $this->is_date = true; } } }
if ( $qv['year'] ) { if ( ! $this->is_date ) { $this->is_year = true; $this->is_date = true; } }
if ( $qv['m'] ) { $this->is_date = true; if ( strlen($qv['m']) > 9 ) { $this->is_time = true; } elseif ( strlen( $qv['m'] ) > 7 ) { $this->is_day = true; } elseif ( strlen( $qv['m'] ) > 5 ) { $this->is_month = true; } else { $this->is_year = true; } }
if ( '' != $qv['w'] ) { $this->is_date = true; }
$this->query_vars_hash = false; $this->parse_tax_query( $qv );
foreach ( $this->tax_query->queries as $tax_query ) { if ( ! is_array( $tax_query ) ) { continue; }
if ( isset( $tax_query['operator'] ) && 'NOT IN' != $tax_query['operator'] ) { switch ( $tax_query['taxonomy'] ) { case 'category': $this->is_category = true; break; case 'post_tag': $this->is_tag = true; break; default: $this->is_tax = true; } } } unset( $tax_query );
if ( empty($qv['author']) || ($qv['author'] == '0') ) { $this->is_author = false; } else { $this->is_author = true; }
if ( '' != $qv['author_name'] ) $this->is_author = true;
if ( !empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) { $post_type_obj = get_post_type_object( $qv['post_type'] ); if ( ! empty( $post_type_obj->has_archive ) ) $this->is_post_type_archive = true; }
if ( $this->is_post_type_archive || $this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax ) $this->is_archive = true; }
if ( '' != $qv['feed'] ) $this->is_feed = true;
if ( '' != $qv['tb'] ) $this->is_trackback = true;
if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) ) $this->is_paged = true;
if ( '' != $qv['comments_popup'] ) $this->is_comments_popup = true;
// if we're previewing inside the write screen if ( '' != $qv['preview'] ) $this->is_preview = true;
if ( is_admin() ) $this->is_admin = true;
if ( false !== strpos($qv['feed'], 'comments-') ) { $qv['feed'] = str_replace('comments-', '', $qv['feed']); $qv['withcomments'] = 1; }
$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
if ( $this->is_feed && ( !empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) ) $this->is_comment_feed = true;
if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup || $this->is_robots ) ) $this->is_home = true;
// Correct is_* for page_on_front and page_for_posts if ( $this->is_home && 'page' == get_option('show_on_front') && get_option('page_on_front') ) { $_query = wp_parse_args($this->query); // pagename can be set and empty depending on matched rewrite rules. Ignore an empty pagename. if ( isset($_query['pagename']) && '' == $_query['pagename'] ) unset($_query['pagename']); if ( empty($_query) || !array_diff( array_keys($_query), array('preview', 'page', 'paged', 'cpage') ) ) { $this->is_page = true; $this->is_home = false; $qv['page_id'] = get_option('page_on_front'); // Correct <!--nextpage--> for page_on_front if ( !empty($qv['paged']) ) { $qv['page'] = $qv['paged']; unset($qv['paged']); } } }
if ( '' != $qv['pagename'] ) { $this->queried_object = get_page_by_path($qv['pagename']); if ( !empty($this->queried_object) ) $this->queried_object_id = (int) $this->queried_object->ID; else unset($this->queried_object);
if ( 'page' == get_option('show_on_front') && isset($this->queried_object_id) && $this->queried_object_id == get_option('page_for_posts') ) { $this->is_page = false; $this->is_home = true; $this->is_posts_page = true; } }
if ( $qv['page_id'] ) { if ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) { $this->is_page = false; $this->is_home = true; $this->is_posts_page = true; } }
if ( !empty($qv['post_type']) ) { if ( is_array($qv['post_type']) ) $qv['post_type'] = array_map('sanitize_key', $qv['post_type']); else $qv['post_type'] = sanitize_key($qv['post_type']); }
if ( ! empty( $qv['post_status'] ) ) { if ( is_array( $qv['post_status'] ) ) $qv['post_status'] = array_map('sanitize_key', $qv['post_status']); else $qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']); }
if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) ) $this->is_comment_feed = false;
$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment; // Done correcting is_* for page_on_front and page_for_posts
if ( '404' == $qv['error'] ) $this->set_404();
$this->query_vars_hash = md5( serialize( $this->query_vars ) ); $this->query_vars_changed = false;
/** * Fires after the main query vars have been parsed. * * @since 1.5.0 * * @param WP_Query &$this The WP_Query instance (passed by reference). */ do_action_ref_array( 'parse_query', array( &$this ) ); }
/** * Parses various taxonomy related query vars. * * For BC, this method is not marked as protected. See [28987]. * * @access protected * @since 3.1.0 * * @param array &$q The query variables */ public function parse_tax_query( &$q ) { if ( ! empty( $q['tax_query'] ) && is_array( $q['tax_query'] ) ) { $tax_query = $q['tax_query']; } else { $tax_query = array(); }
if ( !empty($q['taxonomy']) && !empty($q['term']) ) { $tax_query[] = array( 'taxonomy' => $q['taxonomy'], 'terms' => array( $q['term'] ), 'field' => 'slug', ); }
foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t ) { if ( 'post_tag' == $taxonomy ) continue; // Handled further down in the $q['tag'] block
if ( $t->query_var && !empty( $q[$t->query_var] ) ) { $tax_query_defaults = array( 'taxonomy' => $taxonomy, 'field' => 'slug', );
if ( isset( $t->rewrite['hierarchical'] ) && $t->rewrite['hierarchical'] ) { $q[$t->query_var] = wp_basename( $q[$t->query_var] ); }
$term = $q[$t->query_var];
if ( strpos($term, '+') !== false ) { $terms = preg_split( '/[+]+/', $term ); foreach ( $terms as $term ) { $tax_query[] = array_merge( $tax_query_defaults, array( 'terms' => array( $term ) ) ); } } else { $tax_query[] = array_merge( $tax_query_defaults, array( 'terms' => preg_split( '/[,]+/', $term ) ) ); } } }
// Category stuff if ( ! empty( $q['cat'] ) && ! $this->is_singular ) { $cat_in = $cat_not_in = array();
$cat_array = preg_split( '/[,\s]+/', urldecode( $q['cat'] ) ); $cat_array = array_map( 'intval', $cat_array ); $q['cat'] = implode( ',', $cat_array );
foreach ( $cat_array as $cat ) { if ( $cat > 0 ) $cat_in[] = $cat; elseif ( $cat < 0 ) $cat_not_in[] = abs( $cat ); }
if ( ! empty( $cat_in ) ) { $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $cat_in, 'field' => 'term_id', 'include_children' => true ); }
if ( ! empty( $cat_not_in ) ) { $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $cat_not_in, 'field' => 'term_id', 'operator' => 'NOT IN', 'include_children' => true ); } unset( $cat_array, $cat_in, $cat_not_in ); }
if ( ! empty( $q['category__and'] ) && 1 === count( (array) $q['category__and'] ) ) { $q['category__and'] = (array) $q['category__and']; if ( ! isset( $q['category__in'] ) ) $q['category__in'] = array(); $q['category__in'][] = absint( reset( $q['category__and'] ) ); unset( $q['category__and'] ); }
if ( ! empty( $q['category__in'] ) ) { $q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) ); $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $q['category__in'], 'field' => 'term_id', 'include_children' => false ); }
if ( ! empty($q['category__not_in']) ) { $q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) ); $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $q['category__not_in'], 'operator' => 'NOT IN', 'include_children' => false ); }
if ( ! empty($q['category__and']) ) { $q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) ); $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $q['category__and'], 'field' => 'term_id', 'operator' => 'AND', 'include_children' => false ); }
// Tag stuff if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) { if ( strpos($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' => 'post_tag', 'terms' => $q['tag_id'] ); }
if ( !empty($q['tag__in']) ) { $q['tag__in'] = array_map('absint', array_unique( (array) $q['tag__in'] ) ); $tax_query[] = array( 'taxonomy' => 'post_tag', 'terms' => $q['tag__in'] ); }
if ( !empty($q['tag__not_in']) ) { $q['tag__not_in'] = array_map('absint', array_unique( (array) $q['tag__not_in'] ) ); $tax_query[] = array( 'taxonomy' => 'post_tag', 'terms' => $q['tag__not_in'], 'operator' => 'NOT IN' ); }
if ( !empty($q['tag__and']) ) { $q['tag__and'] = array_map('absint', array_unique( (array) $q['tag__and'] ) ); $tax_query[] = array( 'taxonomy' => 'post_tag', 'terms' => $q['tag__and'], 'operator' => 'AND' ); }
if ( !empty($q['tag_slug__in']) ) { $q['tag_slug__in'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) ); $tax_query[] = array( 'taxonomy' => 'post_tag', 'terms' => $q['tag_slug__in'], 'field' => 'slug' ); }
if ( !empty($q['tag_slug__and']) ) { $q['tag_slug__and'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) ); $tax_query[] = array( 'taxonomy' => 'post_tag', 'terms' => $q['tag_slug__and'], 'field' => 'slug', 'operator' => 'AND' ); }
$this->tax_query = new WP_Tax_Query( $tax_query );
/** * Fires after taxonomy-related query vars have been parsed. * * @since 3.7.0 * * @param WP_Query $this The WP_Query instance. */ do_action( 'parse_tax_query', $this ); }
/** * Generate SQL for the WHERE clause based on passed search terms. * * @since 3.7.0 * * @global wpdb $wpdb * @param array $q Query variables. * @return string WHERE clause. */ protected function parse_search( &$q ) { global $wpdb;
$search = '';
// added slashes screw with quote grouping when done early, so done later $q['s'] = stripslashes( $q['s'] ); if ( empty( $_GET['s'] ) && $this->is_main_query() ) $q['s'] = urldecode( $q['s'] ); // there are no line breaks in <input /> fields $q['s'] = str_replace( array( "\r", "\n" ), '', $q['s'] ); $q['search_terms_count'] = 1; if ( ! empty( $q['sentence'] ) ) { $q['search_terms'] = array( $q['s'] ); } else { if ( preg_match_all( '/".*?("|$)|((?<=[\t ",+])|^)[^\t ",+]+/', $q['s'], $matches ) ) { $q['search_terms_count'] = count( $matches[0] ); $q['search_terms'] = $this->parse_search_terms( $matches[0] ); // if the search string has only short terms or stopwords, or is 10+ terms long, match it as sentence if ( empty( $q['search_terms'] ) || count( $q['search_terms'] ) > 9 ) $q['search_terms'] = array( $q['s'] ); } else { $q['search_terms'] = array( $q['s'] ); } }
$n = ! empty( $q['exact'] ) ? '' : '%'; $searchand = ''; $q['search_orderby_title'] = array(); foreach ( $q['search_terms'] as $term ) { if ( $n ) { $like = '%' . $wpdb->esc_like( $term ) . '%'; $q['search_orderby_title'][] = $wpdb->prepare( "$wpdb->posts.post_title LIKE %s", $like ); }
$like = $n . $wpdb->esc_like( $term ) . $n; $search .= $wpdb->prepare( "{$searchand}(($wpdb->posts.post_title LIKE %s) OR ($wpdb->posts.post_content LIKE %s))", $like, $like ); $searchand = ' AND '; }
if ( ! empty( $search ) ) { $search = " AND ({$search}) "; if ( ! is_user_logged_in() ) $search .= " AND ($wpdb->posts.post_password = '') "; }
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 array $terms Terms to check. * @return array Terms that are not stopwords. */ protected function parse_search_terms( $terms ) { $strtolower = function_exists( 'mb_strtolower' ) ? 'mb_strtolower' : 'strtolower'; $checked = array();
$stopwords = $this->get_search_stopwords();
foreach ( $terms as $term ) { // keep before/after spaces when term is for exact match if ( preg_match( '/^".+"$/', $term ) ) $term = trim( $term, "\"'" ); else $term = trim( $term, "\"' " );
// Avoid single A-Z. if ( ! $term || ( 1 === strlen( $term ) && preg_match( '/^[a-z]$/i', $term ) ) ) continue;
if ( in_array( call_user_func( $strtolower, $term ), $stopwords, true ) ) continue;
$checked[] = $term; }
return $checked; }
/** * Retrieve stopwords used when parsing search terms. * * @since 3.7.0 * * @return array Stopwords. */ protected function get_search_stopwords() { if ( isset( $this->stopwords ) ) return $this->stopwords;
/* translators: This is a comma-separated list of very common words that should be excluded from a search, * like a, an, and the. These are usually called "stopwords". You should not simply translate these individual * words into your language. Instead, look for and provide commonly accepted stopwords in your language. */ $words = explode( ',', _x( 'about,an,are,as,at,be,by,com,for,from,how,in,is,it,of,on,or,that,the,this,to,was,what,when,where,who,will,with,www', 'Comma-separated list of search stopwords in your language' ) );
$stopwords = array(); foreach( $words as $word ) { $word = trim( $word, "\r\n\t " ); if ( $word ) $stopwords[] = $word; }
/** * Filter stopwords used when parsing search terms. * * @since 3.7.0 * * @param array $stopwords Stopwords. */ $this->stopwords = apply_filters( 'wp_search_stopwords', $stopwords ); return $this->stopwords; }
/** * Generate SQL for the ORDER BY condition based on passed search terms. * * @global wpdb $wpdb * @param array $q Query variables. * @return string ORDER BY clause. */ protected function parse_search_order( &$q ) { global $wpdb;
if ( $q['search_terms_count'] > 1 ) { $num_terms = count( $q['search_orderby_title'] ); $like = '%' . $wpdb->esc_like( $q['s'] ) . '%';
$search_orderby = '(CASE '; // sentence match in 'post_title' $search_orderby .= $wpdb->prepare( "WHEN $wpdb->posts.post_title LIKE %s THEN 1 ", $like );
// sanity limit, sort as sentence when more than 6 terms // (few searches are longer than 6 terms and most titles are not) if ( $num_terms < 7 ) { // all words in title $search_orderby .= 'WHEN ' . implode( ' AND ', $q['search_orderby_title'] ) . ' THEN 2 '; // any word in title, not needed when $num_terms == 1 if ( $num_terms > 1 ) $search_orderby .= 'WHEN ' . implode( ' OR ', $q['search_orderby_title'] ) . ' THEN 3 '; }
// sentence match in 'post_content' $search_orderby .= $wpdb->prepare( "WHEN $wpdb->posts.post_content LIKE %s THEN 4 ", $like ); $search_orderby .= 'ELSE 5 END)'; } else { // single word or sentence search $search_orderby = reset( $q['search_orderby_title'] ) . ' DESC'; }
return $search_orderby; }
/** * If the passed orderby value is allowed, convert the alias to a * properly-prefixed orderby value. * * @since 4.0.0 * @access protected * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $orderby Alias for the field to order by. * @return string|bool 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', );
$primary_meta_key = ''; $primary_meta_query = false; $meta_clauses = $this->meta_query->get_clauses(); if ( ! empty( $meta_clauses ) ) { $primary_meta_query = reset( $meta_clauses );
if ( ! empty( $primary_meta_query['key'] ) ) { $primary_meta_key = $primary_meta_query['key']; $allowed_keys[] = $primary_meta_key; }
$allowed_keys[] = 'meta_value'; $allowed_keys[] = 'meta_value_num'; $allowed_keys = array_merge( $allowed_keys, array_keys( $meta_clauses ) ); }
if ( ! in_array( $orderby, $allowed_keys ) ) { return false; }
switch ( $orderby ) { case 'post_name': case 'post_author': case 'post_date': case 'post_title': case 'post_modified': case 'post_parent': case 'post_type': case 'ID': case 'menu_order': case 'comment_count': $orderby_clause = "$wpdb->posts.{$orderby}"; break; case 'rand': $orderby_clause = 'RAND()'; break; case $primary_meta_key: case 'meta_value': if ( ! empty( $primary_meta_query['type'] ) ) { $orderby_clause = "CAST({$primary_meta_query['alias']}.meta_value AS {$primary_meta_query['cast']})"; } else { $orderby_clause = "{$primary_meta_query['alias']}.meta_value"; } break; case 'meta_value_num': $orderby_clause = "{$primary_meta_query['alias']}.meta_value+0"; break; default: if ( array_key_exists( $orderby, $meta_clauses ) ) { // $orderby corresponds to a meta_query clause. $meta_clause = $meta_clauses[ $orderby ]; $orderby_clause = "CAST({$meta_clause['alias']}.meta_value AS {$meta_clause['cast']})"; } else { // Default: order by post field. $orderby_clause = "$wpdb->posts.post_" . sanitize_key( $orderby ); }
break; }
return $orderby_clause; }
/** * Parse an 'order' query variable and cast it to ASC or DESC as necessary. * * @since 4.0.0 * @access protected * * @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 * @access public */ public function set_404() { $is_feed = $this->is_feed;
$this->init_query_flags(); $this->is_404 = true;
$this->is_feed = $is_feed; }
/** * Retrieve query variable. * * @since 1.5.0 * @access public * * @param string $query_var Query variable key. * @param mixed $default Value to return if the query variable is not set. Default ''. * @return mixed */ public function get( $query_var, $default = '' ) { if ( isset( $this->query_vars[ $query_var ] ) ) { return $this->query_vars[ $query_var ]; }
return $default; }
/** * Set query variable. * * @since 1.5.0 * @access public * * @param string $query_var Query variable key. * @param mixed $value Query variable value. */ public function set($query_var, $value) { $this->query_vars[$query_var] = $value; }
/** * Retrieve the 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 * @access public * * @return array List of posts. */ public function get_posts() { global $wpdb;
$this->parse_query();
/** * Fires after the query variable object is created, but before the actual query is run. * * Note: If using conditional tags, use the method versions within the passed instance * (e.g. $this->is_main_query() instead of is_main_query()). This is because the functions * like is_main_query() test against the global $wp_query instance, not the passed one. * * @since 2.0.0 * * @param WP_Query &$this The WP_Query instance (passed by reference). */ do_action_ref_array( 'pre_get_posts', array( &$this ) );
// Shorthand. $q = &$this->query_vars;
// Fill again in case pre_get_posts unset some vars. $q = $this->fill_query_vars($q);
// Parse meta query $this->meta_query = new WP_Meta_Query(); $this->meta_query->parse_query_vars( $q );
// Set a flag if a pre_get_posts hook changed the query vars. $hash = md5( serialize( $this->query_vars ) ); if ( $hash != $this->query_vars_hash ) { $this->query_vars_changed = true; $this->query_vars_hash = $hash; } unset($hash);
// First let's clear some variables $distinct = ''; $whichauthor = ''; $whichmimetype = ''; $where = ''; $limits = ''; $join = ''; $search = ''; $groupby = ''; $post_status_join = false; $page = 1;
if ( isset( $q['caller_get_posts'] ) ) { _deprecated_argument( 'WP_Query', '3.1', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) ); 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']) ) { if ( wp_using_ext_object_cache() ) $q['cache_results'] = false; else $q['cache_results'] = true; }
if ( !isset($q['update_post_term_cache']) ) $q['update_post_term_cache'] = true;
if ( !isset($q['update_post_meta_cache']) ) $q['update_post_meta_cache'] = true;
if ( !isset($q['post_type']) ) { if ( $this->is_search ) $q['post_type'] = 'any'; else $q['post_type'] = ''; } $post_type = $q['post_type']; if ( empty( $q['posts_per_page'] ) ) { $q['posts_per_page'] = get_option( 'posts_per_page' ); } if ( isset($q['showposts']) && $q['showposts'] ) { $q['showposts'] = (int) $q['showposts']; $q['posts_per_page'] = $q['showposts']; } if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) ) $q['posts_per_page'] = $q['posts_per_archive_page']; if ( !isset($q['nopaging']) ) { if ( $q['posts_per_page'] == -1 ) { $q['nopaging'] = true; } else { $q['nopaging'] = false; } }
if ( $this->is_feed ) { // This overrides posts_per_page. if ( ! empty( $q['posts_per_rss'] ) ) { $q['posts_per_page'] = $q['posts_per_rss']; } else { $q['posts_per_page'] = get_option( 'posts_per_rss' ); } $q['nopaging'] = false; } $q['posts_per_page'] = (int) $q['posts_per_page']; if ( $q['posts_per_page'] < -1 ) $q['posts_per_page'] = abs($q['posts_per_page']); elseif ( $q['posts_per_page'] == 0 ) $q['posts_per_page'] = 1;
if ( !isset($q['comments_per_page']) || $q['comments_per_page'] == 0 ) $q['comments_per_page'] = get_option('comments_per_page');
if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) { $this->is_page = true; $this->is_home = false; $q['page_id'] = get_option('page_on_front'); }
if ( isset($q['page']) ) { $q['page'] = trim($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': $fields = "$wpdb->posts.ID"; break; case 'id=>parent': $fields = "$wpdb->posts.ID, $wpdb->posts.post_parent"; break; default: $fields = "$wpdb->posts.*"; }
if ( '' !== $q['menu_order'] ) $where .= " AND $wpdb->posts.menu_order = " . $q['menu_order'];
// The "m" parameter is meant for months but accepts datetimes of varying specificity if ( $q['m'] ) { $where .= " AND YEAR($wpdb->posts.post_date)=" . substr($q['m'], 0, 4); if ( strlen($q['m']) > 5 ) $where .= " AND MONTH($wpdb->posts.post_date)=" . substr($q['m'], 4, 2); if ( strlen($q['m']) > 7 ) $where .= " AND DAYOFMONTH($wpdb->posts.post_date)=" . substr($q['m'], 6, 2); if ( strlen($q['m']) > 9 ) $where .= " AND HOUR($wpdb->posts.post_date)=" . substr($q['m'], 8, 2); if ( strlen($q['m']) > 11 ) $where .= " AND MINUTE($wpdb->posts.post_date)=" . substr($q['m'], 10, 2); if ( strlen($q['m']) > 13 ) $where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2); }
// Handle the other individual date parameters $date_parameters = array();
if ( '' !== $q['hour'] ) $date_parameters['hour'] = $q['hour'];
if ( '' !== $q['minute'] ) $date_parameters['minute'] = $q['minute'];
if ( '' !== $q['second'] ) $date_parameters['second'] = $q['second'];
if ( $q['year'] ) $date_parameters['year'] = $q['year'];
if ( $q['monthnum'] ) $date_parameters['monthnum'] = $q['monthnum'];
if ( $q['w'] ) $date_parameters['week'] = $q['w'];
if ( $q['day'] ) $date_parameters['day'] = $q['day'];
if ( $date_parameters ) { $date_query = new WP_Date_Query( array( $date_parameters ) ); $where .= $date_query->get_sql(); } unset( $date_parameters, $date_query );
// Handle complex date queries if ( ! empty( $q['date_query'] ) ) { $this->date_query = new WP_Date_Query( $q['date_query'] ); $where .= $this->date_query->get_sql(); }
// If we've got a post_type AND it's not "any" post_type. if ( !empty($q['post_type']) && 'any' != $q['post_type'] ) { foreach ( (array)$q['post_type'] as $_post_type ) { $ptype_obj = get_post_type_object($_post_type); if ( !$ptype_obj || !$ptype_obj->query_var || empty($q[ $ptype_obj->query_var ]) ) continue;
if ( ! $ptype_obj->hierarchical ) { // Non-hierarchical post types can directly use 'name'. $q['name'] = $q[ $ptype_obj->query_var ]; } else { // Hierarchical post types will operate through 'pagename'. $q['pagename'] = $q[ $ptype_obj->query_var ]; $q['name'] = ''; }
// Only one request for a slug is possible, this is why name & pagename are overwritten above. break; } //end foreach unset($ptype_obj); }
if ( '' != $q['name'] ) { $q['name'] = sanitize_title_for_query( $q['name'] ); $where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'"; } elseif ( '' != $q['pagename'] ) { if ( isset($this->queried_object_id) ) { $reqpage = $this->queried_object_id; } else { if ( 'page' != $q['post_type'] ) { foreach ( (array)$q['post_type'] as $_post_type ) { $ptype_obj = get_post_type_object($_post_type); if ( !$ptype_obj || !$ptype_obj->hierarchical ) continue;
$reqpage = get_page_by_path($q['pagename'], OBJECT, $_post_type); if ( $reqpage ) break; } unset($ptype_obj); } else { $reqpage = get_page_by_path($q['pagename']); } if ( !empty($reqpage) ) $reqpage = $reqpage->ID; else $reqpage = 0; }
$page_for_posts = get_option('page_for_posts'); if ( ('page' != get_option('show_on_front') ) || empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) { $q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) ); $q['name'] = $q['pagename']; $where .= " AND ($wpdb->posts.ID = '$reqpage')"; $reqpage_obj = get_post( $reqpage ); if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) { $this->is_attachment = true; $post_type = $q['post_type'] = 'attachment'; $this->is_page = true; $q['attachment_id'] = $reqpage; } } } elseif ( '' != $q['attachment'] ) { $q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) ); $q['name'] = $q['attachment']; $where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'"; }
if ( intval($q['comments_popup']) ) $q['p'] = absint($q['comments_popup']);
// If an attachment is requested by number, let it supersede any post number. if ( $q['attachment_id'] ) $q['p'] = absint($q['attachment_id']);
// If a post number is specified, load that post if ( $q['p'] ) { $where .= " AND {$wpdb->posts}.ID = " . $q['p']; } elseif ( $q['post__in'] ) { $post__in = implode(',', array_map( 'absint', $q['post__in'] )); $where .= " AND {$wpdb->posts}.ID IN ($post__in)"; } elseif ( $q['post__not_in'] ) { $post__not_in = implode(',', array_map( 'absint', $q['post__not_in'] )); $where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)"; }
if ( is_numeric( $q['post_parent'] ) ) { $where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] ); } elseif ( $q['post_parent__in'] ) { $post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) ); $where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)"; } elseif ( $q['post_parent__not_in'] ) { $post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) ); $where .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)"; }
if ( $q['page_id'] ) { if ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) { $q['p'] = $q['page_id']; $where = " AND {$wpdb->posts}.ID = " . $q['page_id']; } }
// If a search pattern is specified, load the posts that match. if ( ! empty( $q['s'] ) ) { $search = $this->parse_search( $q ); }
/** * Filter 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 $this The current WP_Query object. */ $search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
// Taxonomies if ( !$this->is_singular ) { $this->parse_tax_query( $q );
$clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
$join .= $clauses['join']; $where .= $clauses['where']; }
if ( $this->is_tax ) { if ( empty($post_type) ) { // Do a fully inclusive search for currently registered post types of queried taxonomies $post_type = array(); $taxonomies = array_keys( $this->tax_query->queried_terms ); foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) { $object_taxonomies = $pt === 'attachment' ? 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) ) { $post_status_join = true; } }
/* * Ensure that 'taxonomy', 'term', 'term_id', 'cat', and * 'category_name' vars are set for backward compatibility. */ if ( ! empty( $this->tax_query->queried_terms ) ) {
/* * Set 'taxonomy', 'term', and 'term_id' to the * first taxonomy other than 'post_tag' or 'category'. */ if ( ! isset( $q['taxonomy'] ) ) { foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) { if ( empty( $queried_items['terms'][0] ) ) { continue; }
if ( ! in_array( $queried_taxonomy, array( 'category', 'post_tag' ) ) ) { $q['taxonomy'] = $queried_taxonomy;
if ( 'slug' === $queried_items['field'] ) { $q['term'] = $queried_items['terms'][0]; } else { $q['term_id'] = $queried_items['terms'][0]; } } } }
// 'cat', 'category_name', 'tag_id' foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) { if ( empty( $queried_items['terms'][0] ) ) { continue; }
if ( 'category' === $queried_taxonomy ) { $the_cat = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'category' ); if ( $the_cat ) { $this->set( 'cat', $the_cat->term_id ); $this->set( 'category_name', $the_cat->slug ); } unset( $the_cat ); }
if ( 'post_tag' === $queried_taxonomy ) { $the_tag = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'post_tag' ); if ( $the_tag ) { $this->set( 'tag_id', $the_tag->term_id ); } unset( $the_tag ); } } }
if ( !empty( $this->tax_query->queries ) || !empty( $this->meta_query->queries ) ) { $groupby = "{$wpdb->posts}.ID"; }
// Author/user stuff
if ( ! empty( $q['author'] ) && $q['author'] != '0' ) { $q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) ); $authors = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) ); foreach ( $authors as $author ) { $key = $author > 0 ? 'author__in' : 'author__not_in'; $q[$key][] = abs( $author ); } $q['author'] = implode( ',', $authors ); }
if ( ! empty( $q['author__not_in'] ) ) { $author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) ); $where .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) "; } elseif ( ! empty( $q['author__in'] ) ) { $author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) ); $where .= " AND {$wpdb->posts}.post_author IN ($author__in) "; }
// Author stuff for nice URLs
if ( '' != $q['author_name'] ) { if ( strpos($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']->ID; $whichauthor .= " AND ($wpdb->posts.post_author = " . absint($q['author']) . ')'; }
// MIME-Type stuff for attachment browsing
if ( isset( $q['post_mime_type'] ) && '' != $q['post_mime_type'] ) $whichmimetype = wp_post_mime_type_where( $q['post_mime_type'], $wpdb->posts );
$where .= $search . $whichauthor . $whichmimetype;
if ( ! empty( $this->meta_query->queries ) ) { $clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this ); $join .= $clauses['join']; $where .= $clauses['where']; }
$rand = ( isset( $q['orderby'] ) && 'rand' === $q['orderby'] ); if ( ! isset( $q['order'] ) ) { $q['order'] = $rand ? '' : 'DESC'; } else { $q['order'] = $rand ? '' : $this->parse_order( $q['order'] ); }
// Order by. if ( empty( $q['orderby'] ) ) { /* * Boolean false or empty array blanks out ORDER BY, * while leaving the value unset or otherwise empty sets the default. */ if ( isset( $q['orderby'] ) && ( is_array( $q['orderby'] ) || false === $q['orderby'] ) ) { $orderby = ''; } else { $orderby = "$wpdb->posts.post_date " . $q['order']; } } elseif ( 'none' == $q['orderby'] ) { $orderby = ''; } elseif ( $q['orderby'] == 'post__in' && ! empty( $post__in ) ) { $orderby = "FIELD( {$wpdb->posts}.ID, $post__in )"; } elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) { $orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )"; } else { $orderby_array = array(); if ( is_array( $q['orderby'] ) ) { foreach ( $q['orderby'] as $_orderby => $order ) { $orderby = addslashes_gpc( urldecode( $_orderby ) ); $parsed = $this->parse_orderby( $orderby );
if ( ! $parsed ) { continue; }
$orderby_array[] = $parsed . ' ' . $this->parse_order( $order ); } $orderby = implode( ', ', $orderby_array );
} else { $q['orderby'] = urldecode( $q['orderby'] ); $q['orderby'] = addslashes_gpc( $q['orderby'] );
foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) { $parsed = $this->parse_orderby( $orderby ); // Only allow certain values for safety. if ( ! $parsed ) { continue; }
$orderby_array[] = $parsed; } $orderby = implode( ' ' . $q['order'] . ', ', $orderby_array );
if ( empty( $orderby ) ) { $orderby = "$wpdb->posts.post_date " . $q['order']; } elseif ( ! empty( $q['order'] ) ) { $orderby .= " {$q['order']}"; } } }
// Order search results by relevance only when another "orderby" is not specified in the query. if ( ! empty( $q['s'] ) ) { $search_orderby = ''; if ( ! empty( $q['search_orderby_title'] ) && ( empty( $q['orderby'] ) && ! $this->is_feed ) || ( isset( $q['orderby'] ) && 'relevance' === $q['orderby'] ) ) $search_orderby = $this->parse_search_order( $q );
/** * Filter the ORDER BY used when ordering search results. * * @since 3.7.0 * * @param string $search_orderby The ORDER BY clause. * @param WP_Query $this The current WP_Query instance. */ $search_orderby = apply_filters( 'posts_search_orderby', $search_orderby, $this ); if ( $search_orderby ) $orderby = $orderby ? $search_orderby . ', ' . $orderby : $search_orderby; }
if ( is_array( $post_type ) && count( $post_type ) > 1 ) { $post_type_cap = 'multiple_post_type'; } else { if ( is_array( $post_type ) ) $post_type = reset( $post_type ); $post_type_object = get_post_type_object( $post_type ); if ( empty( $post_type_object ) ) $post_type_cap = $post_type; }
if ( isset( $q['post_password'] ) ) { $where .= $wpdb->prepare( " AND $wpdb->posts.post_password = %s", $q['post_password'] ); if ( empty( $q['perm'] ) ) { $q['perm'] = 'readable'; } } elseif ( isset( $q['has_password'] ) ) { $where .= sprintf( " AND $wpdb->posts.post_password %s ''", $q['has_password'] ? '!=' : '=' ); }
if ( 'any' == $post_type ) { $in_search_post_types = get_post_types( array('exclude_from_search' => false) ); if ( empty( $in_search_post_types ) ) $where .= ' AND 1=0 '; else $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')"; } elseif ( !empty( $post_type ) && is_array( $post_type ) ) { $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $post_type) . "')"; } elseif ( ! empty( $post_type ) ) { $where .= " AND $wpdb->posts.post_type = '$post_type'"; $post_type_object = get_post_type_object ( $post_type ); } elseif ( $this->is_attachment ) { $where .= " AND $wpdb->posts.post_type = 'attachment'"; $post_type_object = get_post_type_object ( 'attachment' ); } elseif ( $this->is_page ) { $where .= " AND $wpdb->posts.post_type = 'page'"; $post_type_object = get_post_type_object ( 'page' ); } else { $where .= " AND $wpdb->posts.post_type = 'post'"; $post_type_object = get_post_type_object ( 'post' ); }
$edit_cap = 'edit_post'; $read_cap = 'read_post';
if ( ! empty( $post_type_object ) ) { $edit_others_cap = $post_type_object->cap->edit_others_posts; $read_private_cap = $post_type_object->cap->read_private_posts; } else { $edit_others_cap = 'edit_others_' . $post_type_cap . 's'; $read_private_cap = 'read_private_' . $post_type_cap . 's'; }
$user_id = get_current_user_id();
$q_status = array(); if ( ! empty( $q['post_status'] ) ) { $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 ) ) { foreach ( get_post_stati( array( 'exclude_from_search' => true ) ) as $status ) { if ( ! in_array( $status, $q_status ) ) { $e_status[] = "$wpdb->posts.post_status <> '$status'"; } } } else { foreach ( get_post_stati() as $status ) { if ( in_array( $status, $q_status ) ) { if ( 'private' == $status ) $p_status[] = "$wpdb->posts.post_status = '$status'"; else $r_status[] = "$wpdb->posts.post_status = '$status'"; } } }
if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) { $r_status = array_merge($r_status, $p_status); unset($p_status); }
if ( !empty($e_status) ) { $statuswheres[] = "(" . join( ' AND ', $e_status ) . ")"; } if ( !empty($r_status) ) { if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can($edit_others_cap) ) $statuswheres[] = "($wpdb->posts.post_author = $user_id " . "AND (" . join( ' OR ', $r_status ) . "))"; else $statuswheres[] = "(" . join( ' OR ', $r_status ) . ")"; } if ( !empty($p_status) ) { if ( !empty($q['perm'] ) && 'readable' == $q['perm'] && !current_user_can($read_private_cap) ) $statuswheres[] = "($wpdb->posts.post_author = $user_id " . "AND (" . join( ' OR ', $p_status ) . "))"; else $statuswheres[] = "(" . join( ' OR ', $p_status ) . ")"; } if ( $post_status_join ) { $join .= " LEFT JOIN $wpdb->posts AS p2 ON ($wpdb->posts.post_parent = p2.ID) "; foreach ( $statuswheres as $index => $statuswhere ) $statuswheres[$index] = "($statuswhere OR ($wpdb->posts.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))"; } $where_status = implode( ' OR ', $statuswheres ); if ( ! empty( $where_status ) ) { $where .= " AND ($where_status)"; } } elseif ( !$this->is_singular ) { $where .= " AND ($wpdb->posts.post_status = 'publish'";
// Add public states. $public_states = get_post_stati( array('public' => true) ); foreach ( (array) $public_states as $state ) { if ( 'publish' == $state ) // Publish is hard-coded above. continue; $where .= " OR $wpdb->posts.post_status = '$state'"; }
if ( $this->is_admin ) { // Add protected states that should show in the admin all list. $admin_all_states = get_post_stati( array('protected' => true, 'show_in_admin_all_list' => true) ); foreach ( (array) $admin_all_states as $state ) $where .= " OR $wpdb->posts.post_status = '$state'"; }
if ( is_user_logged_in() ) { // Add private states that are limited to viewing by the author of a post or someone who has caps to read private states. $private_states = get_post_stati( array('private' => true) ); foreach ( (array) $private_states as $state ) $where .= current_user_can( $read_private_cap ) ? " OR $wpdb->posts.post_status = '$state'" : " OR $wpdb->posts.post_author = $user_id AND $wpdb->posts.post_status = '$state'"; }
$where .= ')'; }
/* * Apply filters on where and join prior to paging so that any * manipulations to them are reflected in the paging by day queries. */ if ( !$q['suppress_filters'] ) { /** * Filter the WHERE clause of the query. * * @since 1.5.0 * * @param string $where The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );
/** * Filter the JOIN clause of the query. * * @since 1.5.0 * * @param string $where The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $join = apply_filters_ref_array( 'posts_join', array( $join, &$this ) ); }
// Paging if ( empty($q['nopaging']) && !$this->is_singular ) { $page = absint($q['paged']); if ( !$page ) $page = 1;
if ( empty($q['offset']) ) { $pgstrt = absint( ( $page - 1 ) * $q['posts_per_page'] ) . ', '; } else { // we're ignoring $page and using 'offset' $q['offset'] = absint($q['offset']); $pgstrt = $q['offset'] . ', '; } $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; }
// Comments feeds if ( $this->is_comment_feed && ! $this->is_singular ) { if ( $this->is_archive || $this->is_search ) { $cjoin = "JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join "; $cwhere = "WHERE comment_approved = '1' $where"; $cgroupby = "$wpdb->comments.comment_id"; } else { // Other non singular e.g. front $cjoin = "JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )"; $cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'"; $cgroupby = ''; }
if ( !$q['suppress_filters'] ) { /** * Filter the JOIN clause of the comments feed query before sending. * * @since 2.2.0 * * @param string $cjoin The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );
/** * Filter the WHERE clause of the comments feed query before sending. * * @since 2.2.0 * * @param string $cwhere The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) );
/** * Filter the GROUP BY clause of the comments feed query before sending. * * @since 2.2.0 * * @param string $cgroupby The GROUP BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
/** * Filter the ORDER BY clause of the comments feed query before sending. * * @since 2.8.0 * * @param string $corderby The ORDER BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
/** * Filter the LIMIT clause of the comments feed query before sending. * * @since 2.8.0 * * @param string $climits The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) ); } $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
$this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits"); $this->comment_count = count($this->comments);
$post_ids = array();
foreach ( $this->comments as $comment ) $post_ids[] = (int) $comment->comment_post_ID;
$post_ids = join(',', $post_ids); $join = ''; if ( $post_ids ) $where = "AND $wpdb->posts.ID IN ($post_ids) "; else $where = "AND 0"; }
$pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
/* * Apply post-paging filters on where and join. Only plugins that * manipulate paging queries should use these hooks. */ if ( !$q['suppress_filters'] ) { /** * Filter the WHERE clause of the query. * * Specifically for manipulating paging queries. * * @since 1.5.0 * * @param string $where The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
/** * Filter the GROUP BY clause of the query. * * @since 2.0.0 * * @param string $groupby The GROUP BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
/** * Filter the JOIN clause of the query. * * Specifically for manipulating paging queries. * * @since 1.5.0 * * @param string $join The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
/** * Filter the ORDER BY clause of the query. * * @since 1.5.1 * * @param string $orderby The ORDER BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
/** * Filter the DISTINCT clause of the query. * * @since 2.1.0 * * @param string $distinct The DISTINCT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
/** * Filter the LIMIT clause of the query. * * @since 2.1.0 * * @param string $limits The LIMIT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
/** * Filter the SELECT clause of the query. * * @since 2.1.0 * * @param string $fields The SELECT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
/** * Filter all query clauses at once, for convenience. * * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT, * fields (SELECT), and LIMITS clauses. * * @since 3.1.0 * * @param array $clauses The list of clauses for the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) );
$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : ''; $groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : ''; $join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : ''; $orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : ''; $distinct = isset( $clauses[ 'distinct' ] ) ? $clauses[ 'distinct' ] : ''; $fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : ''; $limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : ''; }
/** * Fires to announce the query's current selection parameters. * * For use by caching plugins. * * @since 2.3.0 * * @param string $selection The assembled selection query. */ do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
/* * Filter again for the benefit of caching plugins. * Regular plugins should use the hooks above. */ if ( !$q['suppress_filters'] ) { /** * Filter the WHERE clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $where The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
/** * Filter the GROUP BY clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $groupby The GROUP BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
/** * Filter the JOIN clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $join The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
/** * Filter the ORDER BY clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $orderby The ORDER BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
/** * Filter the DISTINCT clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $distinct The DISTINCT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
/** * Filter the SELECT clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $fields The SELECT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
/** * Filter the LIMIT clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $limits The LIMIT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
/** * Filter all query clauses at once, for convenience. * * For use by caching plugins. * * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT, * fields (SELECT), and LIMITS clauses. * * @since 3.1.0 * * @param array $pieces The pieces of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );
$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : ''; $groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : ''; $join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : ''; $orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : ''; $distinct = isset( $clauses[ 'distinct' ] ) ? $clauses[ 'distinct' ] : ''; $fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : ''; $limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : ''; }
if ( ! empty($groupby) ) $groupby = 'GROUP BY ' . $groupby; if ( !empty( $orderby ) ) $orderby = 'ORDER BY ' . $orderby;
$found_rows = ''; if ( !$q['no_found_rows'] && !empty($limits) ) $found_rows = 'SQL_CALC_FOUND_ROWS';
$this->request = $old_request = "SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
if ( !$q['suppress_filters'] ) { /** * Filter the completed SQL query before sending. * * @since 2.0.0 * * @param array $request The complete SQL query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) ); }
if ( 'ids' == $q['fields'] ) { $this->posts = $wpdb->get_col( $this->request ); $this->posts = array_map( 'intval', $this->posts ); $this->post_count = count( $this->posts ); $this->set_found_posts( $q, $limits );
return $this->posts; }
if ( 'id=>parent' == $q['fields'] ) { $this->posts = $wpdb->get_results( $this->request ); $this->post_count = count( $this->posts ); $this->set_found_posts( $q, $limits );
$r = array(); foreach ( $this->posts as $key => $post ) { $this->posts[ $key ]->ID = (int) $post->ID; $this->posts[ $key ]->post_parent = (int) $post->post_parent;
$r[ (int) $post->ID ] = (int) $post->post_parent; }
return $r; }
$split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
/** * Filter 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 $this 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->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
/** * Filter the Post IDs SQL request before sending. * * @since 3.4.0 * * @param string $request The post ID request. * @param WP_Query $this The WP_Query instance. */ $this->request = apply_filters( 'posts_request_ids', $this->request, $this );
$ids = $wpdb->get_col( $this->request );
if ( $ids ) { $this->posts = $ids; $this->set_found_posts( $q, $limits ); _prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] ); } else { $this->posts = array(); } } else { $this->posts = $wpdb->get_results( $this->request ); $this->set_found_posts( $q, $limits ); }
// Convert to WP_Post objects if ( $this->posts ) $this->posts = array_map( 'get_post', $this->posts );
if ( ! $q['suppress_filters'] ) { /** * Filter the raw post results array, prior to status checks. * * @since 2.3.0 * * @param array $posts The post results array. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->posts = apply_filters_ref_array( 'posts_results', array( $this->posts, &$this ) ); }
if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) { /** This filter is documented in wp-includes/query.php */ $cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );
/** This filter is documented in wp-includes/query.php */ $cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
/** This filter is documented in wp-includes/query.php */ $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) ); $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
/** This filter is documented in wp-includes/query.php */ $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) ); $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
/** This filter is documented in wp-includes/query.php */ $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
$comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits"; $this->comments = $wpdb->get_results($comments_request); $this->comment_count = count($this->comments); }
// Check post status to determine if post should be displayed. if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) { $status = get_post_status($this->posts[0]); $post_status_obj = get_post_status_object($status); //$type = get_post_type($this->posts[0]);
// If the post_status was specifically requested, let it pass through. if ( !$post_status_obj->public && ! in_array( $status, $q_status ) ) {
if ( ! is_user_logged_in() ) { // User must be logged in to view unpublished posts. $this->posts = array(); } else { if ( $post_status_obj->protected ) { // User must have edit permissions on the draft to preview. if ( ! current_user_can($edit_cap, $this->posts[0]->ID) ) { $this->posts = array(); } else { $this->is_preview = true; if ( 'future' != $status ) $this->posts[0]->post_date = current_time('mysql'); } } elseif ( $post_status_obj->private ) { if ( ! current_user_can($read_cap, $this->posts[0]->ID) ) $this->posts = array(); } else { $this->posts = array(); } } }
if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) { /** * Filter the single post for preview mode. * * @since 2.7.0 * * @param WP_Post $post_preview The Post object. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this->posts[0], &$this ) ) ); } }
// Put sticky posts at the top of the posts array $sticky_posts = get_option('sticky_posts'); if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) { $num_posts = count($this->posts); $sticky_offset = 0; // Loop over posts and relocate stickies to the front. for ( $i = 0; $i < $num_posts; $i++ ) { if ( in_array($this->posts[$i]->ID, $sticky_posts) ) { $sticky_post = $this->posts[$i]; // Remove sticky from current position array_splice($this->posts, $i, 1); // Move to front, after other stickies array_splice($this->posts, $sticky_offset, 0, array($sticky_post)); // Increment the sticky offset. The next sticky will be placed at this offset. $sticky_offset++; // Remove post from sticky posts array $offset = array_search($sticky_post->ID, $sticky_posts); unset( $sticky_posts[$offset] ); } }
// If any posts have been excluded specifically, Ignore those that are sticky. if ( !empty($sticky_posts) && !empty($q['post__not_in']) ) $sticky_posts = array_diff($sticky_posts, $q['post__not_in']);
// Fetch sticky posts that weren't in the query results if ( !empty($sticky_posts) ) { $stickies = get_posts( array( 'post__in' => $sticky_posts, 'post_type' => $post_type, 'post_status' => 'publish', 'nopaging' => true ) );
foreach ( $stickies as $sticky_post ) { array_splice( $this->posts, $sticky_offset, 0, array( $sticky_post ) ); $sticky_offset++; } } }
if ( ! $q['suppress_filters'] ) { /** * Filter the array of retrieved posts after they've been fetched and * internally processed. * * @since 1.5.0 * * @param array $posts The array of retrieved posts. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->posts = apply_filters_ref_array( 'the_posts', array( $this->posts, &$this ) ); }
// Ensure that any posts added/modified via one of the filters above are // of the type WP_Post and are filtered. if ( $this->posts ) { $this->post_count = count( $this->posts );
$this->posts = array_map( 'get_post', $this->posts );
if ( $q['cache_results'] ) update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']);
$this->post = reset( $this->posts ); } else { $this->post_count = 0; $this->posts = array(); }
return $this->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 * @access private */ private function set_found_posts( $q, $limits ) { global $wpdb;
// Bail if posts is an empty array. Continue if posts is an empty string, // null, or false to accommodate caching plugins that fill posts later. if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) ) return;
if ( ! empty( $limits ) ) { /** * Filter the query to run for retrieving the found posts. * * @since 2.1.0 * * @param string $found_posts The query to run to find the found posts. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) ); } else { $this->found_posts = count( $this->posts ); }
/** * Filter the number of found posts for the query. * * @since 2.1.0 * * @param int $found_posts The number of posts found. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
if ( ! empty( $limits ) ) $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] ); }
/** * Set up the next post and iterate current post index. * * @since 1.5.0 * @access public * * @return WP_Post Next post. */ public function next_post() {
$this->current_post++;
$this->post = $this->posts[$this->current_post]; return $this->post; }
/** * Sets up the current post. * * Retrieves the next post, sets up the post, sets the 'in the loop' * property to true. * * @since 1.5.0 * @access public */ public function the_post() { global $post; $this->in_the_loop = true;
if ( $this->current_post == -1 ) // loop has just started /** * Fires once the loop is started. * * @since 2.0.0 * * @param WP_Query &$this The WP_Query instance (passed by reference). */ do_action_ref_array( 'loop_start', array( &$this ) );
$post = $this->next_post(); $this->setup_postdata( $post ); }
/** * Whether there are more posts available in the loop. * * Calls action 'loop_end', when the loop is complete. * * @since 1.5.0 * @access public * * @return bool True if posts are available, false if end of loop. */ public function have_posts() { if ( $this->current_post + 1 < $this->post_count ) { return true; } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) { /** * Fires once the loop has ended. * * @since 2.0.0 * * @param WP_Query &$this The WP_Query instance (passed by reference). */ do_action_ref_array( 'loop_end', array( &$this ) ); // Do some cleaning up after the loop $this->rewind_posts(); }
$this->in_the_loop = false; return false; }
/** * Rewind the posts and reset post index. * * @since 1.5.0 * @access public */ public function rewind_posts() { $this->current_post = -1; if ( $this->post_count > 0 ) { $this->post = $this->posts[0]; } }
/** * Iterate current comment index and return comment object. * * @since 2.2.0 * @access public * * @return object Comment object. */ public function next_comment() { $this->current_comment++;
$this->comment = $this->comments[$this->current_comment]; return $this->comment; }
/** * Sets up the current comment. * * @since 2.2.0 * @access public * @global object $comment Current comment. */ public function the_comment() { global $comment;
$comment = $this->next_comment();
if ( $this->current_comment == 0 ) { /** * 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 * @access public * * @return bool True, if more comments. False, if no more posts. */ public function have_comments() { if ( $this->current_comment + 1 < $this->comment_count ) { return true; } elseif ( $this->current_comment + 1 == $this->comment_count ) { $this->rewind_comments(); }
return false; }
/** * Rewind the comments, resets the comment index and comment to first. * * @since 2.2.0 * @access public */ public function rewind_comments() { $this->current_comment = -1; if ( $this->comment_count > 0 ) { $this->comment = $this->comments[0]; } }
/** * Sets up the WordPress query by parsing query string. * * @since 1.5.0 * @access public * * @param string $query URL query string. * @return array List of posts. */ public function query( $query ) { $this->init(); $this->query = $this->query_vars = wp_parse_args( $query ); return $this->get_posts(); }
/** * Retrieve queried object. * * If queried object is not set, then the queried object will be set from * the category, tag, taxonomy, posts page, single post, page, or author * query variable. After it is set up, it will be returned. * * @since 1.5.0 * @access public * * @return object */ public function get_queried_object() { if ( isset($this->queried_object) ) return $this->queried_object;
$this->queried_object = null; $this->queried_object_id = 0;
if ( $this->is_category || $this->is_tag || $this->is_tax ) { if ( $this->is_category ) { if ( $this->get( 'cat' ) ) { $term = get_term( $this->get( 'cat' ), 'category' ); } elseif ( $this->get( 'category_name' ) ) { $term = get_term_by( 'slug', $this->get( 'category_name' ), 'category' ); } } elseif ( $this->is_tag ) { if ( $this->get( 'tag_id' ) ) { $term = get_term( $this->get( 'tag_id' ), 'post_tag' ); } elseif ( $this->get( 'tag' ) ) { $term = get_term_by( 'slug', $this->get( 'tag' ), 'post_tag' ); } } else { // For other tax queries, grab the first term from the first clause. $tax_query_in_and = wp_list_filter( $this->tax_query->queried_terms, array( 'operator' => 'NOT IN' ), 'NOT' );
if ( ! empty( $tax_query_in_and ) ) { $queried_taxonomies = array_keys( $tax_query_in_and ); $matched_taxonomy = reset( $queried_taxonomies ); $query = $tax_query_in_and[ $matched_taxonomy ];
if ( $query['terms'] ) { if ( 'term_id' == $query['field'] ) { $term = get_term( reset( $query['terms'] ), $matched_taxonomy ); } else { $term = get_term_by( $query['field'], reset( $query['terms'] ), $matched_taxonomy ); } } } }
if ( ! empty( $term ) && ! is_wp_error( $term ) ) { $this->queried_object = $term; $this->queried_object_id = (int) $term->term_id;
if ( $this->is_category && 'category' === $this->queried_object->taxonomy ) _make_cat_compat( $this->queried_object ); } } elseif ( $this->is_post_type_archive ) { $post_type = $this->get( 'post_type' ); if ( is_array( $post_type ) ) $post_type = reset( $post_type ); $this->queried_object = get_post_type_object( $post_type ); } elseif ( $this->is_posts_page ) { $page_for_posts = get_option('page_for_posts'); $this->queried_object = get_post( $page_for_posts ); $this->queried_object_id = (int) $this->queried_object->ID; } elseif ( $this->is_singular && ! empty( $this->post ) ) { $this->queried_object = $this->post; $this->queried_object_id = (int) $this->post->ID; } elseif ( $this->is_author ) { $this->queried_object_id = (int) $this->get('author'); $this->queried_object = get_userdata( $this->queried_object_id ); }
return $this->queried_object; }
/** * Retrieve ID of the current queried object. * * @since 1.5.0 * @access public * * @return int */ public function get_queried_object_id() { $this->get_queried_object();
if ( isset($this->queried_object_id) ) { return $this->queried_object_id; }
return 0; }
/** * Constructor. * * Sets up the WordPress query, if parameter is not empty. * * @since 1.5.0 * @access public * * @param string|array $query URL query string or array of vars. */ public function __construct($query = '') { if ( ! empty($query) ) { $this->query($query); } }
/** * Make private properties readable for backwards compatibility. * * @since 4.0.0 * @access public * * @param string $name Property to get. * @return mixed Property. */ public function __get( $name ) { if ( in_array( $name, $this->compat_fields ) ) { return $this->$name; } }
/** * Make private properties checkable for backwards compatibility. * * @since 4.0.0 * @access public * * @param string $name Property to check if set. * @return bool Whether the property is set. */ public function __isset( $name ) { if ( in_array( $name, $this->compat_fields ) ) { return isset( $this->$name ); } }
/** * Make private/protected methods readable for backwards compatibility. * * @since 4.0.0 * @access public * * @param callable $name Method to call. * @param array $arguments Arguments to pass when calling. * @return mixed|bool Return value of the callback, false otherwise. */ public function __call( $name, $arguments ) { if ( in_array( $name, $this->compat_methods ) ) { return call_user_func_array( array( $this, $name ), $arguments ); } return false; }
/** * Is the query for an existing archive page? * * Month, Year, Category, Author, Post Type archive... * * @since 3.1.0 * * @return bool */ public function is_archive() { return (bool) $this->is_archive; }
/** * Is the query for an existing post type archive page? * * @since 3.1.0 * * @param mixed $post_types Optional. Post type or array of posts types to check against. * @return bool */ public function is_post_type_archive( $post_types = '' ) { if ( empty( $post_types ) || ! $this->is_post_type_archive ) return (bool) $this->is_post_type_archive;
$post_type = $this->get( 'post_type' ); if ( is_array( $post_type ) ) $post_type = reset( $post_type ); $post_type_object = get_post_type_object( $post_type );
return in_array( $post_type_object->name, (array) $post_types ); }
/** * Is the query for an existing attachment page? * * @since 3.1.0 * * @param mixed $attachment Attachment ID, title, slug, or array of such. * @return bool */ public function is_attachment( $attachment = '' ) { if ( ! $this->is_attachment ) { return false; }
if ( empty( $attachment ) ) { return true; }
$attachment = (array) $attachment;
$post_obj = $this->get_queried_object();
if ( in_array( (string) $post_obj->ID, $attachment ) ) { return true; } elseif ( in_array( $post_obj->post_title, $attachment ) ) { return true; } elseif ( in_array( $post_obj->post_name, $attachment ) ) { 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 mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames * @return bool */ public function is_author( $author = '' ) { if ( !$this->is_author ) return false;
if ( empty($author) ) return true;
$author_obj = $this->get_queried_object();
$author = (array) $author;
if ( in_array( (string) $author_obj->ID, $author ) ) return true; elseif ( in_array( $author_obj->nickname, $author ) ) return true; elseif ( in_array( $author_obj->user_nicename, $author ) ) 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 mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs. * @return bool */ public function is_category( $category = '' ) { if ( !$this->is_category ) return false;
if ( empty($category) ) return true;
$cat_obj = $this->get_queried_object();
$category = (array) $category;
if ( in_array( (string) $cat_obj->term_id, $category ) ) return true; elseif ( in_array( $cat_obj->name, $category ) ) return true; elseif ( in_array( $cat_obj->slug, $category ) ) 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 mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs. * @return bool */ public function is_tag( $tag = '' ) { if ( ! $this->is_tag ) return false;
if ( empty( $tag ) ) return true;
$tag_obj = $this->get_queried_object();
$tag = (array) $tag;
if ( in_array( (string) $tag_obj->term_id, $tag ) ) return true; elseif ( in_array( $tag_obj->name, $tag ) ) return true; elseif ( in_array( $tag_obj->slug, $tag ) ) return true;
return false; }
/** * Is the query for an existing 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 * * @param mixed $taxonomy Optional. Taxonomy slug or slugs. * @param mixed $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs. * @return bool */ public function is_tax( $taxonomy = '', $term = '' ) { global $wp_taxonomies;
if ( !$this->is_tax ) return false;
if ( empty( $taxonomy ) ) return true;
$queried_object = $this->get_queried_object(); $tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy ); $term_array = (array) $term;
// Check that the taxonomy matches. if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array ) ) ) return false;
// Only a Taxonomy provided. if ( empty( $term ) ) return true;
return isset( $queried_object->term_id ) && count( array_intersect( array( $queried_object->term_id, $queried_object->name, $queried_object->slug ), $term_array ) ); }
/** * Whether the current URL is within the comments popup window. * * @since 3.1.0 * * @return bool */ public function is_comments_popup() { return (bool) $this->is_comments_popup; }
/** * Is the query for an existing date archive? * * @since 3.1.0 * * @return bool */ public function is_date() { return (bool) $this->is_date; }
/** * Is the query for an existing day archive? * * @since 3.1.0 * * @return bool */ public function is_day() { return (bool) $this->is_day; }
/** * Is the query for a feed? * * @since 3.1.0 * * @param string|array $feeds Optional feed types to check. * @return bool */ public function is_feed( $feeds = '' ) { if ( empty( $feeds ) || ! $this->is_feed ) return (bool) $this->is_feed; $qv = $this->get( 'feed' ); if ( 'feed' == $qv ) $qv = get_default_feed(); return in_array( $qv, (array) $feeds ); }
/** * Is the query for a comments feed? * * @since 3.1.0 * * @return bool */ public function is_comment_feed() { return (bool) $this->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 "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'. * * If you set a static page for the front page of your site, this function will return * true when viewing that page. * * Otherwise the same as @see WP_Query::is_home() * * @since 3.1.0 * * @return bool True, if front of site. */ public function is_front_page() { // most likely case if ( 'posts' == get_option( 'show_on_front') && $this->is_home() ) return true; elseif ( 'page' == get_option( 'show_on_front') && get_option( 'page_on_front' ) && $this->is_page( get_option( 'page_on_front' ) ) ) return true; else return false; }
/** * 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 "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'. * * If you set a static page for the front page of your site, this function will return * true only on the page you set as the "Posts page". * * @see WP_Query::is_front_page() * * @since 3.1.0 * * @return bool True if blog view homepage. */ public function is_home() { return (bool) $this->is_home; }
/** * Is the query for an existing month archive? * * @since 3.1.0 * * @return bool */ public function is_month() { return (bool) $this->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. * * @see WP_Query::is_single() * @see WP_Query::is_singular() * * @since 3.1.0 * * @param mixed $page Page ID, title, slug, path, or array of such. * @return bool */ public function is_page( $page = '' ) { if ( !$this->is_page ) return false;
if ( empty( $page ) ) return true;
$page_obj = $this->get_queried_object();
$page = (array) $page;
if ( in_array( (string) $page_obj->ID, $page ) ) { return true; } elseif ( in_array( $page_obj->post_title, $page ) ) { return true; } elseif ( in_array( $page_obj->post_name, $page ) ) { return true; } else { foreach ( $page as $pagepath ) { if ( ! strpos( $pagepath, '/' ) ) { continue; } $pagepath_obj = get_page_by_path( $pagepath );
if ( $pagepath_obj && ( $pagepath_obj->ID == $page_obj->ID ) ) { return true; } } }
return false; }
/** * Is the query for paged result and not for the first page? * * @since 3.1.0 * * @return bool */ public function is_paged() { return (bool) $this->is_paged; }
/** * Is the query for a post or page preview? * * @since 3.1.0 * * @return bool */ public function is_preview() { return (bool) $this->is_preview; }
/** * Is the query for the robots file? * * @since 3.1.0 * * @return bool */ public function is_robots() { return (bool) $this->is_robots; }
/** * Is the query for a search? * * @since 3.1.0 * * @return bool */ public function is_search() { return (bool) $this->is_search; }
/** * Is the query for an existing single post? * * Works for any post type, except attachments and pages * * If the $post parameter is specified, this function will additionally * check if the query is for one of the Posts specified. * * @see WP_Query::is_page() * @see WP_Query::is_singular() * * @since 3.1.0 * * @param mixed $post Post ID, title, slug, path, or array of such. * @return bool */ public function is_single( $post = '' ) { if ( !$this->is_single ) return false;
if ( empty($post) ) return true;
$post_obj = $this->get_queried_object();
$post = (array) $post;
if ( in_array( (string) $post_obj->ID, $post ) ) { return true; } elseif ( in_array( $post_obj->post_title, $post ) ) { return true; } elseif ( in_array( $post_obj->post_name, $post ) ) { return true; } else { foreach ( $post as $postpath ) { if ( ! strpos( $postpath, '/' ) ) { continue; } $postpath_obj = get_page_by_path( $postpath, OBJECT, $post_obj->post_type );
if ( $postpath_obj && ( $postpath_obj->ID == $post_obj->ID ) ) { return true; } } } return false; }
/** * Is the query for an existing single post of any post type (post, attachment, page, ... )? * * If the $post_types parameter is specified, this function will additionally * check if the query is for one of the Posts Types specified. * * @see WP_Query::is_page() * @see WP_Query::is_single() * * @since 3.1.0 * * @param mixed $post_types Optional. Post Type or array of Post Types * @return bool */ public function is_singular( $post_types = '' ) { if ( empty( $post_types ) || !$this->is_singular ) return (bool) $this->is_singular;
$post_obj = $this->get_queried_object();
return in_array( $post_obj->post_type, (array) $post_types ); }
/** * Is the query for a specific time? * * @since 3.1.0 * * @return bool */ public function is_time() { return (bool) $this->is_time; }
/** * Is the query for a trackback endpoint call? * * @since 3.1.0 * * @return bool */ public function is_trackback() { return (bool) $this->is_trackback; }
/** * Is the query for an existing year archive? * * @since 3.1.0 * * @return bool */ public function is_year() { return (bool) $this->is_year; }
/** * Is the query a 404 (returns no results)? * * @since 3.1.0 * * @return bool */ public function is_404() { return (bool) $this->is_404; }
/** * Is the query the main query? * * @since 3.3.0 * * @return bool */ public function is_main_query() { global $wp_the_query; return $wp_the_query === $this; }
/** * Set up global post data. * * @since 4.1.0 * * @param WP_Post $post Post data. * @return bool True when finished. */ public function setup_postdata( $post ) { global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;
$id = (int) $post->ID;
$authordata = get_userdata($post->post_author);
$currentday = mysql2date('d.m.y', $post->post_date, false); $currentmonth = mysql2date('m', $post->post_date, false); $numpages = 1; $multipage = 0; $page = $this->get( 'page' ); if ( ! $page ) $page = 1;
/* * Force full post content when viewing the permalink for the $post, * or when on an RSS feed. Otherwise respect the 'more' tag. */ if ( $post->ID === get_queried_object_id() && ( $this->is_page() || $this->is_single() ) ) { $more = 1; } elseif ( $this->is_feed() ) { $more = 1; } else { $more = 0; }
$content = $post->post_content; if ( false !== strpos( $content, '<!--nextpage-->' ) ) { if ( $page > 1 ) $more = 1; $content = str_replace( "\n<!--nextpage-->\n", '<!--nextpage-->', $content ); $content = str_replace( "\n<!--nextpage-->", '<!--nextpage-->', $content ); $content = str_replace( "<!--nextpage-->\n", '<!--nextpage-->', $content );
// Ignore nextpage at the beginning of the content. if ( 0 === strpos( $content, '<!--nextpage-->' ) ) $content = substr( $content, 15 );
$pages = explode('<!--nextpage-->', $content); $numpages = count($pages); if ( $numpages > 1 ) $multipage = 1; } else { $pages = array( $post->post_content ); }
/** * Fires once the post data has been setup. * * @since 2.8.0 * @since 4.1.0 Introduced `$this` parameter. * * @param WP_Post &$post The Post object (passed by reference). * @param WP_Query &$this The current Query object (passed by reference). */ do_action_ref_array( 'the_post', array( &$post, &$this ) );
return true; } /** * After looping through a nested query, this function * restores the $post global to the current post in this query. * * @since 3.7.0 */ public function reset_postdata() { if ( ! empty( $this->post ) ) { $GLOBALS['post'] = $this->post; setup_postdata( $this->post ); } } }
/** * Redirect old slugs to the correct permalink. * * Attempts to find the current slug from the past slugs. * * @since 2.1.0 * * @uses $wp_query * @global wpdb $wpdb WordPress database abstraction object. * * @return null If no link is found, null is returned. */ function wp_old_slug_redirect() { global $wp_query; if ( is_404() && '' != $wp_query->query_vars['name'] ) : global $wpdb;
// Guess the current post_type based on the query vars. if ( get_query_var('post_type') ) $post_type = get_query_var('post_type'); elseif ( !empty($wp_query->query_vars['pagename']) ) $post_type = 'page'; else $post_type = 'post';
if ( is_array( $post_type ) ) { if ( count( $post_type ) > 1 ) return; $post_type = reset( $post_type ); }
// Do not attempt redirect for hierarchical post types if ( is_post_type_hierarchical( $post_type ) ) return;
$query = $wpdb->prepare("SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, $wp_query->query_vars['name']);
// if year, monthnum, or day have been specified, make our query more precise // just in case there are multiple identical _wp_old_slug values if ( '' != $wp_query->query_vars['year'] ) $query .= $wpdb->prepare(" AND YEAR(post_date) = %d", $wp_query->query_vars['year']); if ( '' != $wp_query->query_vars['monthnum'] ) $query .= $wpdb->prepare(" AND MONTH(post_date) = %d", $wp_query->query_vars['monthnum']); if ( '' != $wp_query->query_vars['day'] ) $query .= $wpdb->prepare(" AND DAYOFMONTH(post_date) = %d", $wp_query->query_vars['day']);
$id = (int) $wpdb->get_var($query);
if ( ! $id ) return;
$link = get_permalink($id);
if ( !$link ) return;
wp_redirect( $link, 301 ); // Permanent redirect exit; endif; }
/** * Set up global post data. * * @since 1.5.0 * * @param object $post Post data. * @return bool True when finished. */ function setup_postdata( $post ) { global $wp_query;
if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) { return $wp_query->setup_postdata( $post ); }
return false; }
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