* @since 1.5.0
* @uses $wp_query
*
- * @param string $var The variable key to retrieve.
+ * @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) {
+function get_query_var( $var, $default = '' ) {
global $wp_query;
- return $wp_query->get($var);
+ return $wp_query->get( $var, $default );
}
/**
*/
function wp_reset_postdata() {
global $wp_query;
- $wp_query->reset_postdata();
+
+ if ( isset( $wp_query ) ) {
+ $wp_query->reset_postdata();
+ }
}
/*
* @since 2.0.0
* @uses $wp_query
*
+ * @param mixed $attachment Attachment ID, title, slug, or array of such.
* @return bool
*/
-function is_attachment() {
+function is_attachment( $attachment = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
return false;
}
- return $wp_query->is_attachment();
+ return $wp_query->is_attachment( $attachment );
}
/**
* @access public
* @var array
*/
- var $query;
+ public $query;
/**
* Query vars, after parsing
* @access public
* @var array
*/
- var $query_vars = array();
+ public $query_vars = array();
/**
* Taxonomy query, as passed to get_tax_sql()
* @access public
* @var object WP_Tax_Query
*/
- var $tax_query;
+ public $tax_query;
/**
* Metadata query container
* @access public
* @var object WP_Meta_Query
*/
- var $meta_query = false;
+ public $meta_query = false;
/**
* Date query container
* @access public
* @var object WP_Date_Query
*/
- var $date_query = false;
+ public $date_query = false;
/**
* Holds the data for a single object that is queried.
* @access public
* @var object|array
*/
- var $queried_object;
+ public $queried_object;
/**
* The ID of the queried object.
* @access public
* @var int
*/
- var $queried_object_id;
+ public $queried_object_id;
/**
* Get post database query.
* @access public
* @var string
*/
- var $request;
+ public $request;
/**
* List of posts.
* @access public
* @var array
*/
- var $posts;
+ public $posts;
/**
* The amount of posts for the current query.
* @access public
* @var int
*/
- var $post_count = 0;
+ public $post_count = 0;
/**
* Index of the current item in the loop.
* @access public
* @var int
*/
- var $current_post = -1;
+ public $current_post = -1;
/**
* Whether the loop has started and the caller is in the loop.
* @access public
* @var bool
*/
- var $in_the_loop = false;
+ public $in_the_loop = false;
/**
* The current post.
* @access public
* @var WP_Post
*/
- var $post;
+ public $post;
/**
* The list of comments for current post.
* @access public
* @var array
*/
- var $comments;
+ public $comments;
/**
* The amount of comments for the posts.
* @access public
* @var int
*/
- var $comment_count = 0;
+ public $comment_count = 0;
/**
* The index of the comment in the comment loop.
* @access public
* @var int
*/
- var $current_comment = -1;
+ public $current_comment = -1;
/**
* Current comment ID.
* @access public
* @var int
*/
- var $comment;
+ public $comment;
/**
* The amount of found posts for the current query.
* @access public
* @var int
*/
- var $found_posts = 0;
+ public $found_posts = 0;
/**
* The amount of pages.
* @access public
* @var int
*/
- var $max_num_pages = 0;
+ public $max_num_pages = 0;
/**
* The amount of comment pages.
* @access public
* @var int
*/
- var $max_num_comment_pages = 0;
+ public $max_num_comment_pages = 0;
/**
* Set if query is single post.
* @access public
* @var bool
*/
- var $is_single = false;
+ public $is_single = false;
/**
* Set if query is preview of blog.
* @access public
* @var bool
*/
- var $is_preview = false;
+ public $is_preview = false;
/**
* Set if query returns a page.
* @access public
* @var bool
*/
- var $is_page = false;
+ public $is_page = false;
/**
* Set if query is an archive list.
* @access public
* @var bool
*/
- var $is_archive = false;
+ public $is_archive = false;
/**
* Set if query is part of a date.
* @access public
* @var bool
*/
- var $is_date = false;
+ public $is_date = false;
/**
* Set if query contains a year.
* @access public
* @var bool
*/
- var $is_year = false;
+ public $is_year = false;
/**
* Set if query contains a month.
* @access public
* @var bool
*/
- var $is_month = false;
+ public $is_month = false;
/**
* Set if query contains a day.
* @access public
* @var bool
*/
- var $is_day = false;
+ public $is_day = false;
/**
* Set if query contains time.
* @access public
* @var bool
*/
- var $is_time = false;
+ public $is_time = false;
/**
* Set if query contains an author.
* @access public
* @var bool
*/
- var $is_author = false;
+ public $is_author = false;
/**
* Set if query contains category.
* @access public
* @var bool
*/
- var $is_category = false;
+ public $is_category = false;
/**
* Set if query contains tag.
* @access public
* @var bool
*/
- var $is_tag = false;
+ public $is_tag = false;
/**
* Set if query contains taxonomy.
* @access public
* @var bool
*/
- var $is_tax = false;
+ public $is_tax = false;
/**
* Set if query was part of a search result.
* @access public
* @var bool
*/
- var $is_search = false;
+ public $is_search = false;
/**
* Set if query is feed display.
* @access public
* @var bool
*/
- var $is_feed = false;
+ public $is_feed = false;
/**
* Set if query is comment feed display.
* @access public
* @var bool
*/
- var $is_comment_feed = false;
+ public $is_comment_feed = false;
/**
* Set if query is trackback.
* @access public
* @var bool
*/
- var $is_trackback = false;
+ public $is_trackback = false;
/**
* Set if query is blog homepage.
* @access public
* @var bool
*/
- var $is_home = false;
+ public $is_home = false;
/**
* Set if query couldn't found anything.
* @access public
* @var bool
*/
- var $is_404 = false;
+ public $is_404 = false;
/**
* Set if query is within comments popup window.
* @access public
* @var bool
*/
- var $is_comments_popup = false;
+ public $is_comments_popup = false;
/**
* Set if query is paged
* @access public
* @var bool
*/
- var $is_paged = false;
+ public $is_paged = false;
/**
* Set if query is part of administration page.
* @access public
* @var bool
*/
- var $is_admin = false;
+ public $is_admin = false;
/**
* Set if query is an attachment.
* @access public
* @var bool
*/
- var $is_attachment = false;
+ public $is_attachment = false;
/**
* Set if is single, is a page, or is an attachment.
* @access public
* @var bool
*/
- var $is_singular = false;
+ public $is_singular = false;
/**
* Set if query is for robots.
* @access public
* @var bool
*/
- var $is_robots = false;
+ public $is_robots = false;
/**
* Set if query contains posts.
* @access public
* @var bool
*/
- var $is_posts_page = false;
+ public $is_posts_page = false;
/**
* Set if query is for a post type archive.
* @access public
* @var bool
*/
- var $is_post_type_archive = false;
+ public $is_post_type_archive = false;
/**
* Stores the ->query_vars state like md5(serialize( $this->query_vars ) ) so we know
* @since 3.1.0
* @access private
*/
- var $query_vars_hash = false;
+ private $query_vars_hash = false;
/**
* Whether query vars have changed since the initial parse_query() call. Used to catch modifications to query vars made
* @since 3.1.1
* @access private
*/
- var $query_vars_changed = true;
+ private $query_vars_changed = true;
/**
* Set if post thumbnails are cached
* @access public
* @var bool
*/
- var $thumbnails_cached = false;
+ public $thumbnails_cached = false;
/**
* Cached list of search stopwords.
* @since 2.0.0
* @access private
*/
- function init_query_flags() {
+ private function init_query_flags() {
$this->is_single = false;
$this->is_preview = false;
$this->is_page = false;
* @since 1.5.0
* @access public
*/
- function init() {
+ public function init() {
unset($this->posts);
unset($this->query);
$this->query_vars = array();
* @since 1.5.0
* @access public
*/
- function parse_query_vars() {
+ public function parse_query_vars() {
$this->parse_query();
}
* @param array $array Defined query variables.
* @return array Complete query variables with undefined ones filled in empty.
*/
- function fill_query_vars($array) {
+ public function fill_query_vars($array) {
$keys = array(
'error'
, 'm'
* @since 1.5.0
* @access public
*
- * @param string|array $query Optional query.
+ * @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 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 $orderby Sort retrieved posts by parameter. One or more options can be
+ * passed. To use 'meta_value', or 'meta_value_num',
+ * 'meta_key=keyname' must be also be defined. Default 'date'.
+ * Accepts 'none', 'name', 'author', 'date', 'title', 'modified',
+ * 'menu_order', 'parent', 'ID', 'rand', 'comment_count'.
+ * @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.
+ * }
*/
- function parse_query( $query = '' ) {
+ public function parse_query( $query = '' ) {
if ( ! empty( $query ) ) {
$this->init();
$this->query = $this->query_vars = wp_parse_args( $query );
$this->is_page = true;
$this->is_single = false;
} else {
- // Look for archive queries. Dates, categories, authors, search, post type archives.
+ // Look for archive queries. Dates, categories, authors, search, post type archives.
- if ( !empty($qv['s']) ) {
+ if ( isset( $this->query['s'] ) ) {
$this->is_search = true;
}
$this->query_vars_hash = md5( serialize( $this->query_vars ) );
$this->query_vars_changed = false;
- do_action_ref_array('parse_query', array(&$this));
+ /**
+ * 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
*
}
// Category stuff
- if ( !empty($q['cat']) && '0' != $q['cat'] && !$this->is_singular && $this->query_vars_changed ) {
- $q['cat'] = ''.urldecode($q['cat']).'';
- $q['cat'] = addslashes_gpc($q['cat']);
- $cat_array = preg_split('/[,\s]+/', $q['cat']);
- $q['cat'] = '';
- $req_cats = array();
- foreach ( (array) $cat_array as $cat ) {
- $cat = intval($cat);
- $req_cats[] = $cat;
- $in = ($cat > 0);
- $cat = abs($cat);
- if ( $in ) {
- $q['category__in'][] = $cat;
- $q['category__in'] = array_merge( $q['category__in'], get_term_children($cat, 'category') );
- } else {
- $q['category__not_in'][] = $cat;
- $q['category__not_in'] = array_merge( $q['category__not_in'], get_term_children($cat, 'category') );
- }
+ 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 );
}
- $q['cat'] = implode(',', $req_cats);
+
+ 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'] ) ) {
$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 );
}
*
* @since 3.7.0
*
- * @global type $wpdb
+ * @global wpdb $wpdb
* @param array $q Query variables.
+ * @return string WHERE clause.
*/
protected function parse_search( &$q ) {
global $wpdb;
$searchand = '';
$q['search_orderby_title'] = array();
foreach ( $q['search_terms'] as $term ) {
- $term = like_escape( esc_sql( $term ) );
- if ( $n )
- $q['search_orderby_title'][] = "$wpdb->posts.post_title LIKE '%$term%'";
+ if ( $n ) {
+ $like = '%' . $wpdb->esc_like( $term ) . '%';
+ $q['search_orderby_title'][] = $wpdb->prepare( "$wpdb->posts.post_title LIKE %s", $like );
+ }
- $search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))";
+ $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 ';
}
else
$term = trim( $term, "\"' " );
- // \p{L} matches a single letter that is not a Chinese, Japanese, etc. char
- if ( ! $term || preg_match( '/^\p{L}$/u', $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 ) )
$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 ( $word )
protected function parse_search_order( &$q ) {
global $wpdb;
- $search_orderby = '';
-
if ( $q['search_terms_count'] > 1 ) {
$num_terms = count( $q['search_orderby_title'] );
- $search_orderby_s = like_escape( esc_sql( $q['s'] ) );
+ $like = '%' . $wpdb->esc_like( $q['s'] ) . '%';
$search_orderby = '(CASE ';
// sentence match in 'post_title'
- $search_orderby .= "WHEN $wpdb->posts.post_title LIKE '%{$search_orderby_s}%' THEN 1 ";
+ $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)
}
// sentence match in 'post_content'
- $search_orderby .= "WHEN $wpdb->posts.post_content LIKE '%{$search_orderby_s}%' THEN 4 ";
+ $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
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 access 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',
+ );
+
+ $meta_key = $this->get( 'meta_key' );
+ if ( ! empty( $meta_key ) ) {
+ $allowed_keys[] = $meta_key;
+ $allowed_keys[] = 'meta_value';
+ $allowed_keys[] = 'meta_value_num';
+ }
+
+ 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':
+ $orderby = "$wpdb->posts.{$orderby}";
+ break;
+ case 'rand':
+ $orderby = 'RAND()';
+ break;
+ case $meta_key:
+ case 'meta_value':
+ $type = $this->get( 'meta_type' );
+ if ( ! empty( $type ) ) {
+ $meta_type = $this->meta_query->get_cast_for_type( $type );
+ $orderby = "CAST($wpdb->postmeta.meta_value AS {$meta_type})";
+ } else {
+ $orderby = "$wpdb->postmeta.meta_value";
+ }
+ break;
+ case 'meta_value_num':
+ $orderby = "$wpdb->postmeta.meta_value+0";
+ break;
+ default:
+ $orderby = "$wpdb->posts.post_" . $orderby;
+ break;
+ }
+
+ return $orderby;
+ }
+
+ /**
+ * 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
*/
- function set_404() {
+ public function set_404() {
$is_feed = $this->is_feed;
$this->init_query_flags();
* @access public
*
* @param string $query_var Query variable key.
+ * @param mixed $default Value to return if the query variable is not set. Default ''.
* @return mixed
*/
- function get($query_var) {
- if ( isset($this->query_vars[$query_var]) )
- return $this->query_vars[$query_var];
+ public function get( $query_var, $default = '' ) {
+ if ( isset( $this->query_vars[ $query_var ] ) ) {
+ return $this->query_vars[ $query_var ];
+ }
- return '';
+ return $default;
}
/**
* @param string $query_var Query variable key.
* @param mixed $value Query variable value.
*/
- function set($query_var, $value) {
+ public function set($query_var, $value) {
$this->query_vars[$query_var] = $value;
}
*
* @return array List of posts.
*/
- function get_posts() {
+ public function get_posts() {
global $wpdb;
$this->parse_query();
- do_action_ref_array('pre_get_posts', array(&$this));
+ /**
+ * 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;
$join = '';
$search = '';
$groupby = '';
- $fields = '';
$post_status_join = false;
$page = 1;
$q['post_type'] = '';
}
$post_type = $q['post_type'];
- if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
- $q['posts_per_page'] = get_option('posts_per_page');
+ 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'];
$q['nopaging'] = false;
}
}
+
if ( $this->is_feed ) {
- $q['posts_per_page'] = get_option('posts_per_rss');
+ // 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) $q['posts_per_page'];
if ( !$ptype_obj || !$ptype_obj->query_var || empty($q[ $ptype_obj->query_var ]) )
continue;
- if ( ! $ptype_obj->hierarchical || strpos($q[ $ptype_obj->query_var ], '/') === false ) {
- // Non-hierarchical post_types & parent-level-hierarchical post_types can directly use 'name'
+ 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 the
+ // Hierarchical post types will operate through 'pagename'.
$q['pagename'] = $q[ $ptype_obj->query_var ];
$q['name'] = '';
}
}
// If a search pattern is specified, load the posts that match.
- if ( ! empty( $q['s'] ) )
+ if ( ! empty( $q['s'] ) ) {
$search = $this->parse_search( $q );
+ }
/**
* Filter the search SQL that is used in the WHERE clause of WP_Query.
$where .= $search . $whichauthor . $whichmimetype;
- if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) )
+ if ( ! isset( $q['order'] ) ) {
$q['order'] = 'DESC';
+ } else {
+ $q['order'] = $this->parse_order( $q['order'] );
+ }
- // Order by
- if ( empty($q['orderby']) ) {
- $orderby = "$wpdb->posts.post_date " . $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 ) ) {
} elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) {
$orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )";
} else {
- // Used to filter values
- $allowed_keys = array('name', 'author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count');
- if ( !empty($q['meta_key']) ) {
- $allowed_keys[] = $q['meta_key'];
- $allowed_keys[] = 'meta_value';
- $allowed_keys[] = 'meta_value_num';
- }
- $q['orderby'] = urldecode($q['orderby']);
- $q['orderby'] = addslashes_gpc($q['orderby']);
-
$orderby_array = array();
- foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) {
- // Only allow certain values for safety
- if ( ! in_array($orderby, $allowed_keys) )
- continue;
+ if ( is_array( $q['orderby'] ) ) {
+ foreach ( $q['orderby'] as $_orderby => $order ) {
+ $orderby = addslashes_gpc( urldecode( $_orderby ) );
+ $parsed = $this->parse_orderby( $orderby );
- switch ( $orderby ) {
- case 'menu_order':
- $orderby = "$wpdb->posts.menu_order";
- break;
- case 'ID':
- $orderby = "$wpdb->posts.ID";
- break;
- case 'rand':
- $orderby = 'RAND()';
- break;
- case $q['meta_key']:
- case 'meta_value':
- if ( isset( $q['meta_type'] ) ) {
- $meta_type = $this->meta_query->get_cast_for_type( $q['meta_type'] );
- $orderby = "CAST($wpdb->postmeta.meta_value AS {$meta_type})";
- } else {
- $orderby = "$wpdb->postmeta.meta_value";
- }
- break;
- case 'meta_value_num':
- $orderby = "$wpdb->postmeta.meta_value+0";
- break;
- case 'comment_count':
- $orderby = "$wpdb->posts.comment_count";
- break;
- default:
- $orderby = "$wpdb->posts.post_" . $orderby;
+ if ( ! $parsed ) {
+ continue;
+ }
+
+ $orderby_array[] = $parsed . ' ' . $this->parse_order( $order );
}
+ $orderby = implode( ', ', $orderby_array );
- $orderby_array[] = $orderby;
- }
- $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;
+ }
- if ( empty( $orderby ) )
- $orderby = "$wpdb->posts.post_date ".$q['order'];
- else
- $orderby .= " {$q['order']}";
+ $orderby_array[] = $parsed;
+ }
+ $orderby = implode( ' ' . $q['order'] . ', ', $orderby_array );
+
+ if ( empty( $orderby ) ) {
+ $orderby = "$wpdb->posts.post_date ".$q['order'];
+ } else {
+ $orderby .= " {$q['order']}";
+ }
+ }
}
// Order search results by relevance only when another "orderby" is not specified in the query.
$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 ) )
$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 )
- $e_status[] = "$wpdb->posts.post_status <> '$status'";
+ 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 ) ) {
foreach ( $statuswheres as $index => $statuswhere )
$statuswheres[$index] = "($statuswhere OR ($wpdb->posts.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))";
}
- foreach ( $statuswheres as $statuswhere )
- $where .= " AND $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'";
$where .= $clauses['where'];
}
- // Apply filters on where and join prior to paging so that any
- // manipulations to them are reflected in the paging by day queries.
+ /*
+ * Apply filters on where and join prior to paging so that any
+ * manipulations to them are reflected in the paging by day queries.
+ */
if ( !$q['suppress_filters'] ) {
- $where = apply_filters_ref_array('posts_where', array( $where, &$this ) );
- $join = apply_filters_ref_array('posts_join', array( $join, &$this ) );
+ /**
+ * 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
$page = 1;
if ( empty($q['offset']) ) {
- $pgstrt = ($page - 1) * $q['posts_per_page'] . ', ';
+ $pgstrt = absint( ( $page - 1 ) * $q['posts_per_page'] ) . ', ';
} else { // we're ignoring $page and using 'offset'
$q['offset'] = absint($q['offset']);
$pgstrt = $q['offset'] . ', ';
}
// Comments feeds
- if ( $this->is_comment_feed && ( $this->is_archive || $this->is_search || !$this->is_singular ) ) {
+ 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' $where";
}
if ( !$q['suppress_filters'] ) {
- $cjoin = apply_filters_ref_array('comment_feed_join', array( $cjoin, &$this ) );
- $cwhere = apply_filters_ref_array('comment_feed_where', array( $cwhere, &$this ) );
- $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( $cgroupby, &$this ) );
- $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
- $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+ /**
+ * 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 : '';
$pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
- // Apply post-paging filters on where and join. Only plugins that
- // manipulate paging queries should use these hooks.
+ /*
+ * Apply post-paging filters on where and join. Only plugins that
+ * manipulate paging queries should use these hooks.
+ */
if ( !$q['suppress_filters'] ) {
- $where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
- $groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
- $join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
- $orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
- $distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
- $limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
- $fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
-
- // Filter all clauses at once, for convenience
+ /**
+ * 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 ) );
- foreach ( $pieces as $piece )
- $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
+
+ $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' ] : '';
}
- // Announce current selection parameters. For use by caching plugins.
+ /**
+ * 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.
+ /*
+ * Filter again for the benefit of caching plugins.
+ * Regular plugins should use the hooks above.
+ */
if ( !$q['suppress_filters'] ) {
- $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
- $groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
- $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
- $orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
- $distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
- $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
- $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
-
- // Filter all clauses at once, for convenience
+ /**
+ * 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 ) );
- foreach ( $pieces as $piece )
- $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
+
+ $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) )
$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 ) );
}
$this->post_count = count( $this->posts );
$this->set_found_posts( $q, $limits );
- return $this->posts;
+ return array_map( 'intval', $this->posts );
}
if ( 'id=>parent' == $q['fields'] ) {
$this->set_found_posts( $q, $limits );
$r = array();
- foreach ( $this->posts as $post )
- $r[ $post->ID ] = $post->post_parent;
-
+ foreach ( $this->posts as $post ) {
+ $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 ) {
$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 ( $this->posts )
$this->posts = array_map( 'get_post', $this->posts );
- // Raw results filter. Prior to status checks.
- if ( !$q['suppress_filters'] )
- $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) );
+ 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 ) {
- $cjoin = apply_filters_ref_array('comment_feed_join', array( '', &$this ) );
- $cwhere = apply_filters_ref_array('comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
- $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( '', &$this ) );
+ /** 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 : '';
- $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
+
+ /** 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 : '';
- $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+
+ /** 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);
}
}
- if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) )
+ 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
}
}
- if ( !$q['suppress_filters'] )
- $this->posts = apply_filters_ref_array('the_posts', array( $this->posts, &$this ) );
+ 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.
* @since 3.5.0
* @access private
*/
- function set_found_posts( $q, $limits ) {
+ private function set_found_posts( $q, $limits ) {
global $wpdb;
// Bail if posts is an empty array. Continue if posts is an empty string,
if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) )
return;
- if ( ! empty( $limits ) )
+ 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
+ } 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 ) )
*
* @return WP_Post Next post.
*/
- function next_post() {
+ public function next_post() {
$this->current_post++;
* @uses $post
* @uses do_action_ref_array() Calls 'loop_start' if loop has just started
*/
- function the_post() {
+ public function the_post() {
global $post;
$this->in_the_loop = true;
if ( $this->current_post == -1 ) // loop has just started
- do_action_ref_array('loop_start', array(&$this));
+ /**
+ * 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 = $this->next_post();
setup_postdata($post);
*
* @return bool True if posts are available, false if end of loop.
*/
- function have_posts() {
+ public function have_posts() {
if ( $this->current_post + 1 < $this->post_count ) {
return true;
} elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
- do_action_ref_array('loop_end', array(&$this));
+ /**
+ * 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();
}
* @since 1.5.0
* @access public
*/
- function rewind_posts() {
+ public function rewind_posts() {
$this->current_post = -1;
if ( $this->post_count > 0 ) {
$this->post = $this->posts[0];
*
* @return object Comment object.
*/
- function next_comment() {
+ public function next_comment() {
$this->current_comment++;
$this->comment = $this->comments[$this->current_comment];
* @global object $comment Current comment.
* @uses do_action() Calls 'comment_loop_start' hook when first comment is processed.
*/
- function the_comment() {
+ public function the_comment() {
global $comment;
$comment = $this->next_comment();
if ( $this->current_comment == 0 ) {
- do_action('comment_loop_start');
+ /**
+ * Fires once the comment loop is started.
+ *
+ * @since 2.2.0
+ */
+ do_action( 'comment_loop_start' );
}
}
*
* @return bool True, if more comments. False, if no more posts.
*/
- function have_comments() {
+ public function have_comments() {
if ( $this->current_comment + 1 < $this->comment_count ) {
return true;
} elseif ( $this->current_comment + 1 == $this->comment_count ) {
* @since 2.2.0
* @access public
*/
- function rewind_comments() {
+ public function rewind_comments() {
$this->current_comment = -1;
if ( $this->comment_count > 0 ) {
$this->comment = $this->comments[0];
* @param string $query URL query string.
* @return array List of posts.
*/
- function query( $query ) {
+ public function query( $query ) {
$this->init();
$this->query = $this->query_vars = wp_parse_args( $query );
return $this->get_posts();
*
* @return object
*/
- function get_queried_object() {
+ public function get_queried_object() {
if ( isset($this->queried_object) )
return $this->queried_object;
$this->queried_object_id = 0;
if ( $this->is_category || $this->is_tag || $this->is_tax ) {
- $tax_query_in_and = wp_list_filter( $this->tax_query->queries, array( 'operator' => 'NOT IN' ), 'NOT' );
-
- $query = reset( $tax_query_in_and );
+ 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 {
+ $tax_query_in_and = wp_list_filter( $this->tax_query->queries, array( 'operator' => 'NOT IN' ), 'NOT' );
+ $query = reset( $tax_query_in_and );
- if ( 'term_id' == $query['field'] )
- $term = get_term( reset( $query['terms'] ), $query['taxonomy'] );
- elseif ( $query['terms'] )
- $term = get_term_by( $query['field'], reset( $query['terms'] ), $query['taxonomy'] );
+ if ( $query['terms'] ) {
+ if ( 'term_id' == $query['field'] ) {
+ $term = get_term( reset( $query['terms'] ), $query['taxonomy'] );
+ } else {
+ $term = get_term_by( $query['field'], reset( $query['terms'] ), $query['taxonomy'] );
+ }
+ }
+ }
if ( ! empty( $term ) && ! is_wp_error( $term ) ) {
$this->queried_object = $term;
$this->queried_object_id = (int) $term->term_id;
- if ( $this->is_category )
+ if ( $this->is_category && 'category' === $this->queried_object->taxonomy )
_make_cat_compat( $this->queried_object );
}
} elseif ( $this->is_post_type_archive ) {
$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 ( $this->is_singular && !is_null($this->post) ) {
+ } elseif ( $this->is_singular && ! empty( $this->post ) ) {
$this->queried_object = $this->post;
$this->queried_object_id = (int) $this->post->ID;
} elseif ( $this->is_author ) {
*
* @return int
*/
- function get_queried_object_id() {
+ public function get_queried_object_id() {
$this->get_queried_object();
if ( isset($this->queried_object_id) ) {
* @param string $query URL query string.
* @return WP_Query
*/
- function __construct($query = '') {
+ 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 ) {
+ return $this->$name;
+ }
+
+ /**
+ * Make private properties settable 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 ) {
+ return isset( $this->$name );
+ }
+
+ /**
+ * Make private properties settable for backwards compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param string $name Property to unset.
+ */
+ public function __unset( $name ) {
+ unset( $this->$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, otherwise false.
+ */
+ public function __call( $name, $arguments ) {
+ return call_user_func_array( array( $this, $name ), $arguments );
+ }
+
/**
* Is the query for an existing archive page?
*
*
* @return bool
*/
- function is_archive() {
+ public function is_archive() {
return (bool) $this->is_archive;
}
* @param mixed $post_types Optional. Post type or array of posts types to check against.
* @return bool
*/
- function is_post_type_archive( $post_types = '' ) {
+ public function is_post_type_archive( $post_types = '' ) {
if ( empty( $post_types ) || ! $this->is_post_type_archive )
return (bool) $this->is_post_type_archive;
*
* @since 3.1.0
*
+ * @param mixed $attachment Attachment ID, title, slug, or array of such.
* @return bool
*/
- function is_attachment() {
- return (bool) $this->is_attachment;
+ 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( $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;
}
/**
* @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
* @return bool
*/
- function is_author( $author = '' ) {
+ public function is_author( $author = '' ) {
if ( !$this->is_author )
return false;
* @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
* @return bool
*/
- function is_category( $category = '' ) {
+ public function is_category( $category = '' ) {
if ( !$this->is_category )
return false;
* @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
* @return bool
*/
- function is_tag( $tag = '' ) {
+ public function is_tag( $tag = '' ) {
if ( ! $this->is_tag )
return false;
* @param mixed $term. Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
* @return bool
*/
- function is_tax( $taxonomy = '', $term = '' ) {
+ public function is_tax( $taxonomy = '', $term = '' ) {
global $wp_taxonomies;
if ( !$this->is_tax )
*
* @return bool
*/
- function is_comments_popup() {
+ public function is_comments_popup() {
return (bool) $this->is_comments_popup;
}
*
* @return bool
*/
- function is_date() {
+ public function is_date() {
return (bool) $this->is_date;
}
*
* @return bool
*/
- function is_day() {
+ public function is_day() {
return (bool) $this->is_day;
}
* @param string|array $feeds Optional feed types to check.
* @return bool
*/
- function is_feed( $feeds = '' ) {
+ public function is_feed( $feeds = '' ) {
if ( empty( $feeds ) || ! $this->is_feed )
return (bool) $this->is_feed;
$qv = $this->get( 'feed' );
*
* @return bool
*/
- function is_comment_feed() {
+ public function is_comment_feed() {
return (bool) $this->is_comment_feed;
}
*
* @return bool True, if front of site.
*/
- function is_front_page() {
+ public function is_front_page() {
// most likely case
if ( 'posts' == get_option( 'show_on_front') && $this->is_home() )
return true;
*
* @return bool True if blog view homepage.
*/
- function is_home() {
+ public function is_home() {
return (bool) $this->is_home;
}
*
* @return bool
*/
- function is_month() {
+ public function is_month() {
return (bool) $this->is_month;
}
*
* @since 3.1.0
*
- * @param mixed $page Page ID, title, slug, or array of such.
+ * @param mixed $page Page ID, title, slug, path, or array of such.
* @return bool
*/
- function is_page( $page = '' ) {
+ public function is_page( $page = '' ) {
if ( !$this->is_page )
return false;
$page = (array) $page;
- if ( in_array( $page_obj->ID, $page ) )
+ if ( in_array( $page_obj->ID, $page ) ) {
return true;
- elseif ( in_array( $page_obj->post_title, $page ) )
+ } elseif ( in_array( $page_obj->post_title, $page ) ) {
return true;
- else if ( in_array( $page_obj->post_name, $page ) )
+ } else if ( 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;
}
*
* @return bool
*/
- function is_paged() {
+ public function is_paged() {
return (bool) $this->is_paged;
}
*
* @return bool
*/
- function is_preview() {
+ public function is_preview() {
return (bool) $this->is_preview;
}
*
* @return bool
*/
- function is_robots() {
+ public function is_robots() {
return (bool) $this->is_robots;
}
*
* @return bool
*/
- function is_search() {
+ public function is_search() {
return (bool) $this->is_search;
}
*
* @since 3.1.0
*
- * @param mixed $post Post ID, title, slug, or array of such.
+ * @param mixed $post Post ID, title, slug, path, or array of such.
* @return bool
*/
- function is_single( $post = '' ) {
+ public function is_single( $post = '' ) {
if ( !$this->is_single )
return false;
$post = (array) $post;
- if ( in_array( $post_obj->ID, $post ) )
+ if ( in_array( $post_obj->ID, $post ) ) {
return true;
- elseif ( in_array( $post_obj->post_title, $post ) )
+ } elseif ( in_array( $post_obj->post_title, $post ) ) {
return true;
- elseif ( in_array( $post_obj->post_name, $post ) )
+ } 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;
}
* @param mixed $post_types Optional. Post Type or array of Post Types
* @return bool
*/
- function is_singular( $post_types = '' ) {
+ public function is_singular( $post_types = '' ) {
if ( empty( $post_types ) || !$this->is_singular )
return (bool) $this->is_singular;
*
* @return bool
*/
- function is_time() {
+ public function is_time() {
return (bool) $this->is_time;
}
*
* @return bool
*/
- function is_trackback() {
+ public function is_trackback() {
return (bool) $this->is_trackback;
}
*
* @return bool
*/
- function is_year() {
+ public function is_year() {
return (bool) $this->is_year;
}
*
* @return bool
*/
- function is_404() {
+ public function is_404() {
return (bool) $this->is_404;
}
*
* @return bool
*/
- function is_main_query() {
+ public function is_main_query() {
global $wp_the_query;
return $wp_the_query === $this;
}
*
* @return bool
*/
- function reset_postdata() {
+ public function reset_postdata() {
if ( ! empty( $this->post ) ) {
$GLOBALS['post'] = $this->post;
setup_postdata( $this->post );
$pages = array( $post->post_content );
}
- do_action_ref_array('the_post', array(&$post));
+ /**
+ * Fires once the post data has been setup.
+ *
+ * @since 2.8.0
+ *
+ * @param WP_Post &$post The Post object (passed by reference).
+ */
+ do_action_ref_array( 'the_post', array( &$post ) );
return true;
}