X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/61343b82c4f0da4c68e4c6373daafff4a81efdd1..0f684a09c03e547d3132bddc970cbeafcd1102f4:/wp-includes/query.php diff --git a/wp-includes/query.php b/wp-includes/query.php index 04286aa5..fcaac100 100644 --- a/wp-includes/query.php +++ b/wp-includes/query.php @@ -18,13 +18,14 @@ * @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 ); } /** @@ -108,16 +109,16 @@ function wp_reset_query() { /** * After looping through a separate query, this function restores - * the $post global to the current post in the main query + * the $post global to the current post in the main query. * * @since 3.0.0 * @uses $wp_query */ function wp_reset_postdata() { global $wp_query; - if ( !empty($wp_query->post) ) { - $GLOBALS['post'] = $wp_query->post; - setup_postdata($wp_query->post); + + if ( isset( $wp_query ) ) { + $wp_query->reset_postdata(); } } @@ -175,9 +176,10 @@ function is_post_type_archive( $post_types = '' ) { * @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 ) ) { @@ -185,7 +187,7 @@ function is_attachment() { return false; } - return $wp_query->is_attachment(); + return $wp_query->is_attachment( $attachment ); } /** @@ -246,10 +248,10 @@ function is_category( $category = '' ) { * @since 2.3.0 * @uses $wp_query * - * @param mixed $slug Optional. Tag slug or array of slugs. + * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs. * @return bool */ -function is_tag( $slug = '' ) { +function is_tag( $tag = '' ) { global $wp_query; if ( ! isset( $wp_query ) ) { @@ -257,7 +259,7 @@ function is_tag( $slug = '' ) { return false; } - return $wp_query->is_tag( $slug ); + return $wp_query->is_tag( $tag ); } /** @@ -720,6 +722,12 @@ function is_404() { * @return bool */ function is_main_query() { + if ( 'pre_get_posts' === current_filter() ) { + $message = sprintf( __( 'In %1$s, use the %2$s method, not the %3$s function. See %4$s.' ), + 'pre_get_posts', 'WP_Query::is_main_query()', 'is_main_query()', __( 'http://codex.wordpress.org/Function_Reference/is_main_query' ) ); + _doing_it_wrong( __FUNCTION__, $message, '3.7' ); + } + global $wp_query; return $wp_query->is_main_query(); } @@ -866,6 +874,15 @@ class WP_Query { */ var $meta_query = false; + /** + * Date query container + * + * @since 3.7.0 + * @access public + * @var object WP_Date_Query + */ + var $date_query = false; + /** * Holds the data for a single object that is queried. * @@ -932,11 +949,11 @@ class WP_Query { var $in_the_loop = false; /** - * The current post ID. + * The current post. * * @since 1.5.0 * @access public - * @var object + * @var WP_Post */ var $post; @@ -1277,6 +1294,14 @@ class WP_Query { */ var $thumbnails_cached = false; + /** + * Cached list of search stopwords. + * + * @since 3.7.0 + * @var array + */ + private $stopwords; + /** * Resets query flags to false. * @@ -1387,6 +1412,7 @@ class WP_Query { , 'tag' , 'cat' , 'tag_id' + , 'author' , 'author_name' , 'feed' , 'tb' @@ -1407,7 +1433,8 @@ class WP_Query { } $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' ); + '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]) ) @@ -1445,9 +1472,10 @@ class WP_Query { $qv['monthnum'] = absint($qv['monthnum']); $qv['day'] = absint($qv['day']); $qv['w'] = absint($qv['w']); - $qv['m'] = absint($qv['m']); + $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']); @@ -1455,6 +1483,10 @@ class WP_Query { 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 ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 ) + $qv['s'] = ''; + // Compat. Map subpost to attachment. if ( '' != $qv['subpost'] ) $qv['attachment'] = $qv['subpost']; @@ -1501,15 +1533,24 @@ class WP_Query { if ( $qv['day'] ) { if ( ! $this->is_date ) { - $this->is_day = true; - $this->is_date = true; + $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 ) { - $this->is_month = true; - $this->is_date = true; + if ( 12 < $qv['monthnum'] ) { + $qv['error'] = '404'; + } else { + $this->is_month = true; + $this->is_date = true; + } } } @@ -1673,10 +1714,17 @@ class WP_Query { $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. * * @access protected @@ -1699,7 +1747,7 @@ class WP_Query { ); } - foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) { + foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t ) { if ( 'post_tag' == $taxonomy ) continue; // Handled further down in the $q['tag'] block @@ -1731,30 +1779,51 @@ class WP_Query { } // Category stuff - if ( !empty($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 ); + } + + 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 + ); } - $q['cat'] = implode(',', $req_cats); + 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'] ) ); + if ( ! empty( $q['category__in'] ) ) { + $q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) ); $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $q['category__in'], @@ -1763,8 +1832,8 @@ class WP_Query { ); } - if ( !empty($q['category__not_in']) ) { - $q['category__not_in'] = array_map('absint', array_unique( (array) $q['category__not_in'] ) ); + if ( ! empty($q['category__not_in']) ) { + $q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) ); $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $q['category__not_in'], @@ -1773,8 +1842,8 @@ class WP_Query { ); } - if ( !empty($q['category__and']) ) { - $q['category__and'] = array_map('absint', array_unique( (array) $q['category__and'] ) ); + if ( ! empty($q['category__and']) ) { + $q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) ); $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $q['category__and'], @@ -1858,6 +1927,186 @@ class WP_Query { } $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 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 ) { + $term = like_escape( esc_sql( $term ) ); + if ( $n ) + $q['search_orderby_title'][] = "$wpdb->posts.post_title LIKE '%$term%'"; + + $search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))"; + $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 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; + + $search_orderby = ''; + + if ( $q['search_terms_count'] > 1 ) { + $num_terms = count( $q['search_orderby_title'] ); + $search_orderby_s = like_escape( esc_sql( $q['s'] ) ); + + $search_orderby = '(CASE '; + // sentence match in 'post_title' + $search_orderby .= "WHEN $wpdb->posts.post_title LIKE '%{$search_orderby_s}%' THEN 1 "; + + // 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 .= "WHEN $wpdb->posts.post_content LIKE '%{$search_orderby_s}%' THEN 4 "; + $search_orderby .= 'ELSE 5 END)'; + } else { + // single word or sentence search + $search_orderby = reset( $q['search_orderby_title'] ) . ' DESC'; + } + + return $search_orderby; } /** @@ -1882,13 +2131,15 @@ class WP_Query { * @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]; + function get( $query_var, $default = '' ) { + if ( isset( $this->query_vars[ $query_var ] ) ) { + return $this->query_vars[ $query_var ]; + } - return ''; + return $default; } /** @@ -1917,11 +2168,22 @@ class WP_Query { * @return array List of posts. */ function get_posts() { - global $wpdb, $user_ID, $_wp_using_ext_object_cache; + 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; @@ -1967,7 +2229,7 @@ class WP_Query { $q['suppress_filters'] = false; if ( !isset($q['cache_results']) ) { - if ( $_wp_using_ext_object_cache ) + if ( wp_using_ext_object_cache() ) $q['cache_results'] = false; else $q['cache_results'] = true; @@ -1986,8 +2248,9 @@ class WP_Query { $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']; @@ -2002,7 +2265,12 @@ class WP_Query { } } 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']; @@ -2045,9 +2313,8 @@ class WP_Query { if ( '' !== $q['menu_order'] ) $where .= " AND $wpdb->posts.menu_order = " . $q['menu_order']; - // If a month is specified in the querystring, load that month + // The "m" parameter is meant for months but accepts datetimes of varying specificity if ( $q['m'] ) { - $q['m'] = '' . preg_replace('|[^0-9]|', '', $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); @@ -2061,23 +2328,42 @@ class WP_Query { $where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2); } + // Handle the other individual date parameters + $date_parameters = array(); + if ( '' !== $q['hour'] ) - $where .= " AND HOUR($wpdb->posts.post_date)='" . $q['hour'] . "'"; + $date_parameters['hour'] = $q['hour']; if ( '' !== $q['minute'] ) - $where .= " AND MINUTE($wpdb->posts.post_date)='" . $q['minute'] . "'"; + $date_parameters['minute'] = $q['minute']; if ( '' !== $q['second'] ) - $where .= " AND SECOND($wpdb->posts.post_date)='" . $q['second'] . "'"; + $date_parameters['second'] = $q['second']; if ( $q['year'] ) - $where .= " AND YEAR($wpdb->posts.post_date)='" . $q['year'] . "'"; + $date_parameters['year'] = $q['year']; if ( $q['monthnum'] ) - $where .= " AND MONTH($wpdb->posts.post_date)='" . $q['monthnum'] . "'"; + $date_parameters['monthnum'] = $q['monthnum']; + + if ( $q['w'] ) + $date_parameters['week'] = $q['w']; if ( $q['day'] ) - $where .= " AND DAYOFMONTH($wpdb->posts.post_date)='" . $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'] ) { @@ -2147,8 +2433,6 @@ class WP_Query { $where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'"; } - if ( $q['w'] ) - $where .= ' AND ' . _wp_mysql_week( "`$wpdb->posts`.`post_date`" ) . " = '" . $q['w'] . "'"; if ( intval($q['comments_popup']) ) $q['p'] = absint($q['comments_popup']); @@ -2185,35 +2469,19 @@ class WP_Query { } } - // If a search pattern is specified, load the posts that match - if ( !empty($q['s']) ) { - // 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']); - if ( !empty($q['sentence']) ) { - $q['search_terms'] = array($q['s']); - } else { - preg_match_all('/".*?("|$)|((?<=[\r\n\t ",+])|^)[^\r\n\t ",+]+/', $q['s'], $matches); - $q['search_terms'] = array_map('_search_terms_tidy', $matches[0]); - } - $n = !empty($q['exact']) ? '' : '%'; - $searchand = ''; - foreach( (array) $q['search_terms'] as $term ) { - $term = esc_sql( like_escape( $term ) ); - $search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))"; - $searchand = ' AND '; - } + // If a search pattern is specified, load the posts that match. + if ( ! empty( $q['s'] ) ) + $search = $this->parse_search( $q ); - if ( !empty($search) ) { - $search = " AND ({$search}) "; - if ( !is_user_logged_in() ) - $search .= " AND ($wpdb->posts.post_password = '') "; - } - } - - // Allow plugins to contextually add/remove/modify the search section of the database query - $search = apply_filters_ref_array('posts_search', array( $search, &$this ) ); + /** + * 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 ( !$this->is_singular ) { @@ -2300,26 +2568,22 @@ class WP_Query { // Author/user stuff - if ( empty($q['author']) || ($q['author'] == '0') ) { - $whichauthor = ''; - } else { - $q['author'] = (string)urldecode($q['author']); - $q['author'] = addslashes_gpc($q['author']); - if ( strpos($q['author'], '-') !== false ) { - $eq = '!='; - $andor = 'AND'; - $q['author'] = explode('-', $q['author']); - $q['author'] = (string)absint($q['author'][1]); - } else { - $eq = '='; - $andor = 'OR'; + 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 ); } - $author_array = preg_split('/[,\s]+/', $q['author']); - $_author_array = array(); - foreach ( $author_array as $key => $_author ) - $_author_array[] = "$wpdb->posts.post_author " . $eq . ' ' . absint($_author); - $whichauthor .= ' AND (' . implode(" $andor ", $_author_array) . ')'; - unset($author_array, $_author_array); + $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 @@ -2388,7 +2652,12 @@ class WP_Query { break; case $q['meta_key']: case 'meta_value': - $orderby = "$wpdb->postmeta.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"; @@ -2410,6 +2679,25 @@ class WP_Query { $orderby .= " {$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 { @@ -2420,9 +2708,20 @@ class WP_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 ) ) + 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) . "')"; @@ -2451,6 +2750,8 @@ class WP_Query { $read_private_cap = 'read_private_' . $post_type_cap . 's'; } + $user_id = get_current_user_id(); + if ( ! empty( $q['post_status'] ) ) { $statuswheres = array(); $q_status = $q['post_status']; @@ -2483,13 +2784,13 @@ class WP_Query { } if ( !empty($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 ) . "))"; + $statuswheres[] = "($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 ) . "))"; + $statuswheres[] = "($wpdb->posts.post_author = $user_id " . "AND (" . join( ' OR ', $p_status ) . "))"; else $statuswheres[] = "(" . join( ' OR ', $p_status ) . ")"; } @@ -2498,8 +2799,10 @@ class WP_Query { 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'"; @@ -2522,7 +2825,7 @@ class WP_Query { // 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 .= 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 .= ')'; @@ -2534,11 +2837,30 @@ class WP_Query { $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 @@ -2569,11 +2891,55 @@ class WP_Query { } 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 : ''; @@ -2596,37 +2962,216 @@ class WP_Query { $pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' ); - // Apply post-paging filters on where and join. Only plugins that - // manipulate paging queries should use these hooks. + /* + * Apply post-paging filters on where and join. Only plugins that + * manipulate paging queries should use these hooks. + */ if ( !$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 ) + + foreach ( $pieces as $piece ) { $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : ''; + } } - // 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 ] : ''; @@ -2644,6 +3189,14 @@ class WP_Query { $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 ) ); } @@ -2652,7 +3205,7 @@ class WP_Query { $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'] ) { @@ -2661,13 +3214,26 @@ class WP_Query { $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 ) { @@ -2675,6 +3241,14 @@ class WP_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 ); @@ -2695,18 +3269,36 @@ class WP_Query { 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); @@ -2740,8 +3332,17 @@ class WP_Query { } } - 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 @@ -2785,8 +3386,18 @@ class WP_Query { } } - 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. @@ -2822,11 +3433,28 @@ class WP_Query { 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 ) ) @@ -2865,7 +3493,14 @@ class WP_Query { $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); @@ -2886,7 +3521,14 @@ class WP_Query { 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(); } @@ -2937,7 +3579,12 @@ class WP_Query { $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' ); } } @@ -3009,24 +3656,43 @@ class WP_Query { $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 ) { - $this->queried_object = get_post_type_object( $this->get('post_type') ); + $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 ); @@ -3099,10 +3765,13 @@ class WP_Query { * @return bool */ function is_post_type_archive( $post_types = '' ) { - if ( empty( $post_types ) || !$this->is_post_type_archive ) + if ( empty( $post_types ) || ! $this->is_post_type_archive ) return (bool) $this->is_post_type_archive; - $post_type_object = $this->get_queried_object(); + $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 ); } @@ -3112,10 +3781,30 @@ class WP_Query { * * @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; + 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; } /** @@ -3190,21 +3879,25 @@ class WP_Query { * * @since 3.1.0 * - * @param mixed $slug Optional. Tag slug or array of slugs. + * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs. * @return bool */ - function is_tag( $slug = '' ) { - if ( !$this->is_tag ) + function is_tag( $tag = '' ) { + if ( ! $this->is_tag ) return false; - if ( empty( $slug ) ) + if ( empty( $tag ) ) return true; $tag_obj = $this->get_queried_object(); - $slug = (array) $slug; + $tag = (array) $tag; - if ( in_array( $tag_obj->slug, $slug ) ) + if ( in_array( $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; @@ -3568,6 +4261,21 @@ class WP_Query { global $wp_the_query; return $wp_the_query === $this; } + + /** + * After looping through a nested query, this function + * restores the $post global to the current post in this query. + * + * @since 3.7.0 + * + * @return bool + */ + function reset_postdata() { + if ( ! empty( $this->post ) ) { + $GLOBALS['post'] = $this->post; + setup_postdata( $this->post ); + } + } } /** @@ -3673,7 +4381,14 @@ function setup_postdata( $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; }