X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/61343b82c4f0da4c68e4c6373daafff4a81efdd1..a349837896628462bf8c9bdc27d1477a10fe03eb:/wp-includes/query.php?ds=sidebyside diff --git a/wp-includes/query.php b/wp-includes/query.php index 04286aa5..446cebca 100644 --- a/wp-includes/query.php +++ b/wp-includes/query.php @@ -108,16 +108,16 @@ 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(); } } @@ -246,10 +246,10 @@ 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 +257,7 @@ function is_tag( $slug = '' ) { return false; } - return $wp_query->is_tag( $slug ); + return $wp_query->is_tag( $tag ); } /** @@ -720,6 +720,12 @@ 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 +872,15 @@ 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 +947,11 @@ 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 +1292,14 @@ 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 +1410,7 @@ class WP_Query { , 'tag' , 'cat' , 'tag_id' + , 'author' , 'author_name' , 'feed' , 'tb' @@ -1407,7 +1431,8 @@ 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 +1470,10 @@ 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 +1481,10 @@ 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 +1531,24 @@ 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; + $this->is_date = true; + } } } @@ -1676,7 +1715,7 @@ class WP_Query { do_action_ref_array('parse_query', array(&$this)); } - /* + /** * Parses various taxonomy related query vars. * * @access protected @@ -1699,7 +1738,7 @@ 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 $q['tag'] block @@ -1731,30 +1770,51 @@ class WP_Query { } // Category stuff - if ( !empty($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 + ); } - $q['cat'] = implode(',', $req_cats); + + 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__in']) ) { - $q['category__in'] = array_map('absint', array_unique( (array) $q['category__in'] ) ); + if ( ! empty( $q['category__and'] ) && 1 === count( (array) $q['category__and'] ) ) { + $q['category__and'] = (array) $q['category__and']; + if ( ! isset( $q['category__in'] ) ) + $q['category__in'] = array(); + $q['category__in'][] = absint( reset( $q['category__and'] ) ); + unset( $q['category__and'] ); + } + + if ( ! empty( $q['category__in'] ) ) { + $q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) ); $tax_query[] = array( 'taxonomy' => 'category', 'terms' => $q['category__in'], @@ -1763,8 +1823,8 @@ class WP_Query { ); } - if ( !empty($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' => $q['category__not_in'], @@ -1773,8 +1833,8 @@ class WP_Query { ); } - if ( !empty($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 +1918,179 @@ class WP_Query { } $this->tax_query = new WP_Tax_Query( $tax_query ); + + 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; } /** @@ -1917,7 +2150,7 @@ 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(); @@ -1967,7 +2200,7 @@ 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; @@ -2045,9 +2278,8 @@ 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 +2293,42 @@ 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 +2398,6 @@ 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 +2434,19 @@ 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 ( !$this->is_singular ) { @@ -2300,26 +2533,22 @@ class WP_Query { // Author/user stuff - if ( empty($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 +2617,12 @@ 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 +2644,25 @@ 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 { @@ -2422,7 +2675,9 @@ class WP_Query { 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 +2706,8 @@ 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 = $q['post_status']; @@ -2483,13 +2740,13 @@ class WP_Query { } if ( !empty($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 ) . ")"; } @@ -2522,7 +2779,7 @@ 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 .= ')'; @@ -3009,24 +3266,43 @@ 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 +3375,13 @@ 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 ); } @@ -3190,21 +3469,25 @@ 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 +3851,21 @@ 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 ); + } + } } /**