X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/699231ae09f7057a4d0000cdf32e50a3df6a04ca..256a3b381f63716209b3527d0a14442ae570c283:/wp-includes/query.php diff --git a/wp-includes/query.php b/wp-includes/query.php index cf3cc1e2..1ec9566c 100644 --- a/wp-includes/query.php +++ b/wp-includes/query.php @@ -2,8 +2,8 @@ /** * WordPress Query API * - * The query API attempts to get which part of WordPress to the user is on. It - * also provides functionality to getting URL query information. + * The query API attempts to get which part of WordPress the user is on. It + * also provides functionality for getting URL query information. * * @link http://codex.wordpress.org/The_Loop More information on The Loop. * @@ -27,6 +27,36 @@ function get_query_var($var) { return $wp_query->get($var); } +/** + * Retrieve the currently-queried object. Wrapper for $wp_query->get_queried_object() + * + * @uses WP_Query::get_queried_object + * + * @since 3.1.0 + * @access public + * + * @return object + */ +function get_queried_object() { + global $wp_query; + return $wp_query->get_queried_object(); +} + +/** + * Retrieve ID of the current queried object. Wrapper for $wp_query->get_queried_object_id() + * + * @uses WP_Query::get_queried_object_id() + * + * @since 3.1.0 + * @access public + * + * @return int + */ +function get_queried_object_id() { + global $wp_query; + return $wp_query->get_queried_object_id(); +} + /** * Set query variable. * @@ -56,9 +86,8 @@ function set_query_var($var, $value) { * @param string $query * @return array List of posts */ -function &query_posts($query) { - unset($GLOBALS['wp_query']); - $GLOBALS['wp_query'] =& new WP_Query(); +function query_posts($query) { + $GLOBALS['wp_query'] = new WP_Query(); return $GLOBALS['wp_query']->query($query); } @@ -73,24 +102,20 @@ function &query_posts($query) { * @uses $wp_query */ function wp_reset_query() { - unset($GLOBALS['wp_query']); - $GLOBALS['wp_query'] =& $GLOBALS['wp_the_query']; + $GLOBALS['wp_query'] = $GLOBALS['wp_the_query']; wp_reset_postdata(); } /** * After looping through a separate query, this function restores - * the $post global to the current post in the main query + * 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); - } + $wp_query->reset_postdata(); } /* @@ -98,182 +123,173 @@ function wp_reset_postdata() { */ /** - * Is query requesting an archive page. + * Is the query for an existing archive page? * + * Month, Year, Category, Author, Post Type archive... + * + * @see WP_Query::is_archive() * @since 1.5.0 * @uses $wp_query * - * @return bool True if page is archive. + * @return bool */ function is_archive() { global $wp_query; - return $wp_query->is_archive; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_archive(); } /** - * Is query requesting an attachment page. + * Is the query for an existing post type archive page? * - * @since 2.0.0 + * @see WP_Query::is_post_type_archive() + * @since 3.1.0 * @uses $wp_query * - * @return bool True if page is attachment. + * @param mixed $post_types Optional. Post type or array of posts types to check against. + * @return bool */ -function is_attachment() { +function is_post_type_archive( $post_types = '' ) { global $wp_query; - return $wp_query->is_attachment; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_post_type_archive( $post_types ); } /** - * Is query requesting an author page. + * Is the query for an existing attachment page? * - * If the $author parameter is specified then the check will be expanded to - * include whether the queried author matches the one given in the parameter. - * You can match against integers and against strings. + * @see WP_Query::is_attachment() + * @since 2.0.0 + * @uses $wp_query * - * If matching against an integer, the ID should be used of the author for the - * test. If the $author is an ID and matches the author page user ID, then - * 'true' will be returned. + * @return bool + */ +function is_attachment() { + global $wp_query; + + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_attachment(); +} + +/** + * Is the query for an existing author archive page? * - * If matching against strings, then the test will be matched against both the - * nickname and user nicename and will return true on success. + * If the $author parameter is specified, this function will additionally + * check if the query is for one of the authors specified. * + * @see WP_Query::is_author() * @since 1.5.0 * @uses $wp_query * - * @param string|int $author Optional. Is current page this author. - * @return bool True if page is author or $author (if set). + * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames + * @return bool */ -function is_author($author = '') { +function is_author( $author = '' ) { global $wp_query; - if ( !$wp_query->is_author ) + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; + } - if ( empty($author) ) - return true; - - $author_obj = $wp_query->get_queried_object(); - - $author = (array) $author; - - if ( in_array( $author_obj->ID, $author ) ) - return true; - elseif ( in_array( $author_obj->nickname, $author ) ) - return true; - elseif ( in_array( $author_obj->user_nicename, $author ) ) - return true; - - return false; + return $wp_query->is_author( $author ); } /** - * Whether current page query contains a category name or given category name. + * Is the query for an existing category archive page? * - * The category list can contain category IDs, names, or category slugs. If any - * of them are part of the query, then it will return true. + * If the $category parameter is specified, this function will additionally + * check if the query is for one of the categories specified. * + * @see WP_Query::is_category() * @since 1.5.0 * @uses $wp_query * - * @param string|array $category Optional. + * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs. * @return bool */ -function is_category($category = '') { +function is_category( $category = '' ) { global $wp_query; - if ( !$wp_query->is_category ) + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; + } - if ( empty($category) ) - return true; - - $cat_obj = $wp_query->get_queried_object(); - - $category = (array) $category; - - if ( in_array( $cat_obj->term_id, $category ) ) - return true; - elseif ( in_array( $cat_obj->name, $category ) ) - return true; - elseif ( in_array( $cat_obj->slug, $category ) ) - return true; - - return false; + return $wp_query->is_category( $category ); } /** - * Whether the current page query has the given tag slug or contains tag. + * Is the query for an existing tag archive page? + * + * If the $tag parameter is specified, this function will additionally + * check if the query is for one of the tags specified. * + * @see WP_Query::is_tag() * @since 2.3.0 * @uses $wp_query * - * @param string|array $slug Optional. Single tag or list of tags to check for. + * @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 $wp_query; - if ( !$wp_query->is_tag ) + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; + } - if ( empty( $slug ) ) - return true; - - $tag_obj = $wp_query->get_queried_object(); - - $slug = (array) $slug; - - if ( in_array( $tag_obj->slug, $slug ) ) - return true; - - return false; + return $wp_query->is_tag( $tag ); } /** - * Whether the current query is for the given taxonomy and/or term. + * Is the query for an existing taxonomy archive page? + * + * If the $taxonomy parameter is specified, this function will additionally + * check if the query is for that specific $taxonomy. * - * If no taxonomy argument is set, returns true if any taxonomy is queried. - * If the taxonomy argument is passed but no term argument, returns true - * if the taxonomy or taxonomies in the argument are being queried. - * If both taxonomy and term arguments are passed, returns true - * if the current query is for a term contained in the terms argument - * which has a taxonomy contained in the taxonomy argument. + * If the $term parameter is specified in addition to the $taxonomy parameter, + * this function will additionally check if the query is for one of the terms + * specified. * + * @see WP_Query::is_tax() * @since 2.5.0 * @uses $wp_query * - * @param string|array $taxonomy Optional. Taxonomy slug or slugs to check in current query. - * @param int|array|string $term. Optional. A single or array of, The term's ID, Name or Slug + * @param mixed $taxonomy Optional. Taxonomy slug or slugs. + * @param mixed $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs. * @return bool */ function is_tax( $taxonomy = '', $term = '' ) { - global $wp_query, $wp_taxonomies; - - $queried_object = $wp_query->get_queried_object(); - $tax_array = array_intersect(array_keys($wp_taxonomies), (array) $taxonomy); - $term_array = (array) $term; + global $wp_query; - if ( !$wp_query->is_tax ) + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; + } - if ( empty( $taxonomy ) ) - return true; - - if ( empty( $term ) ) // Only a Taxonomy provided - return isset($queried_object->taxonomy) && count( $tax_array ) && in_array($queried_object->taxonomy, $tax_array); - - return isset($queried_object->term_id) && - count(array_intersect( - array($queried_object->term_id, $queried_object->name, $queried_object->slug), - $term_array - )); + return $wp_query->is_tax( $taxonomy, $term ); } /** * Whether the current URL is within the comments popup window. * + * @see WP_Query::is_comments_popup() * @since 1.5.0 * @uses $wp_query * @@ -282,12 +298,18 @@ function is_tax( $taxonomy = '', $term = '' ) { function is_comments_popup() { global $wp_query; - return $wp_query->is_comments_popup; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_comments_popup(); } /** - * Whether current URL is based on a date. + * Is the query for an existing date archive? * + * @see WP_Query::is_date() * @since 1.5.0 * @uses $wp_query * @@ -296,12 +318,18 @@ function is_comments_popup() { function is_date() { global $wp_query; - return $wp_query->is_date; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_date(); } /** - * Whether current blog URL contains a day. + * Is the query for an existing day archive? * + * @see WP_Query::is_day() * @since 1.5.0 * @uses $wp_query * @@ -310,26 +338,39 @@ function is_date() { function is_day() { global $wp_query; - return $wp_query->is_day; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_day(); } /** - * Whether current page query is feed URL. + * Is the query for a feed? * + * @see WP_Query::is_feed() * @since 1.5.0 * @uses $wp_query * + * @param string|array $feeds Optional feed types to check. * @return bool */ -function is_feed() { +function is_feed( $feeds = '' ) { global $wp_query; - return $wp_query->is_feed; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_feed( $feeds ); } /** - * Whether current page query is comment feed URL. + * Is the query for a comments feed? * + * @see WP_Query::is_comments_feed() * @since 3.0.0 * @uses $wp_query * @@ -338,12 +379,27 @@ function is_feed() { function is_comment_feed() { global $wp_query; - return $wp_query->is_comment_feed; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_comment_feed(); } /** - * Whether current page query is the front of the site. + * Is the query for the front page of the site? + * + * This is for what is displayed at your site's main URL. + * + * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'. + * + * If you set a static page for the front page of your site, this function will return + * true when viewing that page. * + * Otherwise the same as @see is_home() + * + * @see WP_Query::is_front_page() * @since 2.5.0 * @uses is_home() * @uses get_option() @@ -351,22 +407,29 @@ function is_comment_feed() { * @return bool True, if front of site. */ function is_front_page() { - // most likely case - if ( 'posts' == get_option('show_on_front') && is_home() ) - return true; - elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') && is_page(get_option('page_on_front')) ) - return true; - else + global $wp_query; + + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; + } + + return $wp_query->is_front_page(); } /** - * Whether current page view is the blog homepage. + * Is the query for the blog homepage? + * + * This is the page which shows the time based blog content of your site. + * + * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'. + * + * If you set a static page for the front page of your site, this function will return + * true only on the page you set as the "Posts page". * - * This is the page which is showing the time based blog content of your site - * so if you set a static page for the front page of your site then this will - * only be true on the page which you set as the "Posts page" in Reading Settings. + * @see is_front_page() * + * @see WP_Query::is_home() * @since 1.5.0 * @uses $wp_query * @@ -375,12 +438,18 @@ function is_front_page() { function is_home() { global $wp_query; - return $wp_query->is_home; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_home(); } /** - * Whether current page query contains a month. + * Is the query for an existing month archive? * + * @see WP_Query::is_month() * @since 1.5.0 * @uses $wp_query * @@ -389,52 +458,45 @@ function is_home() { function is_month() { global $wp_query; - return $wp_query->is_month; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_month(); } /** - * Whether query is page or contains given page(s). + * Is the query for an existing single page? * - * Calls the function without any parameters will only test whether the current - * query is of the page type. Either a list or a single item can be tested - * against for whether the query is a page and also is the value or one of the - * values in the page parameter. + * If the $page parameter is specified, this function will additionally + * check if the query is for one of the pages specified. * - * The parameter can contain the page ID, page title, or page name. The - * parameter can also be an array of those three values. + * @see is_single() + * @see is_singular() * + * @see WP_Query::is_page() * @since 1.5.0 * @uses $wp_query * - * @param mixed $page Either page or list of pages to test against. + * @param mixed $page Page ID, title, slug, or array of such. * @return bool */ -function is_page($page = '') { +function is_page( $page = '' ) { global $wp_query; - if ( !$wp_query->is_page ) + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; + } - if ( empty($page) ) - return true; - - $page_obj = $wp_query->get_queried_object(); - - $page = (array) $page; - - if ( in_array( $page_obj->ID, $page ) ) - return true; - elseif ( in_array( $page_obj->post_title, $page ) ) - return true; - else if ( in_array( $page_obj->post_name, $page ) ) - return true; - - return false; + return $wp_query->is_page( $page ); } /** - * Whether query contains multiple pages for the results. + * Is the query for paged result and not for the first page? * + * @see WP_Query::is_paged() * @since 1.5.0 * @uses $wp_query * @@ -443,32 +505,18 @@ function is_page($page = '') { function is_paged() { global $wp_query; - return $wp_query->is_paged; -} - -/** - * Whether the current page was created by a plugin. - * - * The plugin can set this by using the global $plugin_page and setting it to - * true. - * - * @since 1.5.0 - * @global bool $plugin_page Used by plugins to tell the query that current is a plugin page. - * - * @return bool - */ -function is_plugin_page() { - global $plugin_page; - - if ( isset($plugin_page) ) - return true; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } - return false; + return $wp_query->is_paged(); } /** - * Whether the current query is preview of post or page. + * Is the query for a post or page preview? * + * @see WP_Query::is_preview() * @since 2.0.0 * @uses $wp_query * @@ -477,12 +525,18 @@ function is_plugin_page() { function is_preview() { global $wp_query; - return $wp_query->is_preview; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_preview(); } /** - * Whether the current query post is robots. + * Is the query for the robots file? * + * @see WP_Query::is_robots() * @since 2.1.0 * @uses $wp_query * @@ -491,12 +545,18 @@ function is_preview() { function is_robots() { global $wp_query; - return $wp_query->is_robots; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_robots(); } /** - * Whether current query is the result of a user search. + * Is the query for a search? * + * @see WP_Query::is_search() * @since 1.5.0 * @uses $wp_query * @@ -505,70 +565,74 @@ function is_robots() { function is_search() { global $wp_query; - return $wp_query->is_search; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_search(); } /** - * Whether the current page query is single page. + * Is the query for an existing single post? * - * The parameter can contain the post ID, post title, or post name. The - * parameter can also be an array of those three values. + * Works for any post type, except attachments and pages * - * This applies to other post types, attachments, pages, posts. Just means that - * the current query has only a single object. + * If the $post parameter is specified, this function will additionally + * check if the query is for one of the Posts specified. * + * @see is_page() + * @see is_singular() + * + * @see WP_Query::is_single() * @since 1.5.0 * @uses $wp_query * - * @param mixed $post Either post or list of posts to test against. + * @param mixed $post Post ID, title, slug, or array of such. * @return bool */ -function is_single($post = '') { +function is_single( $post = '' ) { global $wp_query; - if ( !$wp_query->is_single ) + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); return false; + } - if ( empty($post) ) - return true; - - $post_obj = $wp_query->get_queried_object(); - - $post = (array) $post; - - if ( in_array( $post_obj->ID, $post ) ) - return true; - elseif ( in_array( $post_obj->post_title, $post ) ) - return true; - elseif ( in_array( $post_obj->post_name, $post ) ) - return true; - - return false; + return $wp_query->is_single( $post ); } /** - * Whether is single post, is a page, or is an attachment. + * Is the query for an existing single post of any post type (post, attachment, page, ... )? + * + * If the $post_types parameter is specified, this function will additionally + * check if the query is for one of the Posts Types specified. + * + * @see is_page() + * @see is_single() * + * @see WP_Query::is_singular() * @since 1.5.0 * @uses $wp_query * - * @param string|array $post_types Optional. Post type or types to check in current query. + * @param mixed $post_types Optional. Post Type or array of Post Types * @return bool */ -function is_singular($post_types = '') { +function is_singular( $post_types = '' ) { global $wp_query; - if ( empty($post_types) || !$wp_query->is_singular ) - return $wp_query->is_singular; - - $post_obj = $wp_query->get_queried_object(); + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } - return in_array($post_obj->post_type, (array) $post_types); + return $wp_query->is_singular( $post_types ); } /** - * Whether the query contains a time. + * Is the query for a specific time? * + * @see WP_Query::is_time() * @since 1.5.0 * @uses $wp_query * @@ -577,12 +641,18 @@ function is_singular($post_types = '') { function is_time() { global $wp_query; - return $wp_query->is_time; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_time(); } /** - * Whether the query is a trackback. + * Is the query for a trackback endpoint call? * + * @see WP_Query::is_trackback() * @since 1.5.0 * @uses $wp_query * @@ -591,12 +661,18 @@ function is_time() { function is_trackback() { global $wp_query; - return $wp_query->is_trackback; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_trackback(); } /** - * Whether the query contains a year. + * Is the query for an existing year archive? * + * @see WP_Query::is_year() * @since 1.5.0 * @uses $wp_query * @@ -605,25 +681,54 @@ function is_trackback() { function is_year() { global $wp_query; - return $wp_query->is_year; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_year(); } /** - * Whether current page query is a 404 and no results for WordPress query. + * Is the query a 404 (returns no results)? * + * @see WP_Query::is_404() * @since 1.5.0 * @uses $wp_query * - * @return bool True, if nothing is found matching WordPress Query. + * @return bool */ function is_404() { global $wp_query; - return $wp_query->is_404; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_404(); +} + +/** + * Is the query the main query? + * + * @since 3.3.0 + * + * @return bool + */ +function is_main_query() { + if ( 'pre_get_posts' === current_filter() ) { + $message = sprintf( __( 'In %1$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(); } /* - * The Loop. Post loop control. + * The Loop. Post loop control. */ /** @@ -729,16 +834,16 @@ function the_comment() { class WP_Query { /** - * Query string + * Query vars set by the user * * @since 1.5.0 * @access public - * @var string + * @var array */ var $query; /** - * Query search variables set by the user. + * Query vars, after parsing * * @since 1.5.0 * @access public @@ -746,6 +851,33 @@ class WP_Query { */ var $query_vars = array(); + /** + * Taxonomy query, as passed to get_tax_sql() + * + * @since 3.1.0 + * @access public + * @var object WP_Tax_Query + */ + var $tax_query; + + /** + * Metadata query container + * + * @since 3.2.0 + * @access public + * @var object WP_Meta_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. * @@ -812,11 +944,11 @@ class WP_Query { var $in_the_loop = false; /** - * The current post ID. + * The current post. * * @since 1.5.0 * @access public - * @var int + * @var WP_Post */ var $post; @@ -857,7 +989,9 @@ class WP_Query { var $comment; /** - * Amount of posts if limit clause was not used. + * The amount of found posts for the current query. + * + * If limit clause was not used, equals $post_count. * * @since 2.1.0 * @access public @@ -1063,6 +1197,15 @@ class WP_Query { */ var $is_comments_popup = false; + /** + * Set if query is paged + * + * @since 1.5.0 + * @access public + * @var bool + */ + var $is_paged = false; + /** * Set if query is part of administration page. * @@ -1110,6 +1253,50 @@ class WP_Query { */ var $is_posts_page = false; + /** + * Set if query is for a post type archive. + * + * @since 3.1.0 + * @access public + * @var bool + */ + var $is_post_type_archive = false; + + /** + * Stores the ->query_vars state like md5(serialize( $this->query_vars ) ) so we know + * whether we have to re-parse because something has changed + * + * @since 3.1.0 + * @access private + */ + var $query_vars_hash = false; + + /** + * Whether query vars have changed since the initial parse_query() call. Used to catch modifications to query vars made + * via pre_get_posts hooks. + * + * @since 3.1.1 + * @access private + */ + var $query_vars_changed = true; + + /** + * Set if post thumbnails are cached + * + * @since 3.2.0 + * @access public + * @var bool + */ + var $thumbnails_cached = false; + + /** + * Cached list of search stopwords. + * + * @since 3.7.0 + * @var array + */ + private $stopwords; + /** * Resets query flags to false. * @@ -1120,6 +1307,7 @@ class WP_Query { */ function init_query_flags() { $this->is_single = false; + $this->is_preview = false; $this->is_page = false; $this->is_archive = false; $this->is_date = false; @@ -1137,12 +1325,14 @@ class WP_Query { $this->is_trackback = false; $this->is_home = false; $this->is_404 = false; + $this->is_comments_popup = false; $this->is_paged = false; $this->is_admin = false; $this->is_attachment = false; $this->is_singular = false; $this->is_robots = false; $this->is_posts_page = false; + $this->is_post_type_archive = false; } /** @@ -1160,6 +1350,15 @@ class WP_Query { $this->post_count = 0; $this->current_post = -1; $this->in_the_loop = false; + unset( $this->request ); + unset( $this->post ); + unset( $this->comments ); + unset( $this->comment ); + $this->comment_count = 0; + $this->current_comment = -1; + $this->found_posts = 0; + $this->max_num_pages = 0; + $this->max_num_comment_pages = 0; $this->init_query_flags(); } @@ -1171,7 +1370,7 @@ class WP_Query { * @access public */ function parse_query_vars() { - $this->parse_query(''); + $this->parse_query(); } /** @@ -1208,6 +1407,7 @@ class WP_Query { , 'tag' , 'cat' , 'tag_id' + , 'author' , 'author_name' , 'feed' , 'tb' @@ -1218,18 +1418,21 @@ class WP_Query { , 'preview' , 's' , 'sentence' + , 'fields' + , 'menu_order' ); foreach ( $keys as $key ) { - if ( !isset($array[$key])) + if ( !isset($array[$key]) ) $array[$key] = ''; } - $array_keys = array('category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in', - 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and'); + $array_keys = array( 'category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in', + 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'post_parent__in', 'post_parent__not_in', + 'author__in', 'author__not_in' ); foreach ( $array_keys as $key ) { - if ( !isset($array[$key])) + if ( !isset($array[$key]) ) $array[$key] = array(); } return $array; @@ -1241,20 +1444,19 @@ class WP_Query { * @since 1.5.0 * @access public * - * @param string|array $query + * @param string|array $query Optional query. */ - function parse_query($query) { - if ( !empty($query) || !isset($this->query) ) { + function parse_query( $query = '' ) { + if ( ! empty( $query ) ) { $this->init(); - if ( is_array($query) ) - $this->query_vars = $query; - else - parse_str($query, $this->query_vars); - $this->query = $query; + $this->query = $this->query_vars = wp_parse_args( $query ); + } elseif ( ! isset( $this->query ) ) { + $this->query = $this->query_vars; } $this->query_vars = $this->fill_query_vars($this->query_vars); $qv = &$this->query_vars; + $this->query_vars_changed = true; if ( ! empty($qv['robots']) ) $this->is_robots = true; @@ -1265,16 +1467,22 @@ 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']); if ( '' !== $qv['minute'] ) $qv['minute'] = absint($qv['minute']); if ( '' !== $qv['second'] ) $qv['second'] = absint($qv['second']); + if ( '' !== $qv['menu_order'] ) $qv['menu_order'] = absint($qv['menu_order']); + + // Fairly insane upper bound for search string lengths. + if ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 ) + $qv['s'] = ''; - // Compat. Map subpost to attachment. + // Compat. Map subpost to attachment. if ( '' != $qv['subpost'] ) $qv['attachment'] = $qv['subpost']; if ( '' != $qv['subpost_id'] ) @@ -1296,10 +1504,12 @@ class WP_Query { } elseif ( '' != $qv['static'] || '' != $qv['pagename'] || !empty($qv['page_id']) ) { $this->is_page = true; $this->is_single = false; - } elseif ( !empty($qv['s']) ) { - $this->is_search = true; } else { - // Look for archive queries. Dates, categories, authors. + // Look for archive queries. Dates, categories, authors, search, post type archives. + + if ( !empty($qv['s']) ) { + $this->is_search = true; + } if ( '' !== $qv['second'] ) { $this->is_time = true; @@ -1318,15 +1528,24 @@ 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; + } } } @@ -1354,120 +1573,55 @@ class WP_Query { $this->is_date = true; } - if ( empty($qv['cat']) || ($qv['cat'] == '0') ) { - $this->is_category = false; - } else { - if ( strpos($qv['cat'], '-') !== false ) { - $this->is_category = false; - } else { - $this->is_category = true; - } - } + $this->query_vars_hash = false; + $this->parse_tax_query( $qv ); - if ( '' != $qv['category_name'] ) { - $this->is_category = true; + foreach ( $this->tax_query->queries as $tax_query ) { + if ( 'NOT IN' != $tax_query['operator'] ) { + switch ( $tax_query['taxonomy'] ) { + case 'category': + $this->is_category = true; + break; + case 'post_tag': + $this->is_tag = true; + break; + default: + $this->is_tax = true; + } + } } + unset( $tax_query ); - if ( !is_array($qv['category__in']) || empty($qv['category__in']) ) { - $qv['category__in'] = array(); + if ( empty($qv['author']) || ($qv['author'] == '0') ) { + $this->is_author = false; } else { - $qv['category__in'] = array_map('absint', $qv['category__in']); - $this->is_category = true; + $this->is_author = true; } - if ( !is_array($qv['category__not_in']) || empty($qv['category__not_in']) ) { - $qv['category__not_in'] = array(); - } else { - $qv['category__not_in'] = array_map('absint', $qv['category__not_in']); - } + if ( '' != $qv['author_name'] ) + $this->is_author = true; - if ( !is_array($qv['category__and']) || empty($qv['category__and']) ) { - $qv['category__and'] = array(); - } else { - $qv['category__and'] = array_map('absint', $qv['category__and']); - $this->is_category = true; + if ( !empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) { + $post_type_obj = get_post_type_object( $qv['post_type'] ); + if ( ! empty( $post_type_obj->has_archive ) ) + $this->is_post_type_archive = true; } - if ( '' != $qv['tag'] ) - $this->is_tag = true; + if ( $this->is_post_type_archive || $this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax ) + $this->is_archive = true; + } - $qv['tag_id'] = absint($qv['tag_id']); - if ( !empty($qv['tag_id']) ) - $this->is_tag = true; + if ( '' != $qv['feed'] ) + $this->is_feed = true; - if ( !is_array($qv['tag__in']) || empty($qv['tag__in']) ) { - $qv['tag__in'] = array(); - } else { - $qv['tag__in'] = array_map('absint', $qv['tag__in']); - $this->is_tag = true; - } + if ( '' != $qv['tb'] ) + $this->is_trackback = true; - if ( !is_array($qv['tag__not_in']) || empty($qv['tag__not_in']) ) { - $qv['tag__not_in'] = array(); - } else { - $qv['tag__not_in'] = array_map('absint', $qv['tag__not_in']); - } + if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) ) + $this->is_paged = true; - if ( !is_array($qv['tag__and']) || empty($qv['tag__and']) ) { - $qv['tag__and'] = array(); - } else { - $qv['tag__and'] = array_map('absint', $qv['tag__and']); - $this->is_category = true; - } - - if ( !is_array($qv['tag_slug__in']) || empty($qv['tag_slug__in']) ) { - $qv['tag_slug__in'] = array(); - } else { - $qv['tag_slug__in'] = array_map('sanitize_title', $qv['tag_slug__in']); - $this->is_tag = true; - } - - if ( !is_array($qv['tag_slug__and']) || empty($qv['tag_slug__and']) ) { - $qv['tag_slug__and'] = array(); - } else { - $qv['tag_slug__and'] = array_map('sanitize_title', $qv['tag_slug__and']); - $this->is_tag = true; - } - - if ( empty($qv['taxonomy']) || empty($qv['term']) ) { - $this->is_tax = false; - foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) { - if ( $t->query_var && isset($qv[$t->query_var]) && '' != $qv[$t->query_var] ) { - $qv['taxonomy'] = $taxonomy; - $qv['term'] = $qv[$t->query_var]; - $this->is_tax = true; - break; - } - } - } else { - $this->is_tax = true; - } - - if ( empty($qv['author']) || ($qv['author'] == '0') ) { - $this->is_author = false; - } else { - $this->is_author = true; - } - - if ( '' != $qv['author_name'] ) { - $this->is_author = true; - } - - if ( ($this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax) ) - $this->is_archive = true; - } - - if ( '' != $qv['feed'] ) - $this->is_feed = true; - - if ( '' != $qv['tb'] ) - $this->is_trackback = true; - - if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) ) - $this->is_paged = true; - - if ( '' != $qv['comments_popup'] ) - $this->is_comments_popup = true; + if ( '' != $qv['comments_popup'] ) + $this->is_comments_popup = true; // if we're previewing inside the write screen if ( '' != $qv['preview'] ) @@ -1491,7 +1645,10 @@ class WP_Query { // Correct is_* for page_on_front and page_for_posts if ( $this->is_home && 'page' == get_option('show_on_front') && get_option('page_on_front') ) { - $_query = wp_parse_args($query); + $_query = wp_parse_args($this->query); + // pagename can be set and empty depending on matched rewrite rules. Ignore an empty pagename. + if ( isset($_query['pagename']) && '' == $_query['pagename'] ) + unset($_query['pagename']); if ( empty($_query) || !array_diff( array_keys($_query), array('preview', 'page', 'paged', 'cpage') ) ) { $this->is_page = true; $this->is_home = false; @@ -1505,7 +1662,7 @@ class WP_Query { } if ( '' != $qv['pagename'] ) { - $this->queried_object =& get_page_by_path($qv['pagename']); + $this->queried_object = get_page_by_path($qv['pagename']); if ( !empty($this->queried_object) ) $this->queried_object_id = (int) $this->queried_object->ID; else @@ -1528,13 +1685,17 @@ class WP_Query { if ( !empty($qv['post_type']) ) { if ( is_array($qv['post_type']) ) - $qv['post_type'] = array_map('sanitize_user', $qv['post_type'], array(true)); + $qv['post_type'] = array_map('sanitize_key', $qv['post_type']); else - $qv['post_type'] = sanitize_user($qv['post_type'], true); + $qv['post_type'] = sanitize_key($qv['post_type']); } - if ( !empty($qv['post_status']) ) - $qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']); + if ( ! empty( $qv['post_status'] ) ) { + if ( is_array( $qv['post_status'] ) ) + $qv['post_status'] = array_map('sanitize_key', $qv['post_status']); + else + $qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']); + } if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) ) $this->is_comment_feed = false; @@ -1545,8 +1706,388 @@ class WP_Query { if ( '404' == $qv['error'] ) $this->set_404(); - if ( !empty($query) ) - do_action_ref_array('parse_query', array(&$this)); + $this->query_vars_hash = md5( serialize( $this->query_vars ) ); + $this->query_vars_changed = false; + + do_action_ref_array('parse_query', array(&$this)); + } + + /** + * Parses various taxonomy related query vars. + * + * @access protected + * @since 3.1.0 + * + * @param array &$q The query variables + */ + function parse_tax_query( &$q ) { + if ( ! empty( $q['tax_query'] ) && is_array( $q['tax_query'] ) ) { + $tax_query = $q['tax_query']; + } else { + $tax_query = array(); + } + + if ( !empty($q['taxonomy']) && !empty($q['term']) ) { + $tax_query[] = array( + 'taxonomy' => $q['taxonomy'], + 'terms' => array( $q['term'] ), + 'field' => 'slug', + ); + } + + foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t ) { + if ( 'post_tag' == $taxonomy ) + continue; // Handled further down in the $q['tag'] block + + if ( $t->query_var && !empty( $q[$t->query_var] ) ) { + $tax_query_defaults = array( + 'taxonomy' => $taxonomy, + 'field' => 'slug', + ); + + if ( isset( $t->rewrite['hierarchical'] ) && $t->rewrite['hierarchical'] ) { + $q[$t->query_var] = wp_basename( $q[$t->query_var] ); + } + + $term = $q[$t->query_var]; + + if ( strpos($term, '+') !== false ) { + $terms = preg_split( '/[+]+/', $term ); + foreach ( $terms as $term ) { + $tax_query[] = array_merge( $tax_query_defaults, array( + 'terms' => array( $term ) + ) ); + } + } else { + $tax_query[] = array_merge( $tax_query_defaults, array( + 'terms' => preg_split( '/[,]+/', $term ) + ) ); + } + } + } + + // Category stuff + if ( ! empty( $q['cat'] ) && ! $this->is_singular ) { + $cat_in = $cat_not_in = array(); + + $cat_array = preg_split( '/[,\s]+/', urldecode( $q['cat'] ) ); + $cat_array = array_map( 'intval', $cat_array ); + $q['cat'] = implode( ',', $cat_array ); + + foreach ( $cat_array as $cat ) { + if ( $cat > 0 ) + $cat_in[] = $cat; + elseif ( $cat < 0 ) + $cat_not_in[] = abs( $cat ); + } + + if ( ! empty( $cat_in ) ) { + $tax_query[] = array( + 'taxonomy' => 'category', + 'terms' => $cat_in, + 'field' => 'term_id', + 'include_children' => true + ); + } + + if ( ! empty( $cat_not_in ) ) { + $tax_query[] = array( + 'taxonomy' => 'category', + 'terms' => $cat_not_in, + 'field' => 'term_id', + 'operator' => 'NOT IN', + 'include_children' => true + ); + } + unset( $cat_array, $cat_in, $cat_not_in ); + } + + if ( ! empty( $q['category__and'] ) && 1 === count( (array) $q['category__and'] ) ) { + $q['category__and'] = (array) $q['category__and']; + if ( ! isset( $q['category__in'] ) ) + $q['category__in'] = array(); + $q['category__in'][] = absint( reset( $q['category__and'] ) ); + unset( $q['category__and'] ); + } + + if ( ! empty( $q['category__in'] ) ) { + $q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) ); + $tax_query[] = array( + 'taxonomy' => 'category', + 'terms' => $q['category__in'], + 'field' => 'term_id', + 'include_children' => false + ); + } + + if ( ! empty($q['category__not_in']) ) { + $q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) ); + $tax_query[] = array( + 'taxonomy' => 'category', + 'terms' => $q['category__not_in'], + 'operator' => 'NOT IN', + 'include_children' => false + ); + } + + if ( ! empty($q['category__and']) ) { + $q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) ); + $tax_query[] = array( + 'taxonomy' => 'category', + 'terms' => $q['category__and'], + 'field' => 'term_id', + 'operator' => 'AND', + 'include_children' => false + ); + } + + // Tag stuff + if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) { + if ( strpos($q['tag'], ',') !== false ) { + $tags = preg_split('/[,\r\n\t ]+/', $q['tag']); + foreach ( (array) $tags as $tag ) { + $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db'); + $q['tag_slug__in'][] = $tag; + } + } else if ( preg_match('/[+\r\n\t ]+/', $q['tag']) || !empty($q['cat']) ) { + $tags = preg_split('/[+\r\n\t ]+/', $q['tag']); + foreach ( (array) $tags as $tag ) { + $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db'); + $q['tag_slug__and'][] = $tag; + } + } else { + $q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db'); + $q['tag_slug__in'][] = $q['tag']; + } + } + + if ( !empty($q['tag_id']) ) { + $q['tag_id'] = absint( $q['tag_id'] ); + $tax_query[] = array( + 'taxonomy' => 'post_tag', + 'terms' => $q['tag_id'] + ); + } + + if ( !empty($q['tag__in']) ) { + $q['tag__in'] = array_map('absint', array_unique( (array) $q['tag__in'] ) ); + $tax_query[] = array( + 'taxonomy' => 'post_tag', + 'terms' => $q['tag__in'] + ); + } + + if ( !empty($q['tag__not_in']) ) { + $q['tag__not_in'] = array_map('absint', array_unique( (array) $q['tag__not_in'] ) ); + $tax_query[] = array( + 'taxonomy' => 'post_tag', + 'terms' => $q['tag__not_in'], + 'operator' => 'NOT IN' + ); + } + + if ( !empty($q['tag__and']) ) { + $q['tag__and'] = array_map('absint', array_unique( (array) $q['tag__and'] ) ); + $tax_query[] = array( + 'taxonomy' => 'post_tag', + 'terms' => $q['tag__and'], + 'operator' => 'AND' + ); + } + + if ( !empty($q['tag_slug__in']) ) { + $q['tag_slug__in'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) ); + $tax_query[] = array( + 'taxonomy' => 'post_tag', + 'terms' => $q['tag_slug__in'], + 'field' => 'slug' + ); + } + + if ( !empty($q['tag_slug__and']) ) { + $q['tag_slug__and'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) ); + $tax_query[] = array( + 'taxonomy' => 'post_tag', + 'terms' => $q['tag_slug__and'], + 'field' => 'slug', + 'operator' => 'AND' + ); + } + + $this->tax_query = new WP_Tax_Query( $tax_query ); + + 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; } /** @@ -1605,19 +2146,33 @@ class WP_Query { * * @return array List of posts. */ - function &get_posts() { - global $wpdb, $user_ID, $_wp_using_ext_object_cache; + function get_posts() { + global $wpdb; + + $this->parse_query(); do_action_ref_array('pre_get_posts', array(&$this)); // Shorthand. $q = &$this->query_vars; + // Fill again in case pre_get_posts unset some vars. $q = $this->fill_query_vars($q); + // Parse meta query + $this->meta_query = new WP_Meta_Query(); + $this->meta_query->parse_query_vars( $q ); + + // Set a flag if a pre_get_posts hook changed the query vars. + $hash = md5( serialize( $this->query_vars ) ); + if ( $hash != $this->query_vars_hash ) { + $this->query_vars_changed = true; + $this->query_vars_hash = $hash; + } + unset($hash); + // First let's clear some variables $distinct = ''; - $whichcat = ''; $whichauthor = ''; $whichmimetype = ''; $where = ''; @@ -1625,18 +2180,24 @@ class WP_Query { $join = ''; $search = ''; $groupby = ''; - $fields = "$wpdb->posts.*"; + $fields = ''; $post_status_join = false; $page = 1; - if ( !isset($q['caller_get_posts']) ) - $q['caller_get_posts'] = false; + if ( isset( $q['caller_get_posts'] ) ) { + _deprecated_argument( 'WP_Query', '3.1', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) ); + if ( !isset( $q['ignore_sticky_posts'] ) ) + $q['ignore_sticky_posts'] = $q['caller_get_posts']; + } + + if ( !isset( $q['ignore_sticky_posts'] ) ) + $q['ignore_sticky_posts'] = false; if ( !isset($q['suppress_filters']) ) $q['suppress_filters'] = false; if ( !isset($q['cache_results']) ) { - if ( $_wp_using_ext_object_cache ) + if ( wp_using_ext_object_cache() ) $q['cache_results'] = false; else $q['cache_results'] = true; @@ -1700,9 +2261,22 @@ class WP_Query { else $q['no_found_rows'] = false; - // If a month is specified in the querystring, load that month + switch ( $q['fields'] ) { + case 'ids': + $fields = "$wpdb->posts.ID"; + break; + case 'id=>parent': + $fields = "$wpdb->posts.ID, $wpdb->posts.post_parent"; + break; + default: + $fields = "$wpdb->posts.*"; + } + + if ( '' !== $q['menu_order'] ) + $where .= " AND $wpdb->posts.menu_order = " . $q['menu_order']; + + // The "m" parameter is meant for months but accepts datetimes of varying specificity if ( $q['m'] ) { - $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); @@ -1716,25 +2290,44 @@ 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 ); - // If we've got a post_type AND its not "any" post_type. + // Handle complex date queries + if ( ! empty( $q['date_query'] ) ) { + $this->date_query = new WP_Date_Query( $q['date_query'] ); + $where .= $this->date_query->get_sql(); + } + + + // If we've got a post_type AND it's not "any" post_type. if ( !empty($q['post_type']) && 'any' != $q['post_type'] ) { foreach ( (array)$q['post_type'] as $_post_type ) { $ptype_obj = get_post_type_object($_post_type); @@ -1757,7 +2350,7 @@ class WP_Query { } if ( '' != $q['name'] ) { - $q['name'] = sanitize_title($q['name']); + $q['name'] = sanitize_title_for_query( $q['name'] ); $where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'"; } elseif ( '' != $q['pagename'] ) { if ( isset($this->queried_object_id) ) { @@ -1785,12 +2378,10 @@ class WP_Query { $page_for_posts = get_option('page_for_posts'); if ( ('page' != get_option('show_on_front') ) || empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) { - $q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename']))); - $page_paths = '/' . trim($q['pagename'], '/'); - $q['pagename'] = sanitize_title(basename($page_paths)); + $q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) ); $q['name'] = $q['pagename']; $where .= " AND ($wpdb->posts.ID = '$reqpage')"; - $reqpage_obj = get_page($reqpage); + $reqpage_obj = get_post( $reqpage ); if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) { $this->is_attachment = true; $post_type = $q['post_type'] = 'attachment'; @@ -1799,20 +2390,16 @@ class WP_Query { } } } elseif ( '' != $q['attachment'] ) { - $q['attachment'] = str_replace('%2F', '/', urlencode(urldecode($q['attachment']))); - $attach_paths = '/' . trim($q['attachment'], '/'); - $q['attachment'] = sanitize_title(basename($attach_paths)); + $q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) ); $q['name'] = $q['attachment']; $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']); - // If an attachment is requested by number, let it supercede any post number. + // If an attachment is requested by number, let it supersede any post number. if ( $q['attachment_id'] ) $q['p'] = absint($q['attachment_id']); @@ -1827,8 +2414,15 @@ class WP_Query { $where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)"; } - if ( is_numeric($q['post_parent']) ) + if ( is_numeric( $q['post_parent'] ) ) { $where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] ); + } elseif ( $q['post_parent__in'] ) { + $post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) ); + $where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)"; + } elseif ( $q['post_parent__not_in'] ) { + $post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) ); + $where .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)"; + } if ( $q['page_id'] ) { if ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) { @@ -1837,298 +2431,163 @@ class WP_Query { } } - // If a search pattern is specified, load the posts that match - if ( !empty($q['s']) ) { - // added slashes screw with quote grouping when done early, so done later - $q['s'] = stripslashes($q['s']); - if ( !empty($q['sentence']) ) { - $q['search_terms'] = array($q['s']); - } else { - preg_match_all('/".*?("|$)|((?<=[\\s",+])|^)[^\\s",+]+/', $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 ) { - $term = addslashes_gpc($term); - $search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))"; - $searchand = ' AND '; - } - $term = esc_sql($q['s']); - if ( empty($q['sentence']) && count($q['search_terms']) > 1 && $q['search_terms'][0] != $q['s'] ) - $search .= " OR ($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}')"; - - if ( !empty($search) ) { - $search = " AND ({$search}) "; - if ( !is_user_logged_in() ) - $search .= " AND ($wpdb->posts.post_password = '') "; - } - } + // If a search pattern is specified, load the posts that match. + if ( ! empty( $q['s'] ) ) + $search = $this->parse_search( $q ); - // 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 ) ); - // Category stuff + // Taxonomies + if ( !$this->is_singular ) { + $this->parse_tax_query( $q ); - if ( empty($q['cat']) || ($q['cat'] == '0') || - // Bypass cat checks if fetching specific posts - $this->is_singular ) { - $whichcat = ''; - } else { - $q['cat'] = ''.urldecode($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')); - } - } - $q['cat'] = implode(',', $req_cats); - } + $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' ); - if ( !empty($q['category__in']) ) { - $join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) "; - $whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'category' "; - $include_cats = "'" . implode("', '", $q['category__in']) . "'"; - $whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_cats) "; + $join .= $clauses['join']; + $where .= $clauses['where']; } - if ( !empty($q['category__not_in']) ) { - $cat_string = "'" . implode("', '", $q['category__not_in']) . "'"; - $whichcat .= " AND $wpdb->posts.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy = 'category' AND tt.term_id IN ($cat_string) )"; + if ( $this->is_tax ) { + if ( empty($post_type) ) { + // Do a fully inclusive search for currently registered post types of queried taxonomies + $post_type = array(); + $taxonomies = wp_list_pluck( $this->tax_query->queries, 'taxonomy' ); + foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) { + $object_taxonomies = $pt === 'attachment' ? get_taxonomies_for_attachments() : get_object_taxonomies( $pt ); + if ( array_intersect( $taxonomies, $object_taxonomies ) ) + $post_type[] = $pt; + } + if ( ! $post_type ) + $post_type = 'any'; + elseif ( count( $post_type ) == 1 ) + $post_type = $post_type[0]; + + $post_status_join = true; + } elseif ( in_array('attachment', (array) $post_type) ) { + $post_status_join = true; + } } - // Category stuff for nice URLs - if ( '' != $q['category_name'] && !$this->is_singular ) { - $q['category_name'] = implode('/', array_map('sanitize_title', explode('/', $q['category_name']))); - $reqcat = get_category_by_path($q['category_name']); - $q['category_name'] = str_replace('%2F', '/', urlencode(urldecode($q['category_name']))); - $cat_paths = '/' . trim($q['category_name'], '/'); - $q['category_name'] = sanitize_title(basename($cat_paths)); + // Back-compat + if ( !empty($this->tax_query->queries) ) { + $tax_query_in_and = wp_list_filter( $this->tax_query->queries, array( 'operator' => 'NOT IN' ), 'NOT' ); + if ( !empty( $tax_query_in_and ) ) { + if ( !isset( $q['taxonomy'] ) ) { + foreach ( $tax_query_in_and as $a_tax_query ) { + if ( !in_array( $a_tax_query['taxonomy'], array( 'category', 'post_tag' ) ) ) { + $q['taxonomy'] = $a_tax_query['taxonomy']; + if ( 'slug' == $a_tax_query['field'] ) + $q['term'] = $a_tax_query['terms'][0]; + else + $q['term_id'] = $a_tax_query['terms'][0]; - $cat_paths = '/' . trim(urldecode($q['category_name']), '/'); - $q['category_name'] = sanitize_title(basename($cat_paths)); - $cat_paths = explode('/', $cat_paths); - $cat_path = ''; - foreach ( (array) $cat_paths as $pathdir ) - $cat_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title($pathdir); - - //if we don't match the entire hierarchy fallback on just matching the nicename - if ( empty($reqcat) ) - $reqcat = get_category_by_path($q['category_name'], false); + break; + } + } + } - if ( !empty($reqcat) ) - $reqcat = $reqcat->term_id; - else - $reqcat = 0; + $cat_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'category' ) ); + if ( ! empty( $cat_query ) ) { + $cat_query = reset( $cat_query ); - $q['cat'] = $reqcat; + if ( ! empty( $cat_query['terms'][0] ) ) { + $the_cat = get_term_by( $cat_query['field'], $cat_query['terms'][0], 'category' ); + if ( $the_cat ) { + $this->set( 'cat', $the_cat->term_id ); + $this->set( 'category_name', $the_cat->slug ); + } + unset( $the_cat ); + } + } + unset( $cat_query ); - $join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) "; - $whichcat = " AND $wpdb->term_taxonomy.taxonomy = 'category' "; - $in_cats = array($q['cat']); - $in_cats = array_merge($in_cats, get_term_children($q['cat'], 'category')); - $in_cats = "'" . implode("', '", $in_cats) . "'"; - $whichcat .= "AND $wpdb->term_taxonomy.term_id IN ($in_cats)"; - $groupby = "{$wpdb->posts}.ID"; - } + $tag_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'post_tag' ) ); + if ( ! empty( $tag_query ) ) { + $tag_query = reset( $tag_query ); - // Tags - if ( '' != $q['tag'] ) { - if ( strpos($q['tag'], ',') !== false ) { - $tags = preg_split('/[,\s]+/', $q['tag']); - foreach ( (array) $tags as $tag ) { - $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db'); - $q['tag_slug__in'][] = $tag; - } - } else if ( preg_match('/[+\s]+/', $q['tag']) || !empty($q['cat']) ) { - $tags = preg_split('/[+\s]+/', $q['tag']); - foreach ( (array) $tags as $tag ) { - $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db'); - $q['tag_slug__and'][] = $tag; + if ( ! empty( $tag_query['terms'][0] ) ) { + $the_tag = get_term_by( $tag_query['field'], $tag_query['terms'][0], 'post_tag' ); + if ( $the_tag ) + $this->set( 'tag_id', $the_tag->term_id ); + unset( $the_tag ); + } } - } else { - $q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db'); - $q['tag_slug__in'][] = $q['tag']; + unset( $tag_query ); } } - if ( !empty($q['category__in']) || !empty($q['meta_key']) || !empty($q['tag__in']) || !empty($q['tag_slug__in']) ) { + if ( !empty( $this->tax_query->queries ) || !empty( $this->meta_query->queries ) ) { $groupby = "{$wpdb->posts}.ID"; } - if ( !empty($q['tag__in']) && empty($q['cat']) ) { - $join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) "; - $whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' "; - $include_tags = "'" . implode("', '", $q['tag__in']) . "'"; - $whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_tags) "; - $reqtag = term_exists( $q['tag__in'][0], 'post_tag' ); - if ( !empty($reqtag) ) - $q['tag_id'] = $reqtag['term_id']; - } + // Author/user stuff - if ( !empty($q['tag_slug__in']) && empty($q['cat']) ) { - $join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) INNER JOIN $wpdb->terms ON ($wpdb->term_taxonomy.term_id = $wpdb->terms.term_id) "; - $whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' "; - $include_tags = "'" . implode("', '", $q['tag_slug__in']) . "'"; - $whichcat .= " AND $wpdb->terms.slug IN ($include_tags) "; - $reqtag = get_term_by( 'slug', $q['tag_slug__in'][0], 'post_tag' ); - if ( !empty($reqtag) ) - $q['tag_id'] = $reqtag->term_id; + if ( ! empty( $q['author'] ) && $q['author'] != '0' ) { + $q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) ); + $authors = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) ); + foreach ( $authors as $author ) { + $key = $author > 0 ? 'author__in' : 'author__not_in'; + $q[$key][] = abs( $author ); + } + $q['author'] = implode( ',', $authors ); } - if ( !empty($q['tag__not_in']) ) { - $tag_string = "'" . implode("', '", $q['tag__not_in']) . "'"; - $whichcat .= " AND $wpdb->posts.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy = 'post_tag' AND tt.term_id IN ($tag_string) )"; + 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) "; } - // Tag and slug intersections. - $intersections = array('category__and' => 'category', 'tag__and' => 'post_tag', 'tag_slug__and' => 'post_tag', 'tag__in' => 'post_tag', 'tag_slug__in' => 'post_tag'); - $tagin = array('tag__in', 'tag_slug__in'); // These are used to make some exceptions below - foreach ( $intersections as $item => $taxonomy ) { - if ( empty($q[$item]) ) continue; - if ( in_array($item, $tagin) && empty($q['cat']) ) continue; // We should already have what we need if categories aren't being used + // Author stuff for nice URLs - if ( $item != 'category__and' ) { - $reqtag = term_exists( $q[$item][0], 'post_tag' ); - if ( !empty($reqtag) ) - $q['tag_id'] = $reqtag['term_id']; + if ( '' != $q['author_name'] ) { + if ( strpos($q['author_name'], '/') !== false ) { + $q['author_name'] = explode('/', $q['author_name']); + if ( $q['author_name'][ count($q['author_name'])-1 ] ) { + $q['author_name'] = $q['author_name'][count($q['author_name'])-1]; // no trailing slash + } else { + $q['author_name'] = $q['author_name'][count($q['author_name'])-2]; // there was a trailing slash + } } + $q['author_name'] = sanitize_title_for_query( $q['author_name'] ); + $q['author'] = get_user_by('slug', $q['author_name']); + if ( $q['author'] ) + $q['author'] = $q['author']->ID; + $whichauthor .= " AND ($wpdb->posts.post_author = " . absint($q['author']) . ')'; + } - if ( in_array( $item, array('tag_slug__and', 'tag_slug__in' ) ) ) - $taxonomy_field = 'slug'; - else - $taxonomy_field = 'term_id'; - - $q[$item] = array_unique($q[$item]); - $tsql = "SELECT p.ID FROM $wpdb->posts p INNER JOIN $wpdb->term_relationships tr ON (p.ID = tr.object_id) INNER JOIN $wpdb->term_taxonomy tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id) INNER JOIN $wpdb->terms t ON (tt.term_id = t.term_id)"; - $tsql .= " WHERE tt.taxonomy = '$taxonomy' AND t.$taxonomy_field IN ('" . implode("', '", $q[$item]) . "')"; - if ( !in_array($item, $tagin) ) { // This next line is only helpful if we are doing an and relationship - $tsql .= " GROUP BY p.ID HAVING count(p.ID) = " . count($q[$item]); - } - $post_ids = $wpdb->get_col($tsql); + // MIME-Type stuff for attachment browsing - if ( count($post_ids) ) - $whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") "; - else { - $whichcat = " AND 0 = 1"; - break; - } - } + if ( isset( $q['post_mime_type'] ) && '' != $q['post_mime_type'] ) + $whichmimetype = wp_post_mime_type_where( $q['post_mime_type'], $wpdb->posts ); - // Taxonomies - if ( $this->is_tax ) { - if ( '' != $q['taxonomy'] ) { - $taxonomy = $q['taxonomy']; - $tt[$taxonomy] = $q['term']; - } else { - foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) { - if ( $t->query_var && '' != $q[$t->query_var] ) { - $tt[$taxonomy] = $q[$t->query_var]; - break; - } - } - } + $where .= $search . $whichauthor . $whichmimetype; - $terms = get_terms($taxonomy, array('slug' => $tt[$taxonomy], 'hide_empty' => !is_taxonomy_hierarchical($taxonomy))); - - if ( is_wp_error($terms) || empty($terms) ) { - $whichcat = " AND 0 "; - } else { - foreach ( $terms as $term ) { - $term_ids[] = $term->term_id; - if ( is_taxonomy_hierarchical($taxonomy) ) { - $children = get_term_children($term->term_id, $taxonomy); - $term_ids = array_merge($term_ids, $children); - } - } - $post_ids = get_objects_in_term($term_ids, $taxonomy); - if ( !is_wp_error($post_ids) && !empty($post_ids) ) { - $whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") "; - if ( empty($post_type) ) { - $post_type = 'any'; - $post_status_join = true; - } elseif ( in_array('attachment', (array)$post_type) ) { - $post_status_join = true; - } - } else { - $whichcat = " AND 0 "; - } - } - } - - // Author/user stuff - - if ( empty($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'; - } - $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); - } - - // Author stuff for nice URLs - - if ( '' != $q['author_name'] ) { - if ( strpos($q['author_name'], '/') !== false ) { - $q['author_name'] = explode('/', $q['author_name']); - if ( $q['author_name'][ count($q['author_name'])-1 ] ) { - $q['author_name'] = $q['author_name'][count($q['author_name'])-1]; // no trailing slash - } else { - $q['author_name'] = $q['author_name'][count($q['author_name'])-2]; // there was a trailling slash - } - } - $q['author_name'] = sanitize_title($q['author_name']); - $q['author'] = get_user_by('slug', $q['author_name']); - if ( $q['author'] ) - $q['author'] = $q['author']->ID; - $whichauthor .= " AND ($wpdb->posts.post_author = " . absint($q['author']) . ')'; - } - - // MIME-Type stuff for attachment browsing - - if ( isset($q['post_mime_type']) && '' != $q['post_mime_type'] ) { - $table_alias = $post_status_join ? $wpdb->posts : ''; - $whichmimetype = wp_post_mime_type_where($q['post_mime_type'], $table_alias); - } - - $where .= $search . $whichcat . $whichauthor . $whichmimetype; - - if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) ) - $q['order'] = 'DESC'; + if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) ) + $q['order'] = 'DESC'; // Order by if ( empty($q['orderby']) ) { - $q['orderby'] = "$wpdb->posts.post_date " . $q['order']; + $orderby = "$wpdb->posts.post_date " . $q['order']; } elseif ( 'none' == $q['orderby'] ) { - $q['orderby'] = ''; + $orderby = ''; + } elseif ( $q['orderby'] == 'post__in' && ! empty( $post__in ) ) { + $orderby = "FIELD( {$wpdb->posts}.ID, $post__in )"; + } elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) { + $orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )"; } else { // Used to filter values - $allowed_keys = array('author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count'); + $allowed_keys = array('name', 'author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count'); if ( !empty($q['meta_key']) ) { $allowed_keys[] = $q['meta_key']; $allowed_keys[] = 'meta_value'; @@ -2136,16 +2595,16 @@ class WP_Query { } $q['orderby'] = urldecode($q['orderby']); $q['orderby'] = addslashes_gpc($q['orderby']); - $orderby_array = explode(' ', $q['orderby']); - $q['orderby'] = ''; - foreach ( $orderby_array as $i => $orderby ) { + $orderby_array = array(); + foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) { // Only allow certain values for safety if ( ! in_array($orderby, $allowed_keys) ) continue; switch ( $orderby ) { case 'menu_order': + $orderby = "$wpdb->posts.menu_order"; break; case 'ID': $orderby = "$wpdb->posts.ID"; @@ -2155,7 +2614,12 @@ 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"; @@ -2167,34 +2631,51 @@ class WP_Query { $orderby = "$wpdb->posts.post_" . $orderby; } - $q['orderby'] .= (($i == 0) ? '' : ',') . $orderby; + $orderby_array[] = $orderby; } + $orderby = implode( ',', $orderby_array ); - // append ASC or DESC at the end - if ( !empty($q['orderby'])) - $q['orderby'] .= " {$q['order']}"; + if ( empty( $orderby ) ) + $orderby = "$wpdb->posts.post_date ".$q['order']; + else + $orderby .= " {$q['order']}"; + } - if ( empty($q['orderby']) ) - $q['orderby'] = "$wpdb->posts.post_date ".$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) ) { + if ( is_array( $post_type ) && count( $post_type ) > 1 ) { $post_type_cap = 'multiple_post_type'; } else { - $post_type_object = get_post_type_object ( $post_type ); - if ( !empty($post_type_object) ) - $post_type_cap = $post_type_object->capability_type; - else + if ( is_array( $post_type ) ) + $post_type = reset( $post_type ); + $post_type_object = get_post_type_object( $post_type ); + if ( empty( $post_type_object ) ) $post_type_cap = $post_type; } - $exclude_post_types = ''; - $in_search_post_types = get_post_types( array('exclude_from_search' => false) ); - if ( ! empty( $in_search_post_types ) ) - $exclude_post_types .= $wpdb->prepare(" AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')"); - if ( 'any' == $post_type ) { - $where .= $exclude_post_types; + $in_search_post_types = get_post_types( array('exclude_from_search' => false) ); + if ( empty( $in_search_post_types ) ) + $where .= ' AND 1=0 '; + else + $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')"; } elseif ( !empty( $post_type ) && is_array( $post_type ) ) { $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $post_type) . "')"; } elseif ( ! empty( $post_type ) ) { @@ -2211,26 +2692,28 @@ class WP_Query { $post_type_object = get_post_type_object ( 'post' ); } - if ( !empty($post_type_object) ) { - $post_type_cap = $post_type_object->capability_type; - $edit_cap = $post_type_object->cap->edit_post; - $read_cap = $post_type_object->cap->read_post; + $edit_cap = 'edit_post'; + $read_cap = 'read_post'; + + if ( ! empty( $post_type_object ) ) { $edit_others_cap = $post_type_object->cap->edit_others_posts; $read_private_cap = $post_type_object->cap->read_private_posts; } else { - $edit_cap = 'edit_' . $post_type_cap; - $read_cap = 'read_' . $post_type_cap; $edit_others_cap = 'edit_others_' . $post_type_cap . 's'; $read_private_cap = 'read_private_' . $post_type_cap . 's'; } - if ( isset($q['post_status']) && '' != $q['post_status'] ) { + $user_id = get_current_user_id(); + + if ( ! empty( $q['post_status'] ) ) { $statuswheres = array(); - $q_status = explode(',', $q['post_status']); + $q_status = $q['post_status']; + if ( ! is_array( $q_status ) ) + $q_status = explode(',', $q_status); $r_status = array(); $p_status = array(); $e_status = array(); - if ( $q['post_status'] == 'any' ) { + if ( in_array('any', $q_status) ) { foreach ( get_post_stati( array('exclude_from_search' => true) ) as $status ) $e_status[] = "$wpdb->posts.post_status <> '$status'"; } else { @@ -2254,13 +2737,13 @@ class WP_Query { } if ( !empty($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 ) . ")"; } @@ -2282,7 +2765,7 @@ class WP_Query { $where .= " OR $wpdb->posts.post_status = '$state'"; } - if ( is_admin() ) { + if ( $this->is_admin ) { // Add protected states that should show in the admin all list. $admin_all_states = get_post_stati( array('protected' => true, 'show_in_admin_all_list' => true) ); foreach ( (array) $admin_all_states as $state ) @@ -2293,22 +2776,16 @@ 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'"; } $where .= ')'; } - // postmeta queries - if ( ! empty($q['meta_key']) || ! empty($q['meta_value']) ) - $join .= " JOIN $wpdb->postmeta ON ($wpdb->posts.ID = $wpdb->postmeta.post_id) "; - if ( ! empty($q['meta_key']) ) - $where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_key = %s ", $q['meta_key']); - if ( ! empty($q['meta_value']) ) { - if ( empty($q['meta_compare']) || ! in_array($q['meta_compare'], array('=', '!=', '>', '>=', '<', '<=')) ) - $q['meta_compare'] = '='; - - $where .= $wpdb->prepare("AND $wpdb->postmeta.meta_value {$q['meta_compare']} %s ", $q['meta_value']); + if ( !empty( $this->meta_query->queries ) ) { + $clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this ); + $join .= $clauses['join']; + $where .= $clauses['where']; } // Apply filters on where and join prior to paging so that any @@ -2321,18 +2798,16 @@ class WP_Query { // Paging if ( empty($q['nopaging']) && !$this->is_singular ) { $page = absint($q['paged']); - if ( empty($page) ) + if ( !$page ) $page = 1; if ( empty($q['offset']) ) { - $pgstrt = ''; $pgstrt = ($page - 1) * $q['posts_per_page'] . ', '; - $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; } else { // we're ignoring $page and using 'offset' $q['offset'] = absint($q['offset']); $pgstrt = $q['offset'] . ', '; - $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; } + $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; } // Comments feeds @@ -2373,9 +2848,9 @@ class WP_Query { $where = "AND 0"; } - $orderby = $q['orderby']; + $pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' ); - // Apply post-paging filters on where and join. Only plugins that + // Apply post-paging filters on where and join. Only plugins that // manipulate paging queries should use these hooks. if ( !$q['suppress_filters'] ) { $where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) ); @@ -2385,36 +2860,96 @@ class WP_Query { $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 + $clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) ); + foreach ( $pieces as $piece ) + $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : ''; } - // Announce current selection parameters. For use by caching plugins. + // Announce current selection parameters. For use by caching plugins. do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join ); - // Filter again for the benefit of caching plugins. Regular plugins should use the hooks above. + // Filter again for the benefit of caching plugins. Regular plugins should use the hooks above. if ( !$q['suppress_filters'] ) { - $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) ); + $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) ); $groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) ); - $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) ); + $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) ); $orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) ); $distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) ); $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) ); $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) ); + + // Filter all clauses at once, for convenience + $clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) ); + foreach ( $pieces as $piece ) + $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : ''; } if ( ! empty($groupby) ) $groupby = 'GROUP BY ' . $groupby; if ( !empty( $orderby ) ) $orderby = 'ORDER BY ' . $orderby; + $found_rows = ''; if ( !$q['no_found_rows'] && !empty($limits) ) $found_rows = 'SQL_CALC_FOUND_ROWS'; - $this->request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits"; - if ( !$q['suppress_filters'] ) - $this->request = apply_filters_ref_array('posts_request', array( $this->request, &$this ) ); + $this->request = $old_request = "SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits"; + + if ( !$q['suppress_filters'] ) { + $this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) ); + } + + if ( 'ids' == $q['fields'] ) { + $this->posts = $wpdb->get_col( $this->request ); + $this->post_count = count( $this->posts ); + $this->set_found_posts( $q, $limits ); + + return $this->posts; + } + + if ( 'id=>parent' == $q['fields'] ) { + $this->posts = $wpdb->get_results( $this->request ); + $this->post_count = count( $this->posts ); + $this->set_found_posts( $q, $limits ); + + $r = array(); + foreach ( $this->posts as $post ) + $r[ $post->ID ] = $post->post_parent; + + return $r; + } + + $split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 ); + $split_the_query = apply_filters( 'split_the_query', $split_the_query, $this ); + + if ( $split_the_query ) { + // First get the IDs and then fill in the objects + + $this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits"; + + $this->request = apply_filters( 'posts_request_ids', $this->request, $this ); - $this->posts = $wpdb->get_results($this->request); - // Raw results filter. Prior to status checks. + $ids = $wpdb->get_col( $this->request ); + + if ( $ids ) { + $this->posts = $ids; + $this->set_found_posts( $q, $limits ); + _prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] ); + } else { + $this->posts = array(); + } + } else { + $this->posts = $wpdb->get_results( $this->request ); + $this->set_found_posts( $q, $limits ); + } + + // Convert to WP_Post objects + if ( $this->posts ) + $this->posts = array_map( 'get_post', $this->posts ); + + // Raw results filter. Prior to status checks. if ( !$q['suppress_filters'] ) $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) ); @@ -2431,13 +2966,6 @@ class WP_Query { $this->comment_count = count($this->comments); } - if ( !$q['no_found_rows'] && !empty($limits) ) { - $found_posts_query = apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ); - $this->found_posts = $wpdb->get_var( $found_posts_query ); - $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) ); - $this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']); - } - // Check post status to determine if post should be displayed. if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) { $status = get_post_status($this->posts[0]); @@ -2466,13 +2994,13 @@ class WP_Query { } } - if ( $this->is_preview && current_user_can( $edit_cap, $this->posts[0]->ID ) ) - $this->posts[0] = apply_filters_ref_array('the_preview', array( $this->posts[0], &$this )); + if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) + $this->posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this->posts[0], &$this ) ) ); } // Put sticky posts at the top of the posts array $sticky_posts = get_option('sticky_posts'); - if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['caller_get_posts'] ) { + if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) { $num_posts = count($this->posts); $sticky_offset = 0; // Loop over posts and relocate stickies to the front. @@ -2483,7 +3011,7 @@ class WP_Query { array_splice($this->posts, $i, 1); // Move to front, after other stickies array_splice($this->posts, $sticky_offset, 0, array($sticky_post)); - // Increment the sticky offset. The next sticky will be placed at this offset. + // Increment the sticky offset. The next sticky will be placed at this offset. $sticky_offset++; // Remove post from sticky posts array $offset = array_search($sticky_post->ID, $sticky_posts); @@ -2497,24 +3025,15 @@ class WP_Query { // Fetch sticky posts that weren't in the query results if ( !empty($sticky_posts) ) { - $stickies__in = implode(',', array_map( 'absint', $sticky_posts )); - // honor post type(s) if not set to any - $stickies_where = ''; - if ( 'any' != $post_type && '' != $post_type ) { - if ( is_array( $post_type ) ) { - $post_types = join( "', '", $post_type ); - } else { - $post_types = $post_type; - } - $stickies_where = "AND $wpdb->posts.post_type IN ('" . $post_types . "')"; - } + $stickies = get_posts( array( + 'post__in' => $sticky_posts, + 'post_type' => $post_type, + 'post_status' => 'publish', + 'nopaging' => true + ) ); - $stickies = $wpdb->get_results( "SELECT * FROM $wpdb->posts WHERE $wpdb->posts.ID IN ($stickies__in) $stickies_where" ); foreach ( $stickies as $sticky_post ) { - // Ignore sticky posts the current user cannot read or are not published. - if ( 'publish' != $sticky_post->post_status ) - continue; - array_splice($this->posts, $sticky_offset, 0, array($sticky_post)); + array_splice( $this->posts, $sticky_offset, 0, array( $sticky_post ) ); $sticky_offset++; } } @@ -2523,30 +3042,58 @@ class WP_Query { if ( !$q['suppress_filters'] ) $this->posts = apply_filters_ref_array('the_posts', array( $this->posts, &$this ) ); - $this->post_count = count($this->posts); + // Ensure that any posts added/modified via one of the filters above are + // of the type WP_Post and are filtered. + if ( $this->posts ) { + $this->post_count = count( $this->posts ); - // Sanitize before caching so it'll only get done once - for ( $i = 0; $i < $this->post_count; $i++ ) { - $this->posts[$i] = sanitize_post($this->posts[$i], 'raw'); - } + $this->posts = array_map( 'get_post', $this->posts ); - if ( $q['cache_results'] ) - update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']); + if ( $q['cache_results'] ) + update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']); - if ( $this->post_count > 0 ) { - $this->post = $this->posts[0]; + $this->post = reset( $this->posts ); + } else { + $this->post_count = 0; + $this->posts = array(); } return $this->posts; } + /** + * Set up the amount of found posts and the number of pages (if limit clause was used) + * for the current query. + * + * @since 3.5.0 + * @access private + */ + function set_found_posts( $q, $limits ) { + global $wpdb; + + // Bail if posts is an empty array. Continue if posts is an empty string, + // null, or false to accommodate caching plugins that fill posts later. + if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) ) + return; + + if ( ! empty( $limits ) ) + $this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) ); + else + $this->found_posts = count( $this->posts ); + + $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) ); + + if ( ! empty( $limits ) ) + $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] ); + } + /** * Set up the next post and iterate current post index. * * @since 1.5.0 * @access public * - * @return object Next post. + * @return WP_Post Next post. */ function next_post() { @@ -2690,8 +3237,9 @@ class WP_Query { * @param string $query URL query string. * @return array List of posts. */ - function &query($query) { - $this->parse_query($query); + function query( $query ) { + $this->init(); + $this->query = $this->query_vars = wp_parse_args( $query ); return $this->get_posts(); } @@ -2711,46 +3259,46 @@ class WP_Query { if ( isset($this->queried_object) ) return $this->queried_object; - $this->queried_object = NULL; + $this->queried_object = null; $this->queried_object_id = 0; - if ( $this->is_category ) { - $cat = $this->get('cat'); - $category = &get_category($cat); - if ( is_wp_error( $category ) ) - return NULL; - $this->queried_object = &$category; - $this->queried_object_id = (int) $cat; - } elseif ( $this->is_tag ) { - $tag_id = $this->get('tag_id'); - $tag = &get_term($tag_id, 'post_tag'); - if ( is_wp_error( $tag ) ) - return NULL; - $this->queried_object = &$tag; - $this->queried_object_id = (int) $tag_id; - } elseif ( $this->is_tax ) { - $tax = $this->get('taxonomy'); - $slug = $this->get('term'); - $term = &get_terms($tax, array( 'slug' => $slug, 'hide_empty' => false ) ); - if ( is_wp_error($term) || empty($term) ) - return NULL; - $term = $term[0]; - $this->queried_object = $term; - $this->queried_object_id = $term->term_id; + if ( $this->is_category || $this->is_tag || $this->is_tax ) { + if ( $this->is_category ) { + $term = get_term( $this->get( 'cat' ), 'category' ); + } elseif ( $this->is_tag ) { + $term = get_term( $this->get( 'tag_id' ), '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'] ); + 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 && 'category' === $this->queried_object->taxonomy ) + _make_cat_compat( $this->queried_object ); + } + } elseif ( $this->is_post_type_archive ) { + $post_type = $this->get( 'post_type' ); + if ( is_array( $post_type ) ) + $post_type = reset( $post_type ); + $this->queried_object = get_post_type_object( $post_type ); } elseif ( $this->is_posts_page ) { - $this->queried_object = & get_page(get_option('page_for_posts')); + $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 ( $this->is_single && !is_null($this->post) ) { - $this->queried_object = $this->post; - $this->queried_object_id = (int) $this->post->ID; - } elseif ( $this->is_page && !is_null($this->post) ) { + } elseif ( $this->is_singular && !is_null($this->post) ) { $this->queried_object = $this->post; $this->queried_object_id = (int) $this->post->ID; } elseif ( $this->is_author ) { - $author_id = (int) $this->get('author'); - $author = get_userdata($author_id); - $this->queried_object = $author; - $this->queried_object_id = $author_id; + $this->queried_object_id = (int) $this->get('author'); + $this->queried_object = get_userdata( $this->queried_object_id ); } return $this->queried_object; @@ -2775,7 +3323,7 @@ class WP_Query { } /** - * PHP4 type constructor. + * Constructor. * * Sets up the WordPress query, if parameter is not empty. * @@ -2785,11 +3333,525 @@ class WP_Query { * @param string $query URL query string. * @return WP_Query */ - function WP_Query($query = '') { + function __construct($query = '') { if ( ! empty($query) ) { $this->query($query); } } + + /** + * Is the query for an existing archive page? + * + * Month, Year, Category, Author, Post Type archive... + * + * @since 3.1.0 + * + * @return bool + */ + function is_archive() { + return (bool) $this->is_archive; + } + + /** + * Is the query for an existing post type archive page? + * + * @since 3.1.0 + * + * @param mixed $post_types Optional. Post type or array of posts types to check against. + * @return bool + */ + function is_post_type_archive( $post_types = '' ) { + if ( empty( $post_types ) || ! $this->is_post_type_archive ) + return (bool) $this->is_post_type_archive; + + $post_type = $this->get( 'post_type' ); + if ( is_array( $post_type ) ) + $post_type = reset( $post_type ); + $post_type_object = get_post_type_object( $post_type ); + + return in_array( $post_type_object->name, (array) $post_types ); + } + + /** + * Is the query for an existing attachment page? + * + * @since 3.1.0 + * + * @return bool + */ + function is_attachment() { + return (bool) $this->is_attachment; + } + + /** + * Is the query for an existing author archive page? + * + * If the $author parameter is specified, this function will additionally + * check if the query is for one of the authors specified. + * + * @since 3.1.0 + * + * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames + * @return bool + */ + function is_author( $author = '' ) { + if ( !$this->is_author ) + return false; + + if ( empty($author) ) + return true; + + $author_obj = $this->get_queried_object(); + + $author = (array) $author; + + if ( in_array( $author_obj->ID, $author ) ) + return true; + elseif ( in_array( $author_obj->nickname, $author ) ) + return true; + elseif ( in_array( $author_obj->user_nicename, $author ) ) + return true; + + return false; + } + + /** + * Is the query for an existing category archive page? + * + * If the $category parameter is specified, this function will additionally + * check if the query is for one of the categories specified. + * + * @since 3.1.0 + * + * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs. + * @return bool + */ + function is_category( $category = '' ) { + if ( !$this->is_category ) + return false; + + if ( empty($category) ) + return true; + + $cat_obj = $this->get_queried_object(); + + $category = (array) $category; + + if ( in_array( $cat_obj->term_id, $category ) ) + return true; + elseif ( in_array( $cat_obj->name, $category ) ) + return true; + elseif ( in_array( $cat_obj->slug, $category ) ) + return true; + + return false; + } + + /** + * Is the query for an existing tag archive page? + * + * If the $tag parameter is specified, this function will additionally + * check if the query is for one of the tags specified. + * + * @since 3.1.0 + * + * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs. + * @return bool + */ + function is_tag( $tag = '' ) { + if ( ! $this->is_tag ) + return false; + + if ( empty( $tag ) ) + return true; + + $tag_obj = $this->get_queried_object(); + + $tag = (array) $tag; + + if ( in_array( $tag_obj->term_id, $tag ) ) + return true; + elseif ( in_array( $tag_obj->name, $tag ) ) + return true; + elseif ( in_array( $tag_obj->slug, $tag ) ) + return true; + + return false; + } + + /** + * Is the query for an existing taxonomy archive page? + * + * If the $taxonomy parameter is specified, this function will additionally + * check if the query is for that specific $taxonomy. + * + * If the $term parameter is specified in addition to the $taxonomy parameter, + * this function will additionally check if the query is for one of the terms + * specified. + * + * @since 3.1.0 + * + * @param mixed $taxonomy Optional. Taxonomy slug or slugs. + * @param mixed $term. Optional. Term ID, name, slug or array of Term IDs, names, and slugs. + * @return bool + */ + function is_tax( $taxonomy = '', $term = '' ) { + global $wp_taxonomies; + + if ( !$this->is_tax ) + return false; + + if ( empty( $taxonomy ) ) + return true; + + $queried_object = $this->get_queried_object(); + $tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy ); + $term_array = (array) $term; + + // Check that the taxonomy matches. + if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array ) ) ) + return false; + + // Only a Taxonomy provided. + if ( empty( $term ) ) + return true; + + return isset( $queried_object->term_id ) && + count( array_intersect( + array( $queried_object->term_id, $queried_object->name, $queried_object->slug ), + $term_array + ) ); + } + + /** + * Whether the current URL is within the comments popup window. + * + * @since 3.1.0 + * + * @return bool + */ + function is_comments_popup() { + return (bool) $this->is_comments_popup; + } + + /** + * Is the query for an existing date archive? + * + * @since 3.1.0 + * + * @return bool + */ + function is_date() { + return (bool) $this->is_date; + } + + /** + * Is the query for an existing day archive? + * + * @since 3.1.0 + * + * @return bool + */ + function is_day() { + return (bool) $this->is_day; + } + + /** + * Is the query for a feed? + * + * @since 3.1.0 + * + * @param string|array $feeds Optional feed types to check. + * @return bool + */ + function is_feed( $feeds = '' ) { + if ( empty( $feeds ) || ! $this->is_feed ) + return (bool) $this->is_feed; + $qv = $this->get( 'feed' ); + if ( 'feed' == $qv ) + $qv = get_default_feed(); + return in_array( $qv, (array) $feeds ); + } + + /** + * Is the query for a comments feed? + * + * @since 3.1.0 + * + * @return bool + */ + function is_comment_feed() { + return (bool) $this->is_comment_feed; + } + + /** + * Is the query for the front page of the site? + * + * This is for what is displayed at your site's main URL. + * + * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'. + * + * If you set a static page for the front page of your site, this function will return + * true when viewing that page. + * + * Otherwise the same as @see WP_Query::is_home() + * + * @since 3.1.0 + * @uses is_home() + * @uses get_option() + * + * @return bool True, if front of site. + */ + function is_front_page() { + // most likely case + if ( 'posts' == get_option( 'show_on_front') && $this->is_home() ) + return true; + elseif ( 'page' == get_option( 'show_on_front') && get_option( 'page_on_front' ) && $this->is_page( get_option( 'page_on_front' ) ) ) + return true; + else + return false; + } + + /** + * Is the query for the blog homepage? + * + * This is the page which shows the time based blog content of your site. + * + * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'. + * + * If you set a static page for the front page of your site, this function will return + * true only on the page you set as the "Posts page". + * + * @see WP_Query::is_front_page() + * + * @since 3.1.0 + * + * @return bool True if blog view homepage. + */ + function is_home() { + return (bool) $this->is_home; + } + + /** + * Is the query for an existing month archive? + * + * @since 3.1.0 + * + * @return bool + */ + function is_month() { + return (bool) $this->is_month; + } + + /** + * Is the query for an existing single page? + * + * If the $page parameter is specified, this function will additionally + * check if the query is for one of the pages specified. + * + * @see WP_Query::is_single() + * @see WP_Query::is_singular() + * + * @since 3.1.0 + * + * @param mixed $page Page ID, title, slug, or array of such. + * @return bool + */ + function is_page( $page = '' ) { + if ( !$this->is_page ) + return false; + + if ( empty( $page ) ) + return true; + + $page_obj = $this->get_queried_object(); + + $page = (array) $page; + + if ( in_array( $page_obj->ID, $page ) ) + return true; + elseif ( in_array( $page_obj->post_title, $page ) ) + return true; + else if ( in_array( $page_obj->post_name, $page ) ) + return true; + + return false; + } + + /** + * Is the query for paged result and not for the first page? + * + * @since 3.1.0 + * + * @return bool + */ + function is_paged() { + return (bool) $this->is_paged; + } + + /** + * Is the query for a post or page preview? + * + * @since 3.1.0 + * + * @return bool + */ + function is_preview() { + return (bool) $this->is_preview; + } + + /** + * Is the query for the robots file? + * + * @since 3.1.0 + * + * @return bool + */ + function is_robots() { + return (bool) $this->is_robots; + } + + /** + * Is the query for a search? + * + * @since 3.1.0 + * + * @return bool + */ + function is_search() { + return (bool) $this->is_search; + } + + /** + * Is the query for an existing single post? + * + * Works for any post type, except attachments and pages + * + * If the $post parameter is specified, this function will additionally + * check if the query is for one of the Posts specified. + * + * @see WP_Query::is_page() + * @see WP_Query::is_singular() + * + * @since 3.1.0 + * + * @param mixed $post Post ID, title, slug, or array of such. + * @return bool + */ + function is_single( $post = '' ) { + if ( !$this->is_single ) + return false; + + if ( empty($post) ) + return true; + + $post_obj = $this->get_queried_object(); + + $post = (array) $post; + + if ( in_array( $post_obj->ID, $post ) ) + return true; + elseif ( in_array( $post_obj->post_title, $post ) ) + return true; + elseif ( in_array( $post_obj->post_name, $post ) ) + return true; + + return false; + } + + /** + * Is the query for an existing single post of any post type (post, attachment, page, ... )? + * + * If the $post_types parameter is specified, this function will additionally + * check if the query is for one of the Posts Types specified. + * + * @see WP_Query::is_page() + * @see WP_Query::is_single() + * + * @since 3.1.0 + * + * @param mixed $post_types Optional. Post Type or array of Post Types + * @return bool + */ + function is_singular( $post_types = '' ) { + if ( empty( $post_types ) || !$this->is_singular ) + return (bool) $this->is_singular; + + $post_obj = $this->get_queried_object(); + + return in_array( $post_obj->post_type, (array) $post_types ); + } + + /** + * Is the query for a specific time? + * + * @since 3.1.0 + * + * @return bool + */ + function is_time() { + return (bool) $this->is_time; + } + + /** + * Is the query for a trackback endpoint call? + * + * @since 3.1.0 + * + * @return bool + */ + function is_trackback() { + return (bool) $this->is_trackback; + } + + /** + * Is the query for an existing year archive? + * + * @since 3.1.0 + * + * @return bool + */ + function is_year() { + return (bool) $this->is_year; + } + + /** + * Is the query a 404 (returns no results)? + * + * @since 3.1.0 + * + * @return bool + */ + function is_404() { + return (bool) $this->is_404; + } + + /** + * Is the query the main query? + * + * @since 3.3.0 + * + * @return bool + */ + function is_main_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 ); + } + } } /** @@ -2808,20 +3870,38 @@ function wp_old_slug_redirect() { if ( is_404() && '' != $wp_query->query_vars['name'] ) : global $wpdb; - $query = "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND meta_key = '_wp_old_slug' AND meta_value='" . $wp_query->query_vars['name'] . "'"; + // Guess the current post_type based on the query vars. + if ( get_query_var('post_type') ) + $post_type = get_query_var('post_type'); + elseif ( !empty($wp_query->query_vars['pagename']) ) + $post_type = 'page'; + else + $post_type = 'post'; + + if ( is_array( $post_type ) ) { + if ( count( $post_type ) > 1 ) + return; + $post_type = array_shift( $post_type ); + } + + // Do not attempt redirect for hierarchical post types + if ( is_post_type_hierarchical( $post_type ) ) + return; + + $query = $wpdb->prepare("SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, $wp_query->query_vars['name']); // if year, monthnum, or day have been specified, make our query more precise // just in case there are multiple identical _wp_old_slug values if ( '' != $wp_query->query_vars['year'] ) - $query .= " AND YEAR(post_date) = '{$wp_query->query_vars['year']}'"; + $query .= $wpdb->prepare(" AND YEAR(post_date) = %d", $wp_query->query_vars['year']); if ( '' != $wp_query->query_vars['monthnum'] ) - $query .= " AND MONTH(post_date) = '{$wp_query->query_vars['monthnum']}'"; + $query .= $wpdb->prepare(" AND MONTH(post_date) = %d", $wp_query->query_vars['monthnum']); if ( '' != $wp_query->query_vars['day'] ) - $query .= " AND DAYOFMONTH(post_date) = '{$wp_query->query_vars['day']}'"; + $query .= $wpdb->prepare(" AND DAYOFMONTH(post_date) = %d", $wp_query->query_vars['day']); $id = (int) $wpdb->get_var($query); - if ( !$id ) + if ( ! $id ) return; $link = get_permalink($id); @@ -2829,7 +3909,7 @@ function wp_old_slug_redirect() { if ( !$link ) return; - wp_redirect($link, '301'); // Permanent redirect + wp_redirect( $link, 301 ); // Permanent redirect exit; endif; } @@ -2843,38 +3923,41 @@ function wp_old_slug_redirect() { * @uses do_action_ref_array() Calls 'the_post' * @return bool True when finished. */ -function setup_postdata($post) { - global $id, $authordata, $day, $currentmonth, $page, $pages, $multipage, $more, $numpages; +function setup_postdata( $post ) { + global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages; $id = (int) $post->ID; $authordata = get_userdata($post->post_author); - $day = mysql2date('d.m.y', $post->post_date, false); + $currentday = mysql2date('d.m.y', $post->post_date, false); $currentmonth = mysql2date('m', $post->post_date, false); $numpages = 1; + $multipage = 0; $page = get_query_var('page'); - if ( !$page ) + if ( ! $page ) $page = 1; if ( is_single() || is_page() || is_feed() ) $more = 1; $content = $post->post_content; - if ( strpos( $content, '' ) ) { + if ( false !== strpos( $content, '' ) ) { if ( $page > 1 ) $more = 1; - $multipage = 1; - $content = str_replace("\n\n", '', $content); - $content = str_replace("\n", '', $content); - $content = str_replace("\n", '', $content); + $content = str_replace( "\n\n", '', $content ); + $content = str_replace( "\n", '', $content ); + $content = str_replace( "\n", '', $content ); + // Ignore nextpage at the beginning of the content. + if ( 0 === strpos( $content, '' ) ) + $content = substr( $content, 15 ); $pages = explode('', $content); $numpages = count($pages); + if ( $numpages > 1 ) + $multipage = 1; } else { $pages = array( $post->post_content ); - $multipage = 0; } do_action_ref_array('the_post', array(&$post)); return true; } -?>