X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/3e7fab96d7874067884348df10bbdcdefa4a89ad..9c2096d803812dacbdf6cf8efe90053e39f00b96:/wp-includes/query.php diff --git a/wp-includes/query.php b/wp-includes/query.php index 564c47b8..0fcbf94c 100644 --- a/wp-includes/query.php +++ b/wp-includes/query.php @@ -1,273 +1,787 @@ 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. + * + * @see WP_Query::set() + * @since 2.2.0 + * @uses $wp_query + * + * @param string $var Query variable key. + * @param mixed $value + * @return null + */ function set_query_var($var, $value) { global $wp_query; return $wp_query->set($var, $value); } +/** + * Set up The Loop with query parameters. + * + * This will override the current WordPress Loop and shouldn't be used more than + * once. This must not be used within the WordPress Loop. + * + * @since 1.5.0 + * @uses $wp_query + * + * @param string $query + * @return array List of posts + */ function &query_posts($query) { unset($GLOBALS['wp_query']); - $GLOBALS['wp_query'] =& new WP_Query(); + $GLOBALS['wp_query'] = new WP_Query(); return $GLOBALS['wp_query']->query($query); } +/** + * Destroy the previous query and set up a new query. + * + * This should be used after {@link query_posts()} and before another {@link + * query_posts()}. This will remove obscure bugs that occur when the previous + * wp_query object is not destroyed properly before another is set up. + * + * @since 2.3.0 + * @uses $wp_query + */ function wp_reset_query() { unset($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 + * + * @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); + } } /* * Query type checks. */ -function is_admin () { - if ( defined('WP_ADMIN') ) - return WP_ADMIN; - return false; -} - -function is_archive () { +/** + * Is the query for an archive page? + * + * Month, Year, Category, Author, Post Type archive... + * + * @see WP_Query::is_archive() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_archive() { global $wp_query; - 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(); } -function is_attachment () { +/** + * Is the query for a post type archive page? + * + * @see WP_Query::is_post_type_archive() + * @since 3.1.0 + * @uses $wp_query + * + * @param mixed $post_types Optional. Post type or array of posts types to check against. + * @return bool + */ +function is_post_type_archive( $post_types = '' ) { global $wp_query; - 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( $post_types ); } -function is_author ($author = '') { +/** + * Is the query for an attachment page? + * + * @see WP_Query::is_attachment() + * @since 2.0.0 + * @uses $wp_query + * + * @return bool + */ +function is_attachment() { 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; + return $wp_query->is_attachment(); +} - $author_obj = $wp_query->get_queried_object(); +/** + * Is the query for an author archive page? + * + * If the $author parameter is specified, this function will additionally + * check if the query is for one of the authors specified. + * + * @see WP_Query::is_author() + * @since 1.5.0 + * @uses $wp_query + * + * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames + * @return bool + */ +function is_author( $author = '' ) { + global $wp_query; - if ( $author == $author_obj->ID ) - return true; - elseif ( $author == $author_obj->nickname ) - return true; - elseif ( $author == $author_obj->user_nicename ) - 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_author( $author ); } -function is_category ($category = '') { +/** + * Is the query for a category archive page? + * + * If the $category parameter is specified, this function will additionally + * check if the query is for one of the categories specified. + * + * @see WP_Query::is_category() + * @since 1.5.0 + * @uses $wp_query + * + * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs. + * @return bool + */ +function is_category( $category = '' ) { global $wp_query; - if ( !$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; + return $wp_query->is_category( $category ); +} - $cat_obj = $wp_query->get_queried_object(); +/** + * Is the query for a tag archive page? + * + * If the $tag parameter is specified, this function will additionally + * check if the query is for one of the tags specified. + * + * @see WP_Query::is_tag() + * @since 2.3.0 + * @uses $wp_query + * + * @param mixed $slug Optional. Tag slug or array of slugs. + * @return bool + */ +function is_tag( $slug = '' ) { + global $wp_query; - if ( $category == $cat_obj->term_id ) - return true; - else if ( $category == $cat_obj->name ) - return true; - elseif ( $category == $cat_obj->slug ) - 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_tag( $slug ); } -function is_tag( $slug = '' ) { +/** + * Is the query for a taxonomy archive page? + * + * If the $taxonomy parameter is specified, this function will additionally + * check if the query is for that specific $taxonomy. + * + * If the $term parameter is specified in addition to the $taxonomy parameter, + * this function will additionally check if the query is for one of the terms + * specified. + * + * @see WP_Query::is_tax() + * @since 2.5.0 + * @uses $wp_query + * + * @param 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 $wp_query; - if ( !$wp_query->is_tag ) - return false; - if ( empty( $slug ) ) - 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; + } - $tag_obj = $wp_query->get_queried_object(); - if ( $slug == $tag_obj->slug ) - return true; - return false; + return $wp_query->is_tax( $taxonomy, $term ); } -function is_comments_popup () { +/** + * Whether the current URL is within the comments popup window. + * + * @see WP_Query::is_comments_popup() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_comments_popup() { global $wp_query; - 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(); } -function is_date () { +/** + * Is the query for a date archive? + * + * @see WP_Query::is_date() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +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(); } -function is_day () { +/** + * Is the query for a day archive? + * + * @see WP_Query::is_day() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +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(); } -function is_feed () { +/** + * Is the query for a feed? + * + * @see WP_Query::is_feed() + * @since 1.5.0 + * @uses $wp_query + * + * @param string|array $feeds Optional feed types to check. + * @return bool + */ +function is_feed( $feeds = '' ) { global $wp_query; - 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 ); } -function is_home () { +/** + * Is the query for a comments feed? + * + * @see WP_Query::is_comments_feed() + * @since 3.0.0 + * @uses $wp_query + * + * @return bool + */ +function is_comment_feed() { global $wp_query; - 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_comment_feed(); } -function is_month () { +/** + * 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() + * + * @return bool True, if front of site. + */ +function is_front_page() { 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 $wp_query->is_front_page(); } -function is_page ($page = '') { +/** + * Is the query for the blog homepage? + * + * This is the page which shows the time based blog content of your site. + * + * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'. + * + * If you set a static page for the front page of your site, this function will return + * true only on the page you set as the "Posts page". + * + * @see is_front_page() + * + * @see WP_Query::is_home() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool True if blog view homepage. + */ +function is_home() { global $wp_query; - if ( !$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; + return $wp_query->is_home(); +} - $page_obj = $wp_query->get_queried_object(); +/** + * Is the query for a month archive? + * + * @see WP_Query::is_month() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_month() { + global $wp_query; - if ( $page == $page_obj->ID ) - return true; - elseif ( $page == $page_obj->post_title ) - return true; - else if ( $page == $page_obj->post_name ) - 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_month(); } -function is_paged () { +/** + * Is the query for a single page? + * + * If the $page parameter is specified, this function will additionally + * check if the query is for one of the pages specified. + * + * @see is_single() + * @see is_singular() + * + * @see WP_Query::is_page() + * @since 1.5.0 + * @uses $wp_query + * + * @param mixed $page Page ID, title, slug, or array of such. + * @return bool + */ +function is_page( $page = '' ) { global $wp_query; - return $wp_query->is_paged; + if ( ! isset( $wp_query ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' ); + return false; + } + + return $wp_query->is_page( $page ); } -function is_plugin_page() { - global $plugin_page; +/** + * Is the query for paged result and not for the first page? + * + * @see WP_Query::is_paged() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_paged() { + global $wp_query; - if ( isset($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(); } +/** + * Is the query for a post or page preview? + * + * @see WP_Query::is_preview() + * @since 2.0.0 + * @uses $wp_query + * + * @return bool + */ function is_preview() { global $wp_query; - 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(); } +/** + * Is the query for the robots file? + * + * @see WP_Query::is_robots() + * @since 2.1.0 + * @uses $wp_query + * + * @return bool + */ function is_robots() { global $wp_query; - 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(); } -function is_search () { +/** + * Is the query for a search? + * + * @see WP_Query::is_search() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_search() { global $wp_query; - 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 $wp_query->is_search(); } -function is_single ($post = '') { +/** + * Is the query for a single post? + * + * Works for any post type, except attachments and pages + * + * If the $post parameter is specified, this function will additionally + * check if the query is for one of the Posts specified. + * + * @see is_page() + * @see is_singular() + * + * @see WP_Query::is_single() + * @since 1.5.0 + * @uses $wp_query + * + * @param mixed $post Post ID, title, slug, or array of such. + * @return bool + */ +function is_single( $post = '' ) { global $wp_query; - if ( !$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; + return $wp_query->is_single( $post ); +} - $post_obj = $wp_query->get_queried_object(); +/** + * Is the query for a single post of any post type (post, attachment, page, ... )? + * + * If the $post_types parameter is specified, this function will additionally + * check if the query is for one of the Posts Types specified. + * + * @see is_page() + * @see is_single() + * + * @see WP_Query::is_singular() + * @since 1.5.0 + * @uses $wp_query + * + * @param mixed $post_types Optional. Post Type or array of Post Types + * @return bool + */ +function is_singular( $post_types = '' ) { + global $wp_query; - if ( $post == $post_obj->ID ) - return true; - elseif ( $post == $post_obj->post_title ) - return true; - elseif ( $post == $post_obj->post_name ) - 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_singular( $post_types ); } -function is_singular() { +/** + * Is the query for a specific time? + * + * @see WP_Query::is_time() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_time() { global $wp_query; - return $wp_query->is_singular; + 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(); } -function is_time () { +/** + * Is the query for a trackback endpoint call? + * + * @see WP_Query::is_trackback() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_trackback() { global $wp_query; - 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_trackback(); } -function is_trackback () { +/** + * Is the query for a specific year? + * + * @see WP_Query::is_year() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_year() { 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_year(); } -function is_year () { +/** + * Is the query a 404 (returns no results)? + * + * @see WP_Query::is_404() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_404() { global $wp_query; - 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_404(); } -function is_404 () { +/** + * Is the query the main query? + * + * @since 3.3.0 + * + * @return bool + */ +function is_main_query() { global $wp_query; - - return $wp_query->is_404; + return $wp_query->is_main_query(); } /* * The Loop. Post loop control. */ +/** + * Whether current WordPress query has results to loop over. + * + * @see WP_Query::have_posts() + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ function have_posts() { global $wp_query; return $wp_query->have_posts(); } +/** + * Whether the caller is in the Loop. + * + * @since 2.0.0 + * @uses $wp_query + * + * @return bool True if caller is within loop, false if loop hasn't started or ended. + */ function in_the_loop() { global $wp_query; return $wp_query->in_the_loop; } +/** + * Rewind the loop posts. + * + * @see WP_Query::rewind_posts() + * @since 1.5.0 + * @uses $wp_query + * + * @return null + */ function rewind_posts() { global $wp_query; return $wp_query->rewind_posts(); } +/** + * Iterate the post index in the loop. + * + * @see WP_Query::the_post() + * @since 1.5.0 + * @uses $wp_query + */ function the_post() { global $wp_query; @@ -278,11 +792,29 @@ function the_post() { * Comments loop. */ +/** + * Whether there are comments to loop over. + * + * @see WP_Query::have_comments() + * @since 2.2.0 + * @uses $wp_query + * + * @return bool + */ function have_comments() { global $wp_query; return $wp_query->have_comments(); } +/** + * Iterate comment index in the comment loop. + * + * @see WP_Query::the_comment() + * @since 2.2.0 + * @uses $wp_query + * + * @return object + */ function the_comment() { global $wp_query; return $wp_query->the_comment(); @@ -292,54 +824,471 @@ function the_comment() { * WP_Query */ +/** + * The WordPress Query class. + * + * @link http://codex.wordpress.org/Function_Reference/WP_Query Codex page. + * + * @since 1.5.0 + */ class WP_Query { + + /** + * Query vars set by the user + * + * @since 1.5.0 + * @access public + * @var array + */ var $query; + + /** + * Query vars, after parsing + * + * @since 1.5.0 + * @access public + * @var array + */ 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; + + /** + * Holds the data for a single object that is queried. + * + * Holds the contents of a post, page, category, attachment. + * + * @since 1.5.0 + * @access public + * @var object|array + */ var $queried_object; + + /** + * The ID of the queried object. + * + * @since 1.5.0 + * @access public + * @var int + */ var $queried_object_id; + + /** + * Get post database query. + * + * @since 2.0.1 + * @access public + * @var string + */ var $request; + /** + * List of posts. + * + * @since 1.5.0 + * @access public + * @var array + */ var $posts; + + /** + * The amount of posts for the current query. + * + * @since 1.5.0 + * @access public + * @var int + */ var $post_count = 0; + + /** + * Index of the current item in the loop. + * + * @since 1.5.0 + * @access public + * @var int + */ var $current_post = -1; + + /** + * Whether the loop has started and the caller is in the loop. + * + * @since 2.0.0 + * @access public + * @var bool + */ var $in_the_loop = false; + + /** + * The current post ID. + * + * @since 1.5.0 + * @access public + * @var object + */ var $post; + /** + * The list of comments for current post. + * + * @since 2.2.0 + * @access public + * @var array + */ var $comments; + + /** + * The amount of comments for the posts. + * + * @since 2.2.0 + * @access public + * @var int + */ var $comment_count = 0; + + /** + * The index of the comment in the comment loop. + * + * @since 2.2.0 + * @access public + * @var int + */ var $current_comment = -1; + + /** + * Current comment ID. + * + * @since 2.2.0 + * @access public + * @var int + */ var $comment; + /** + * Amount of posts if limit clause was not used. + * + * @since 2.1.0 + * @access public + * @var int + */ var $found_posts = 0; + + /** + * The amount of pages. + * + * @since 2.1.0 + * @access public + * @var int + */ var $max_num_pages = 0; + /** + * The amount of comment pages. + * + * @since 2.7.0 + * @access public + * @var int + */ + var $max_num_comment_pages = 0; + + /** + * Set if query is single post. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_single = false; + + /** + * Set if query is preview of blog. + * + * @since 2.0.0 + * @access public + * @var bool + */ var $is_preview = false; + + /** + * Set if query returns a page. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_page = false; + + /** + * Set if query is an archive list. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_archive = false; + + /** + * Set if query is part of a date. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_date = false; + + /** + * Set if query contains a year. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_year = false; + + /** + * Set if query contains a month. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_month = false; + + /** + * Set if query contains a day. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_day = false; + + /** + * Set if query contains time. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_time = false; + + /** + * Set if query contains an author. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_author = false; + + /** + * Set if query contains category. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_category = false; + + /** + * Set if query contains tag. + * + * @since 2.3.0 + * @access public + * @var bool + */ var $is_tag = false; + + /** + * Set if query contains taxonomy. + * + * @since 2.5.0 + * @access public + * @var bool + */ + var $is_tax = false; + + /** + * Set if query was part of a search result. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_search = false; + + /** + * Set if query is feed display. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_feed = false; + + /** + * Set if query is comment feed display. + * + * @since 2.2.0 + * @access public + * @var bool + */ var $is_comment_feed = false; + + /** + * Set if query is trackback. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_trackback = false; + + /** + * Set if query is blog homepage. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_home = false; + + /** + * Set if query couldn't found anything. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_404 = false; + + /** + * Set if query is within comments popup window. + * + * @since 1.5.0 + * @access public + * @var bool + */ 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. + * + * @since 1.5.0 + * @access public + * @var bool + */ var $is_admin = false; + + /** + * Set if query is an attachment. + * + * @since 2.0.0 + * @access public + * @var bool + */ var $is_attachment = false; + + /** + * Set if is single, is a page, or is an attachment. + * + * @since 2.1.0 + * @access public + * @var bool + */ var $is_singular = false; + + /** + * Set if query is for robots. + * + * @since 2.1.0 + * @access public + * @var bool + */ var $is_robots = false; + + /** + * Set if query contains posts. + * + * Basically, the homepage if the option isn't set for the static homepage. + * + * @since 2.1.0 + * @access public + * @var bool + */ 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; + + /** + * Resets query flags to false. + * + * The query flags are what page info WordPress was able to figure out. + * + * @since 2.0.0 + * @access private + */ function init_query_flags() { $this->is_single = false; + $this->is_preview = false; $this->is_page = false; $this->is_archive = false; $this->is_date = false; @@ -350,21 +1299,30 @@ class WP_Query { $this->is_author = false; $this->is_category = false; $this->is_tag = false; + $this->is_tax = false; $this->is_search = false; $this->is_feed = false; $this->is_comment_feed = false; $this->is_trackback = false; $this->is_home = false; $this->is_404 = false; + $this->is_comments_popup = false; $this->is_paged = false; $this->is_admin = false; $this->is_attachment = false; $this->is_singular = false; $this->is_robots = false; $this->is_posts_page = false; + $this->is_post_type_archive = false; } - function init () { + /** + * Initiates object properties and sets default values. + * + * @since 1.5.0 + * @access public + */ + function init() { unset($this->posts); unset($this->query); $this->query_vars = array(); @@ -373,26 +1331,49 @@ 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(); } - // Reparse the query vars. + /** + * Reparse the query vars. + * + * @since 1.5.0 + * @access public + */ function parse_query_vars() { - $this->parse_query(''); + $this->parse_query(); } + /** + * Fills in the query variables, which do not exist within the parameter. + * + * @since 2.1.0 + * @access public + * + * @param array $array Defined query variables. + * @return array Complete query variables with undefined ones filled in empty. + */ function fill_query_vars($array) { $keys = array( 'error' , 'm' , 'p' + , 'post_parent' , 'subpost' , 'subpost_id' , 'attachment' , 'attachment_id' , 'name' - , 'hour' , 'static' , 'pagename' , 'page_id' @@ -405,57 +1386,73 @@ class WP_Query { , 'w' , 'category_name' , 'tag' + , 'cat' , 'tag_id' , 'author_name' , 'feed' , 'tb' , 'paged' , 'comments_popup' + , 'meta_key' + , 'meta_value' , 'preview' + , 's' + , 'sentence' + , 'fields' ); - foreach ($keys as $key) { - if ( !isset($array[$key])) + foreach ( $keys as $key ) { + if ( !isset($array[$key]) ) $array[$key] = ''; } - $array_keys = array('category__in', 'category__not_in', 'category__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'); foreach ( $array_keys as $key ) { - if ( !isset($array[$key])) + if ( !isset($array[$key]) ) $array[$key] = array(); } return $array; } - // Parse a query string and set query type booleans. - function parse_query ($query) { - if ( !empty($query) || !isset($this->query) ) { + /** + * Parse a query string and set query type booleans. + * + * @since 1.5.0 + * @access public + * + * @param string|array $query Optional 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; - $qv['p'] = (int) $qv['p']; - $qv['page_id'] = (int) $qv['page_id']; - $qv['year'] = (int) $qv['year']; - $qv['monthnum'] = (int) $qv['monthnum']; - $qv['day'] = (int) $qv['day']; - $qv['w'] = (int) $qv['w']; - $qv['m'] = (int) $qv['m']; - if ( '' !== $qv['hour'] ) $qv['hour'] = (int) $qv['hour']; - if ( '' !== $qv['minute'] ) $qv['minute'] = (int) $qv['minute']; - if ( '' !== $qv['second'] ) $qv['second'] = (int) $qv['second']; + $qv['p'] = absint($qv['p']); + $qv['page_id'] = absint($qv['page_id']); + $qv['year'] = absint($qv['year']); + $qv['monthnum'] = absint($qv['monthnum']); + $qv['day'] = absint($qv['day']); + $qv['w'] = absint($qv['w']); + $qv['m'] = absint($qv['m']); + $qv['paged'] = absint($qv['paged']); + $qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // 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']); // Compat. Map subpost to attachment. if ( '' != $qv['subpost'] ) @@ -463,7 +1460,7 @@ class WP_Query { if ( '' != $qv['subpost_id'] ) $qv['attachment_id'] = $qv['subpost_id']; - $qv['attachment_id'] = (int) $qv['attachment_id']; + $qv['attachment_id'] = absint($qv['attachment_id']); if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) { $this->is_single = true; @@ -479,10 +1476,12 @@ 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; @@ -500,21 +1499,21 @@ class WP_Query { } if ( $qv['day'] ) { - if (! $this->is_date) { + if ( ! $this->is_date ) { $this->is_day = true; $this->is_date = true; } } if ( $qv['monthnum'] ) { - if (! $this->is_date) { + if ( ! $this->is_date ) { $this->is_month = true; $this->is_date = true; } } if ( $qv['year'] ) { - if (! $this->is_date) { + if ( ! $this->is_date ) { $this->is_year = true; $this->is_date = true; } @@ -522,95 +1521,39 @@ class WP_Query { if ( $qv['m'] ) { $this->is_date = true; - if (strlen($qv['m']) > 9) { + if ( strlen($qv['m']) > 9 ) { $this->is_time = true; - } else if (strlen($qv['m']) > 7) { + } else if ( strlen($qv['m']) > 7 ) { $this->is_day = true; - } else if (strlen($qv['m']) > 5) { + } else if ( strlen($qv['m']) > 5 ) { $this->is_month = true; } else { $this->is_year = true; } } - if ('' != $qv['w']) { + if ( '' != $qv['w'] ) { $this->is_date = true; } - if ( empty($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 ); + + 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; + } } } - - if ( '' != $qv['category_name'] ) { - $this->is_category = true; - } - - if ( !is_array($qv['category__in']) || empty($qv['category__in']) ) { - $qv['category__in'] = array(); - } else { - $qv['category__in'] = array_map('intval', $qv['category__in']); - $this->is_category = true; - } - - if ( !is_array($qv['category___not_in']) || empty($qv['category__not_in']) ) { - $qv['category__not_in'] = array(); - } else { - $qv['category__not_in'] = array_map('intval', $qv['category__not_in']); - } - - if ( !is_array($qv['category__and']) || empty($qv['category__and']) ) { - $qv['category__and'] = array(); - } else { - $qv['category__and'] = array_map('intval', $qv['category__and']); - $this->is_category = true; - } - - if ( '' != $qv['tag'] ) - $this->is_tag = true; - - $qv['tag_id'] = (int) $qv['tag_id']; - if ( !empty($qv['tag_id']) ) - $this->is_tag = true; - - if ( !is_array($qv['tag__in']) || empty($qv['tag__in']) ) { - $qv['tag__in'] = array(); - } else { - $qv['tag__in'] = array_map('intval', $qv['tag__in']); - $this->is_tag = true; - } - - if ( !is_array($qv['tag___not_in']) || empty($qv['tag__not_in']) ) { - $qv['tag__not_in'] = array(); - } else { - $qv['tag__not_in'] = array_map('intval', $qv['tag__not_in']); - } - - if ( !is_array($qv['tag__and']) || empty($qv['tag__and']) ) { - $qv['tag__and'] = array(); - } else { - $qv['tag__and'] = array_map('intval', $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; - } + unset( $tax_query ); if ( empty($qv['author']) || ($qv['author'] == '0') ) { $this->is_author = false; @@ -618,11 +1561,16 @@ class WP_Query { $this->is_author = true; } - if ( '' != $qv['author_name'] ) { + if ( '' != $qv['author_name'] ) $this->is_author = true; + + if ( !empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) { + $post_type_obj = get_post_type_object( $qv['post_type'] ); + if ( ! empty( $post_type_obj->has_archive ) ) + $this->is_post_type_archive = true; } - if ( ($this->is_date || $this->is_author || $this->is_category || $this->is_tag ) ) + 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; } @@ -632,14 +1580,14 @@ class WP_Query { if ( '' != $qv['tb'] ) $this->is_trackback = true; - if ( '' != $qv['paged'] ) + if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) ) $this->is_paged = true; if ( '' != $qv['comments_popup'] ) $this->is_comments_popup = true; // if we're previewing inside the write screen - if ('' != $qv['preview']) + if ( '' != $qv['preview'] ) $this->is_preview = true; if ( is_admin() ) @@ -655,14 +1603,25 @@ class WP_Query { if ( $this->is_feed && ( !empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) ) $this->is_comment_feed = true; - if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup ) ) + if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup || $this->is_robots ) ) $this->is_home = true; // Correct is_* for page_on_front and page_for_posts - if ( $this->is_home && ( empty($this->query) || $qv['preview'] == 'true' ) && 'page' == get_option('show_on_front') && get_option('page_on_front') ) { - $this->is_page = true; - $this->is_home = false; - $qv['page_id'] = get_option('page_on_front'); + if ( $this->is_home && 'page' == get_option('show_on_front') && get_option('page_on_front') ) { + $_query = wp_parse_args($this->query); + // pagename can be set and empty depending on matched rewrite rules. Ignore an empty pagename. + if ( isset($_query['pagename']) && '' == $_query['pagename'] ) + unset($_query['pagename']); + if ( empty($_query) || !array_diff( array_keys($_query), array('preview', 'page', 'paged', 'cpage') ) ) { + $this->is_page = true; + $this->is_home = false; + $qv['page_id'] = get_option('page_on_front'); + // Correct for page_on_front + if ( !empty($qv['paged']) ) { + $qv['page'] = $qv['paged']; + unset($qv['paged']); + } + } } if ( '' != $qv['pagename'] ) { @@ -687,81 +1646,355 @@ class WP_Query { } } - if ( !empty($qv['post_type']) ) - $qv['post_type'] = sanitize_user($qv['post_type'], true); + if ( !empty($qv['post_type']) ) { + if ( is_array($qv['post_type']) ) + $qv['post_type'] = array_map('sanitize_key', $qv['post_type']); + else + $qv['post_type'] = sanitize_key($qv['post_type']); + } - if ( !empty($qv['post_status']) ) - $qv['post_status'] = sanitize_user($qv['post_status'], true); + 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 ( $this->is_posts_page && !$qv['withcomments'] ) + if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) ) $this->is_comment_feed = false; $this->is_singular = $this->is_single || $this->is_page || $this->is_attachment; // Done correcting is_* for page_on_front and page_for_posts - if ('404' == $qv['error']) + if ( '404' == $qv['error'] ) $this->set_404(); - if ( !empty($query) ) - do_action_ref_array('parse_query', array(&$this)); - } - - function set_404() { - $is_feed = $this->is_feed; - - $this->init_query_flags(); - $this->is_404 = true; + $this->query_vars_hash = md5( serialize( $this->query_vars ) ); + $this->query_vars_changed = false; - $this->is_feed = $is_feed; + do_action_ref_array('parse_query', array(&$this)); } - function get($query_var) { - if (isset($this->query_vars[$query_var])) { - return $this->query_vars[$query_var]; + /* + * 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 { + $tax_query = array(); } - return ''; - } - - function set($query_var, $value) { - $this->query_vars[$query_var] = $value; - } + if ( !empty($q['taxonomy']) && !empty($q['term']) ) { + $tax_query[] = array( + 'taxonomy' => $q['taxonomy'], + 'terms' => array( $q['term'] ), + 'field' => 'slug', + ); + } - function &get_posts() { - global $wpdb, $pagenow, $user_ID; + foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) { + if ( 'post_tag' == $taxonomy ) + continue; // Handled further down in the $q['tag'] block - do_action_ref_array('pre_get_posts', array(&$this)); + if ( $t->query_var && !empty( $q[$t->query_var] ) ) { + $tax_query_defaults = array( + 'taxonomy' => $taxonomy, + 'field' => 'slug', + ); - // Shorthand. - $q = &$this->query_vars; + if ( isset( $t->rewrite['hierarchical'] ) && $t->rewrite['hierarchical'] ) { + $q[$t->query_var] = wp_basename( $q[$t->query_var] ); + } - $q = $this->fill_query_vars($q); + $term = $q[$t->query_var]; - // First let's clear some variables - $distinct = ''; - $whichcat = ''; - $whichauthor = ''; - $whichpage = ''; - $result = ''; - $where = ''; - $limits = ''; - $join = ''; - $search = ''; - $groupby = ''; + if ( strpos($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( '/[,]+/', $term ) + ) ); + } + } + } - if ( !isset($q['post_type']) ) - $q['post_type'] = 'post'; - $post_type = $q['post_type']; - if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 ) - $q['posts_per_page'] = get_option('posts_per_page'); - if ( isset($q['showposts']) && $q['showposts'] ) { - $q['showposts'] = (int) $q['showposts']; + // Category stuff + if ( !empty($q['cat']) && '0' != $q['cat'] && !$this->is_singular && $this->query_vars_changed ) { + $q['cat'] = ''.urldecode($q['cat']).''; + $q['cat'] = addslashes_gpc($q['cat']); + $cat_array = preg_split('/[,\s]+/', $q['cat']); + $q['cat'] = ''; + $req_cats = array(); + foreach ( (array) $cat_array as $cat ) { + $cat = intval($cat); + $req_cats[] = $cat; + $in = ($cat > 0); + $cat = abs($cat); + if ( $in ) { + $q['category__in'][] = $cat; + $q['category__in'] = array_merge( $q['category__in'], get_term_children($cat, 'category') ); + } else { + $q['category__not_in'][] = $cat; + $q['category__not_in'] = array_merge( $q['category__not_in'], get_term_children($cat, 'category') ); + } + } + $q['cat'] = implode(',', $req_cats); + } + + if ( !empty($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('/[,\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; + } + } 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 ); + } + + /** + * Sets the 404 property and saves whether query is feed. + * + * @since 2.0.0 + * @access public + */ + function set_404() { + $is_feed = $this->is_feed; + + $this->init_query_flags(); + $this->is_404 = true; + + $this->is_feed = $is_feed; + } + + /** + * Retrieve query variable. + * + * @since 1.5.0 + * @access public + * + * @param string $query_var Query variable key. + * @return mixed + */ + function get($query_var) { + if ( isset($this->query_vars[$query_var]) ) + return $this->query_vars[$query_var]; + + return ''; + } + + /** + * Set query variable. + * + * @since 1.5.0 + * @access public + * + * @param string $query_var Query variable key. + * @param mixed $value Query variable value. + */ + function set($query_var, $value) { + $this->query_vars[$query_var] = $value; + } + + /** + * Retrieve the posts based on query variables. + * + * There are a few filters and actions that can be used to modify the post + * database query. + * + * @since 1.5.0 + * @access public + * @uses do_action_ref_array() Calls 'pre_get_posts' hook before retrieving posts. + * + * @return array List of posts. + */ + function &get_posts() { + global $wpdb, $user_ID, $_wp_using_ext_object_cache; + + $this->parse_query(); + + do_action_ref_array('pre_get_posts', array(&$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 = ''; + $whichauthor = ''; + $whichmimetype = ''; + $where = ''; + $limits = ''; + $join = ''; + $search = ''; + $groupby = ''; + $fields = ''; + $post_status_join = false; + $page = 1; + + if ( isset( $q['caller_get_posts'] ) ) { + _deprecated_argument( 'WP_Query', '3.1', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) ); + if ( !isset( $q['ignore_sticky_posts'] ) ) + $q['ignore_sticky_posts'] = $q['caller_get_posts']; + } + + if ( !isset( $q['ignore_sticky_posts'] ) ) + $q['ignore_sticky_posts'] = false; + + if ( !isset($q['suppress_filters']) ) + $q['suppress_filters'] = false; + + if ( !isset($q['cache_results']) ) { + if ( $_wp_using_ext_object_cache ) + $q['cache_results'] = false; + else + $q['cache_results'] = true; + } + + if ( !isset($q['update_post_term_cache']) ) + $q['update_post_term_cache'] = true; + + if ( !isset($q['update_post_meta_cache']) ) + $q['update_post_meta_cache'] = true; + + if ( !isset($q['post_type']) ) { + if ( $this->is_search ) + $q['post_type'] = 'any'; + else + $q['post_type'] = ''; + } + $post_type = $q['post_type']; + if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 ) + $q['posts_per_page'] = get_option('posts_per_page'); + if ( isset($q['showposts']) && $q['showposts'] ) { + $q['showposts'] = (int) $q['showposts']; $q['posts_per_page'] = $q['showposts']; } if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) ) $q['posts_per_page'] = $q['posts_per_archive_page']; if ( !isset($q['nopaging']) ) { - if ($q['posts_per_page'] == -1) { + if ( $q['posts_per_page'] == -1 ) { $q['nopaging'] = true; } else { $q['nopaging'] = false; @@ -777,103 +2010,167 @@ class WP_Query { else if ( $q['posts_per_page'] == 0 ) $q['posts_per_page'] = 1; + if ( !isset($q['comments_per_page']) || $q['comments_per_page'] == 0 ) + $q['comments_per_page'] = get_option('comments_per_page'); + if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) { $this->is_page = true; $this->is_home = false; $q['page_id'] = get_option('page_on_front'); } - if (isset($q['page'])) { + if ( isset($q['page']) ) { $q['page'] = trim($q['page'], '/'); - $q['page'] = (int) $q['page']; - $q['page'] = abs($q['page']); + $q['page'] = absint($q['page']); } - $add_hours = intval(get_option('gmt_offset')); - $add_minutes = intval(60 * (get_option('gmt_offset') - $add_hours)); - $wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)"; + // If true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present. + if ( isset($q['no_found_rows']) ) + $q['no_found_rows'] = (bool) $q['no_found_rows']; + else + $q['no_found_rows'] = false; + + switch ( $q['fields'] ) { + case 'ids': + $fields = "$wpdb->posts.ID"; + break; + case 'id=>parent': + $fields = "$wpdb->posts.ID, $wpdb->posts.post_parent"; + break; + default: + $fields = "$wpdb->posts.*"; + } // If a month is specified in the querystring, load that month if ( $q['m'] ) { $q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']); - $where .= ' AND YEAR(post_date)=' . substr($q['m'], 0, 4); - if (strlen($q['m'])>5) - $where .= ' AND MONTH(post_date)=' . substr($q['m'], 4, 2); - if (strlen($q['m'])>7) - $where .= ' AND DAYOFMONTH(post_date)=' . substr($q['m'], 6, 2); - if (strlen($q['m'])>9) - $where .= ' AND HOUR(post_date)=' . substr($q['m'], 8, 2); - if (strlen($q['m'])>11) - $where .= ' AND MINUTE(post_date)=' . substr($q['m'], 10, 2); - if (strlen($q['m'])>13) - $where .= ' AND SECOND(post_date)=' . substr($q['m'], 12, 2); + $where .= " AND YEAR($wpdb->posts.post_date)=" . substr($q['m'], 0, 4); + if ( strlen($q['m']) > 5 ) + $where .= " AND MONTH($wpdb->posts.post_date)=" . substr($q['m'], 4, 2); + if ( strlen($q['m']) > 7 ) + $where .= " AND DAYOFMONTH($wpdb->posts.post_date)=" . substr($q['m'], 6, 2); + if ( strlen($q['m']) > 9 ) + $where .= " AND HOUR($wpdb->posts.post_date)=" . substr($q['m'], 8, 2); + if ( strlen($q['m']) > 11 ) + $where .= " AND MINUTE($wpdb->posts.post_date)=" . substr($q['m'], 10, 2); + if ( strlen($q['m']) > 13 ) + $where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2); } if ( '' !== $q['hour'] ) - $where .= " AND HOUR(post_date)='" . $q['hour'] . "'"; + $where .= " AND HOUR($wpdb->posts.post_date)='" . $q['hour'] . "'"; if ( '' !== $q['minute'] ) - $where .= " AND MINUTE(post_date)='" . $q['minute'] . "'"; + $where .= " AND MINUTE($wpdb->posts.post_date)='" . $q['minute'] . "'"; if ( '' !== $q['second'] ) - $where .= " AND SECOND(post_date)='" . $q['second'] . "'"; + $where .= " AND SECOND($wpdb->posts.post_date)='" . $q['second'] . "'"; if ( $q['year'] ) - $where .= " AND YEAR(post_date)='" . $q['year'] . "'"; + $where .= " AND YEAR($wpdb->posts.post_date)='" . $q['year'] . "'"; if ( $q['monthnum'] ) - $where .= " AND MONTH(post_date)='" . $q['monthnum'] . "'"; + $where .= " AND MONTH($wpdb->posts.post_date)='" . $q['monthnum'] . "'"; if ( $q['day'] ) - $where .= " AND DAYOFMONTH(post_date)='" . $q['day'] . "'"; + $where .= " AND DAYOFMONTH($wpdb->posts.post_date)='" . $q['day'] . "'"; + + // If we've got a post_type AND its not "any" post_type. + if ( !empty($q['post_type']) && 'any' != $q['post_type'] ) { + foreach ( (array)$q['post_type'] as $_post_type ) { + $ptype_obj = get_post_type_object($_post_type); + if ( !$ptype_obj || !$ptype_obj->query_var || empty($q[ $ptype_obj->query_var ]) ) + continue; + + if ( ! $ptype_obj->hierarchical || strpos($q[ $ptype_obj->query_var ], '/') === false ) { + // Non-hierarchical post_types & parent-level-hierarchical post_types can directly use 'name' + $q['name'] = $q[ $ptype_obj->query_var ]; + } else { + // Hierarchical post_types will operate through the + $q['pagename'] = $q[ $ptype_obj->query_var ]; + $q['name'] = ''; + } + + // Only one request for a slug is possible, this is why name & pagename are overwritten above. + break; + } //end foreach + unset($ptype_obj); + } - if ('' != $q['name']) { - $q['name'] = sanitize_title($q['name']); - $where .= " AND post_name = '" . $q['name'] . "'"; - } else if ('' != $q['pagename']) { - if ( isset($this->queried_object_id) ) + if ( '' != $q['name'] ) { + $q['name'] = sanitize_title_for_query( $q['name'] ); + $where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'"; + } elseif ( '' != $q['pagename'] ) { + if ( isset($this->queried_object_id) ) { $reqpage = $this->queried_object_id; - else { - $reqpage = get_page_by_path($q['pagename']); + } else { + if ( 'page' != $q['post_type'] ) { + foreach ( (array)$q['post_type'] as $_post_type ) { + $ptype_obj = get_post_type_object($_post_type); + if ( !$ptype_obj || !$ptype_obj->hierarchical ) + continue; + + $reqpage = get_page_by_path($q['pagename'], OBJECT, $_post_type); + if ( $reqpage ) + break; + } + unset($ptype_obj); + } else { + $reqpage = get_page_by_path($q['pagename']); + } if ( !empty($reqpage) ) $reqpage = $reqpage->ID; else $reqpage = 0; } - if ( ('page' != get_option('show_on_front') ) || ( $reqpage != get_option('page_for_posts') ) ) { - $q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename']))); - $page_paths = '/' . trim($q['pagename'], '/'); - $q['pagename'] = sanitize_title(basename($page_paths)); + $page_for_posts = get_option('page_for_posts'); + if ( ('page' != get_option('show_on_front') ) || empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) { + $q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) ); $q['name'] = $q['pagename']; - $where .= " AND (ID = '$reqpage')"; + $where .= " AND ($wpdb->posts.ID = '$reqpage')"; + $reqpage_obj = get_page($reqpage); + if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) { + $this->is_attachment = true; + $post_type = $q['post_type'] = 'attachment'; + $this->is_page = true; + $q['attachment_id'] = $reqpage; + } } - } elseif ('' != $q['attachment']) { - $q['attachment'] = str_replace('%2F', '/', urlencode(urldecode($q['attachment']))); - $attach_paths = '/' . trim($q['attachment'], '/'); - $q['attachment'] = sanitize_title(basename($attach_paths)); + } elseif ( '' != $q['attachment'] ) { + $q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) ); $q['name'] = $q['attachment']; - $where .= " AND post_name = '" . $q['attachment'] . "'"; + $where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'"; } if ( $q['w'] ) - $where .= " AND WEEK(post_date, 1)='" . $q['w'] . "'"; + $where .= ' AND ' . _wp_mysql_week( "`$wpdb->posts`.`post_date`" ) . " = '" . $q['w'] . "'"; if ( intval($q['comments_popup']) ) - $q['p'] = intval($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'] = $q['attachment_id']; + $q['p'] = absint($q['attachment_id']); // If a post number is specified, load that post - if ( $q['p'] ) - $where = ' AND ID = ' . $q['p']; + if ( $q['p'] ) { + $where .= " AND {$wpdb->posts}.ID = " . $q['p']; + } elseif ( $q['post__in'] ) { + $post__in = implode(',', array_map( 'absint', $q['post__in'] )); + $where .= " AND {$wpdb->posts}.ID IN ($post__in)"; + } elseif ( $q['post__not_in'] ) { + $post__not_in = implode(',', array_map( 'absint', $q['post__not_in'] )); + $where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)"; + } + + if ( is_numeric($q['post_parent']) ) + $where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] ); if ( $q['page_id'] ) { if ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) { $q['p'] = $q['page_id']; - $where = ' AND ID = ' . $q['page_id']; + $where = " AND {$wpdb->posts}.ID = " . $q['page_id']; } } @@ -881,322 +2178,347 @@ class WP_Query { if ( !empty($q['s']) ) { // added slashes screw with quote grouping when done early, so done later $q['s'] = stripslashes($q['s']); - if ($q['sentence']) { + if ( !empty($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', $matches[0]); } - else { - preg_match_all('/".*?("|$)|((?<=[\\s",+])|^)[^\\s",+]+/', $q[s], $matches); - $q['search_terms'] = array_map(create_function('$a', 'return trim($a, "\\"\'\\n\\r ");'), $matches[0]); - } - $n = ($q['exact']) ? '' : '%'; + $n = !empty($q['exact']) ? '' : '%'; $searchand = ''; - foreach((array)$q['search_terms'] as $term) { - $term = addslashes_gpc($term); - $search .= "{$searchand}((post_title LIKE '{$n}{$term}{$n}') OR (post_content LIKE '{$n}{$term}{$n}'))"; + foreach( (array) $q['search_terms'] as $term ) { + $term = esc_sql( like_escape( $term ) ); + $search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))"; $searchand = ' AND '; } - $term = addslashes_gpc($q['s']); - if (!$q['sentence'] && count($q['search_terms']) > 1 && $q['search_terms'][0] != $q['s'] ) - $search .= " OR (post_title LIKE '{$n}{$term}{$n}') OR (post_content LIKE '{$n}{$term}{$n}')"; - if ( !empty($search) ) + if ( !empty($search) ) { $search = " AND ({$search}) "; + if ( !is_user_logged_in() ) + $search .= " AND ($wpdb->posts.post_password = '') "; + } } - // Category stuff + // Allow plugins to contextually add/remove/modify the search section of the database query + $search = apply_filters_ref_array('posts_search', array( $search, &$this ) ); - 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']); - foreach ( $cat_array as $cat ) { - $cat = intval($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($cat, 'category')); - } - } - } + // Taxonomies + if ( !$this->is_singular ) { + $this->parse_tax_query( $q ); - if ( !empty($q['category__in']) || !empty($q['category__not_in']) || !empty($q['category__and']) ) { - $groupby = "{$wpdb->posts}.ID"; - } + $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']) ) { - $ids = get_objects_in_term($q['category__not_in'], 'category'); - if ( is_wp_error( $ids ) ) - return $ids; - if ( is_array($ids) && count($ids > 0) ) { - $out_posts = "'" . implode("', '", $ids) . "'"; - $whichcat .= " AND $wpdb->posts.ID NOT IN ($out_posts)"; + if ( $this->is_tax ) { + if ( empty($post_type) ) { + $post_type = 'any'; + $post_status_join = true; + } elseif ( in_array('attachment', (array) $post_type) ) { + $post_status_join = true; } } - // Category stuff for nice URLs - if ( '' != $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)); - - $cat_paths = '/' . trim(urldecode($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); - - if ( !empty($reqcat) ) - $reqcat = $reqcat->term_id; - else - $reqcat = 0; - - $q['cat'] = $reqcat; - - $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"; - } + // 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]; + + break; + } + } + } - // 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; + $cat_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'category' ) ); + if ( !empty( $cat_query ) ) { + $cat_query = reset( $cat_query ); + $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 ); } - } else if ( preg_match('/[+\s]+/', $q['tag']) ) { - $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; + unset( $cat_query ); + + $tag_query = wp_list_filter( $tax_query_in_and, array( 'taxonomy' => 'post_tag' ) ); + if ( !empty( $tag_query ) ) { + $tag_query = reset( $tag_query ); + $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'); - $reqtag = is_term( $q['tag'], 'post_tag' ); - if ( !empty($reqtag) ) - $reqtag = $reqtag['term_id']; - else - $reqtag = 0; - - $q['tag_id'] = $reqtag; - $q['tag__in'][] = $reqtag; + unset( $tag_query ); } } - if ( !empty($q['tag__in']) || !empty($q['tag__not_in']) || !empty($q['tag__and']) || - !empty($q['tag_slug__in']) || !empty($q['tag_slug__and']) ) { + if ( !empty( $this->tax_query->queries ) || !empty( $this->meta_query->queries ) ) { $groupby = "{$wpdb->posts}.ID"; } - if ( !empty($q['tag__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 = 'post_tag' "; - $include_tags = "'" . implode("', '", $q['tag__in']) . "'"; - $whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_tags) "; - $reqtag = is_term( $q['tag__in'][0], 'post_tag' ); - if ( !empty($reqtag) ) - $q['tag_id'] = $reqtag['term_id']; - } - - if ( !empty($q['tag_slug__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) 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 = is_term( $q['tag_slug__in'][0], 'post_tag' ); - if ( !empty($reqtag) ) - $q['tag_id'] = $reqtag['term_id']; - } - - if ( !empty($q['tag__not_in']) ) { - $ids = get_objects_in_term($q['tag__not_in'], 'post_tag'); - if ( is_array($ids) && count($ids > 0) ) { - $out_posts = "'" . implode("', '", $ids) . "'"; - $whichcat .= " AND $wpdb->posts.ID NOT IN ($out_posts)"; - } - } - - // Tag and slug intersections. - $intersections = array('category__and' => 'category', 'tag__and' => 'post_tag', 'tag_slug__and' => 'post_tag'); - foreach ($intersections as $item => $taxonomy) { - if ( empty($q[$item]) ) continue; - - if ( $item != 'category__and' ) { - $reqtag = is_term( $q[$item][0], 'post_tag' ); - if ( !empty($reqtag) ) - $q['tag_id'] = $reqtag['term_id']; - } - - $taxonomy_field = $item == 'tag_slug__and' ? 'slug' : '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]) . "')"; - $tsql .= " GROUP BY p.ID HAVING count(p.ID) = " . count($q[$item]); - - $post_ids = $wpdb->get_col($tsql); - - if ( count($post_ids) ) - $whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") "; - else { - $whichcat = " AND 0 = 1"; - break; - } - } - // Author/user stuff if ( empty($q['author']) || ($q['author'] == '0') ) { - $whichauthor=''; + $whichauthor = ''; } else { - $q['author'] = ''.urldecode($q['author']).''; + $q['author'] = (string)urldecode($q['author']); $q['author'] = addslashes_gpc($q['author']); - if (strpos($q['author'], '-') !== false) { + if ( strpos($q['author'], '-') !== false ) { $eq = '!='; $andor = 'AND'; $q['author'] = explode('-', $q['author']); - $q['author'] = ''.intval($q['author'][1]); + $q['author'] = (string)absint($q['author'][1]); } else { $eq = '='; $andor = 'OR'; } $author_array = preg_split('/[,\s]+/', $q['author']); - $whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]); - for ($i = 1; $i < (count($author_array)); $i = $i + 1) { - $whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]); - } - $whichauthor .= ')'; + $_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 + 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'] = $q['author_name'][count($q['author_name'])-2]; // there was a trailing slash } } - $q['author_name'] = sanitize_title($q['author_name']); - $q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'"); - $whichauthor .= ' AND (post_author = '.intval($q['author']).')'; + $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']) . ')'; } - $where .= $search.$whichcat.$whichauthor; + // MIME-Type stuff for attachment browsing + + if ( isset($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 . $whichauthor . $whichmimetype; if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) ) $q['order'] = 'DESC'; // Order by if ( empty($q['orderby']) ) { - $q['orderby'] = 'post_date '.$q['order']; + $orderby = "$wpdb->posts.post_date " . $q['order']; + } elseif ( 'none' == $q['orderby'] ) { + $orderby = ''; } else { // Used to filter values - $allowed_keys = array('author', 'date', 'category', 'title', 'modified', 'menu_order'); + $allowed_keys = array('name', 'author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count'); + if ( !empty($q['meta_key']) ) { + $allowed_keys[] = $q['meta_key']; + $allowed_keys[] = 'meta_value'; + $allowed_keys[] = 'meta_value_num'; + } $q['orderby'] = urldecode($q['orderby']); $q['orderby'] = addslashes_gpc($q['orderby']); - $orderby_array = explode(' ',$q['orderby']); - if ( empty($orderby_array) ) - $orderby_array[] = $q['orderby']; - $q['orderby'] = ''; - for ($i = 0; $i < count($orderby_array); $i++) { + + $orderby_array = array(); + foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) { // Only allow certain values for safety - $orderby = $orderby_array[$i]; - if ( 'menu_order' != $orderby ) - $orderby = 'post_' . $orderby; - if ( in_array($orderby_array[$i], $allowed_keys) ) - $q['orderby'] .= (($i == 0) ? '' : ',') . "$orderby {$q['order']}"; + if ( ! in_array($orderby, $allowed_keys) ) + continue; + + switch ( $orderby ) { + case 'menu_order': + break; + case 'ID': + $orderby = "$wpdb->posts.ID"; + break; + case 'rand': + $orderby = 'RAND()'; + break; + case $q['meta_key']: + case 'meta_value': + $orderby = "$wpdb->postmeta.meta_value"; + break; + case 'meta_value_num': + $orderby = "$wpdb->postmeta.meta_value+0"; + break; + case 'comment_count': + $orderby = "$wpdb->posts.comment_count"; + break; + default: + $orderby = "$wpdb->posts.post_" . $orderby; + } + + $orderby_array[] = $orderby; } - if ( empty($q['orderby']) ) - $q['orderby'] = 'post_date '.$q['order']; + $orderby = implode( ',', $orderby_array ); + + if ( empty( $orderby ) ) + $orderby = "$wpdb->posts.post_date ".$q['order']; + else + $orderby .= " {$q['order']}"; } - if ( $this->is_attachment ) { - $where .= " AND post_type = 'attachment'"; - } elseif ($this->is_page) { - $where .= " AND post_type = 'page'"; - } elseif ($this->is_single) { - $where .= " AND post_type = 'post'"; + if ( is_array( $post_type ) ) { + $post_type_cap = 'multiple_post_type'; } else { - $where .= " AND post_type = '$post_type'"; + $post_type_object = get_post_type_object( $post_type ); + if ( empty( $post_type_object ) ) + $post_type_cap = $post_type; } - if ( isset($q['post_status']) && '' != $q['post_status'] ) { - $q_status = explode(',', $q['post_status']); + if ( 'any' == $post_type ) { + $in_search_post_types = get_post_types( array('exclude_from_search' => false) ); + if ( ! empty( $in_search_post_types ) ) + $where .= $wpdb->prepare(" AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')"); + } elseif ( !empty( $post_type ) && is_array( $post_type ) ) { + $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $post_type) . "')"; + } elseif ( ! empty( $post_type ) ) { + $where .= " AND $wpdb->posts.post_type = '$post_type'"; + $post_type_object = get_post_type_object ( $post_type ); + } elseif ( $this->is_attachment ) { + $where .= " AND $wpdb->posts.post_type = 'attachment'"; + $post_type_object = get_post_type_object ( 'attachment' ); + } elseif ( $this->is_page ) { + $where .= " AND $wpdb->posts.post_type = 'page'"; + $post_type_object = get_post_type_object ( 'page' ); + } else { + $where .= " AND $wpdb->posts.post_type = 'post'"; + $post_type_object = get_post_type_object ( 'post' ); + } + + if ( ! empty( $post_type_object ) ) { + $edit_cap = $post_type_object->cap->edit_post; + $read_cap = $post_type_object->cap->read_post; + $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 ( ! empty( $q['post_status'] ) ) { + $statuswheres = array(); + $q_status = $q['post_status']; + if ( ! is_array( $q_status ) ) + $q_status = explode(',', $q_status); $r_status = array(); - if ( in_array( 'draft' , $q_status ) ) - $r_status[] = "post_status = 'draft'"; - if ( in_array( 'pending', $q_status ) ) - $r_status[] = "post_status = 'pending'"; - if ( in_array( 'future' , $q_status ) ) - $r_status[] = "post_status = 'future'"; - if ( in_array( 'inherit' , $q_status ) ) - $r_status[] = "post_status = 'inherit'"; - if ( in_array( 'private', $q_status ) ) - $r_status[] = "post_status = 'private'"; - if ( in_array( 'publish', $q_status ) ) - $r_status[] = "post_status = 'publish'"; - if ( !empty($r_status) ) - $where .= " AND (" . join( ' OR ', $r_status ) . ")"; + $p_status = array(); + $e_status = array(); + if ( in_array('any', $q_status) ) { + foreach ( get_post_stati( array('exclude_from_search' => true) ) as $status ) + $e_status[] = "$wpdb->posts.post_status <> '$status'"; + } else { + foreach ( get_post_stati() as $status ) { + if ( in_array( $status, $q_status ) ) { + if ( 'private' == $status ) + $p_status[] = "$wpdb->posts.post_status = '$status'"; + else + $r_status[] = "$wpdb->posts.post_status = '$status'"; + } + } + } + + if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) { + $r_status = array_merge($r_status, $p_status); + unset($p_status); + } + + if ( !empty($e_status) ) { + $statuswheres[] = "(" . join( ' AND ', $e_status ) . ")"; + } + if ( !empty($r_status) ) { + if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can($edit_others_cap) ) + $statuswheres[] = "($wpdb->posts.post_author = $user_ID " . "AND (" . join( ' OR ', $r_status ) . "))"; + else + $statuswheres[] = "(" . join( ' OR ', $r_status ) . ")"; + } + if ( !empty($p_status) ) { + if ( !empty($q['perm'] ) && 'readable' == $q['perm'] && !current_user_can($read_private_cap) ) + $statuswheres[] = "($wpdb->posts.post_author = $user_ID " . "AND (" . join( ' OR ', $p_status ) . "))"; + else + $statuswheres[] = "(" . join( ' OR ', $p_status ) . ")"; + } + if ( $post_status_join ) { + $join .= " LEFT JOIN $wpdb->posts AS p2 ON ($wpdb->posts.post_parent = p2.ID) "; + foreach ( $statuswheres as $index => $statuswhere ) + $statuswheres[$index] = "($statuswhere OR ($wpdb->posts.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))"; + } + foreach ( $statuswheres as $statuswhere ) + $where .= " AND $statuswhere"; } elseif ( !$this->is_singular ) { - $where .= " AND (post_status = 'publish'"; + $where .= " AND ($wpdb->posts.post_status = 'publish'"; + + // Add public states. + $public_states = get_post_stati( array('public' => true) ); + foreach ( (array) $public_states as $state ) { + if ( 'publish' == $state ) // Publish is hard-coded above. + continue; + $where .= " OR $wpdb->posts.post_status = '$state'"; + } - if ( is_admin() ) - $where .= " OR post_status = 'future' OR post_status = 'draft' OR post_status = 'pending'"; + if ( is_admin() ) { + // Add protected states that should show in the admin all list. + $admin_all_states = get_post_stati( array('protected' => true, 'show_in_admin_all_list' => true) ); + foreach ( (array) $admin_all_states as $state ) + $where .= " OR $wpdb->posts.post_status = '$state'"; + } if ( is_user_logged_in() ) { - $where .= current_user_can( "read_private_{$post_type}s" ) ? " OR post_status = 'private'" : " OR post_author = $user_ID AND post_status = 'private'"; + // 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 .= ')'; } + 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 // manipulations to them are reflected in the paging by day queries. - $where = apply_filters('posts_where', $where); - $join = apply_filters('posts_join', $join); + if ( !$q['suppress_filters'] ) { + $where = apply_filters_ref_array('posts_where', array( $where, &$this ) ); + $join = apply_filters_ref_array('posts_join', array( $join, &$this ) ); + } // Paging if ( empty($q['nopaging']) && !$this->is_singular ) { - $page = abs(intval($q['paged'])); - if (empty($page)) { + $page = absint($q['paged']); + if ( empty($page) ) $page = 1; - } if ( empty($q['offset']) ) { $pgstrt = ''; - $pgstrt = (intval($page) -1) * $q['posts_per_page'] . ', '; - $limits = 'LIMIT '.$pgstrt.$q['posts_per_page']; + $pgstrt = ($page - 1) * $q['posts_per_page'] . ', '; + $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; } else { // we're ignoring $page and using 'offset' - $q['offset'] = abs(intval($q['offset'])); + $q['offset'] = absint($q['offset']); $pgstrt = $q['offset'] . ', '; $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; } @@ -1205,25 +2527,31 @@ class WP_Query { // Comments feeds if ( $this->is_comment_feed && ( $this->is_archive || $this->is_search || !$this->is_singular ) ) { if ( $this->is_archive || $this->is_search ) { - $cjoin = "LEFT JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join "; + $cjoin = "JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join "; $cwhere = "WHERE comment_approved = '1' $where"; - $cgroupby = "GROUP BY $wpdb->comments.comment_id"; + $cgroupby = "$wpdb->comments.comment_id"; } else { // Other non singular e.g. front - $cjoin = "LEFT JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )"; + $cjoin = "JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )"; $cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'"; $cgroupby = ''; } - $cjoin = apply_filters('comment_feed_join', $cjoin); - $cwhere = apply_filters('comment_feed_where', $cwhere); - $cgroupby = apply_filters('comment_feed_groupby', $cgroupby); + if ( !$q['suppress_filters'] ) { + $cjoin = apply_filters_ref_array('comment_feed_join', array( $cjoin, &$this ) ); + $cwhere = apply_filters_ref_array('comment_feed_where', array( $cwhere, &$this ) ); + $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( $cgroupby, &$this ) ); + $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) ); + $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) ); + } + $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; + $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : ''; - $this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby ORDER BY comment_date_gmt DESC LIMIT " . get_option('posts_per_rss')); + $this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits"); $this->comment_count = count($this->comments); $post_ids = array(); - foreach ($this->comments as $comment) + foreach ( $this->comments as $comment ) $post_ids[] = (int) $comment->comment_post_ID; $post_ids = join(',', $post_ids); @@ -1234,91 +2562,209 @@ class WP_Query { $where = "AND 0"; } + $pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' ); + // Apply post-paging filters on where and join. Only plugins that // manipulate paging queries should use these hooks. + if ( !$q['suppress_filters'] ) { + $where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) ); + $groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) ); + $join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) ); + $orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) ); + $distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) ); + $limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) ); + $fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) ); + + // Filter all clauses at once, for convenience + $clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) ); + foreach ( $pieces as $piece ) + $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : ''; + } // Announce current selection parameters. For use by caching plugins. - do_action( 'posts_selection', $where . $groupby . $q['orderby'] . $limits . $join ); + do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join ); + + // Filter again for the benefit of caching plugins. Regular plugins should use the hooks above. + if ( !$q['suppress_filters'] ) { + $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) ); + $groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) ); + $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) ); + $orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) ); + $distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) ); + $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) ); + $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) ); + + // Filter all clauses at once, for convenience + $clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) ); + foreach ( $pieces as $piece ) + $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : ''; + } - $where = apply_filters('posts_where_paged', $where); - $groupby = apply_filters('posts_groupby', $groupby); if ( ! empty($groupby) ) $groupby = 'GROUP BY ' . $groupby; - $join = apply_filters('posts_join_paged', $join); - $orderby = apply_filters('posts_orderby', $q['orderby']); if ( !empty( $orderby ) ) $orderby = 'ORDER BY ' . $orderby; - $distinct = apply_filters('posts_distinct', $distinct); - $fields = apply_filters('posts_fields', "$wpdb->posts.*"); - $limits = apply_filters( 'post_limits', $limits ); + $found_rows = ''; - if ( !empty($limits) ) + if ( !$q['no_found_rows'] && !empty($limits) ) $found_rows = 'SQL_CALC_FOUND_ROWS'; - $request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits"; - $this->request = apply_filters('posts_request', $request); + $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 ) ); + + if ( 'ids' == $q['fields'] ) { + $this->posts = $wpdb->get_col($this->request); + + return $this->posts; + } + + if ( 'id=>parent' == $q['fields'] ) { + $this->posts = $wpdb->get_results($this->request); + + $r = array(); + foreach ( $this->posts as $post ) + $r[ $post->ID ] = $post->post_parent; + + return $r; + } $this->posts = $wpdb->get_results($this->request); - // Raw results filter. Prior to status checks. - $this->posts = apply_filters('posts_results', $this->posts); - if ( $this->is_comment_feed && $this->is_singular ) { - $cjoin = apply_filters('comment_feed_join', ''); - $cwhere = apply_filters('comment_feed_where', "WHERE comment_post_ID = {$this->posts[0]->ID} AND comment_approved = '1'"); - $comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere ORDER BY comment_date_gmt DESC LIMIT " . get_option('posts_per_rss'); + // Raw results filter. Prior to status checks. + if ( !$q['suppress_filters'] ) + $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) ); + + if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) { + $cjoin = apply_filters_ref_array('comment_feed_join', array( '', &$this ) ); + $cwhere = apply_filters_ref_array('comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) ); + $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( '', &$this ) ); + $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; + $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) ); + $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : ''; + $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) ); + $comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits"; $this->comments = $wpdb->get_results($comments_request); $this->comment_count = count($this->comments); } - if ( !empty($limits) ) { - $found_posts_query = apply_filters( 'found_posts_query', 'SELECT FOUND_ROWS()' ); + if ( !$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( 'found_posts', $this->found_posts ); + $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]); + $post_status_obj = get_post_status_object($status); //$type = get_post_type($this->posts[0]); - if ( ('publish' != $status) ) { + if ( !$post_status_obj->public ) { if ( ! is_user_logged_in() ) { // User must be logged in to view unpublished posts. $this->posts = array(); } else { - if (in_array($status, array('draft', 'pending')) ) { + if ( $post_status_obj->protected ) { // User must have edit permissions on the draft to preview. - if (! current_user_can('edit_post', $this->posts[0]->ID)) { + if ( ! current_user_can($edit_cap, $this->posts[0]->ID) ) { $this->posts = array(); } else { $this->is_preview = true; - $this->posts[0]->post_date = current_time('mysql'); - } - } else if ('future' == $status) { - $this->is_preview = true; - if (!current_user_can('edit_post', $this->posts[0]->ID)) { - $this->posts = array ( ); + if ( 'future' != $status ) + $this->posts[0]->post_date = current_time('mysql'); } - } else { - if (! current_user_can('read_post', $this->posts[0]->ID)) + } elseif ( $post_status_obj->private ) { + if ( ! current_user_can($read_cap, $this->posts[0]->ID) ) $this->posts = array(); + } else { + $this->posts = array(); } } } + + if ( $this->is_preview && current_user_can( $edit_cap, $this->posts[0]->ID ) ) + $this->posts[0] = apply_filters_ref_array('the_preview', array( $this->posts[0], &$this )); } - $this->posts = apply_filters('the_posts', $this->posts); + // Put sticky posts at the top of the posts array + $sticky_posts = get_option('sticky_posts'); + if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) { + $num_posts = count($this->posts); + $sticky_offset = 0; + // Loop over posts and relocate stickies to the front. + for ( $i = 0; $i < $num_posts; $i++ ) { + if ( in_array($this->posts[$i]->ID, $sticky_posts) ) { + $sticky_post = $this->posts[$i]; + // Remove sticky from current position + array_splice($this->posts, $i, 1); + // Move to front, after other stickies + array_splice($this->posts, $sticky_offset, 0, array($sticky_post)); + // Increment the sticky offset. The next sticky will be placed at this offset. + $sticky_offset++; + // Remove post from sticky posts array + $offset = array_search($sticky_post->ID, $sticky_posts); + unset( $sticky_posts[$offset] ); + } + } - update_post_caches($this->posts); + // If any posts have been excluded specifically, Ignore those that are sticky. + if ( !empty($sticky_posts) && !empty($q['post__not_in']) ) + $sticky_posts = array_diff($sticky_posts, $q['post__not_in']); + + // Fetch sticky posts that weren't in the query results + if ( !empty($sticky_posts) ) { + $stickies__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 = $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)); + $sticky_offset++; + } + } + } + + if ( !$q['suppress_filters'] ) + $this->posts = apply_filters_ref_array('the_posts', array( $this->posts, &$this ) ); $this->post_count = count($this->posts); - if ($this->post_count > 0) { + + // Always sanitize + foreach ( $this->posts as $i => $post ) { + $this->posts[$i] = sanitize_post( $post, 'raw' ); + } + + 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]; } return $this->posts; } + /** + * Set up the next post and iterate current post index. + * + * @since 1.5.0 + * @access public + * + * @return object Next post. + */ function next_post() { $this->current_post++; @@ -1327,21 +2773,44 @@ class WP_Query { return $this->post; } + /** + * Sets up the current post. + * + * Retrieves the next post, sets up the post, sets the 'in the loop' + * property to true. + * + * @since 1.5.0 + * @access public + * @uses $post + * @uses do_action_ref_array() Calls 'loop_start' if loop has just started + */ function the_post() { global $post; $this->in_the_loop = true; + + if ( $this->current_post == -1 ) // loop has just started + do_action_ref_array('loop_start', array(&$this)); + $post = $this->next_post(); setup_postdata($post); - - if ( $this->current_post == 0 ) // loop has just started - do_action('loop_start'); } + /** + * Whether there are more posts available in the loop. + * + * Calls action 'loop_end', when the loop is complete. + * + * @since 1.5.0 + * @access public + * @uses do_action_ref_array() Calls 'loop_end' if loop is ended + * + * @return bool True if posts are available, false if end of loop. + */ function have_posts() { - if ($this->current_post + 1 < $this->post_count) { + if ( $this->current_post + 1 < $this->post_count ) { return true; - } elseif ($this->current_post + 1 == $this->post_count) { - do_action('loop_end'); + } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) { + do_action_ref_array('loop_end', array(&$this)); // Do some cleaning up after the loop $this->rewind_posts(); } @@ -1350,13 +2819,27 @@ class WP_Query { return false; } + /** + * Rewind the posts and reset post index. + * + * @since 1.5.0 + * @access public + */ function rewind_posts() { $this->current_post = -1; - if ($this->post_count > 0) { + if ( $this->post_count > 0 ) { $this->post = $this->posts[0]; } } + /** + * Iterate current comment index and return comment object. + * + * @since 2.2.0 + * @access public + * + * @return object Comment object. + */ function next_comment() { $this->current_comment++; @@ -1364,115 +2847,697 @@ class WP_Query { return $this->comment; } + /** + * Sets up the current comment. + * + * @since 2.2.0 + * @access public + * @global object $comment Current comment. + * @uses do_action() Calls 'comment_loop_start' hook when first comment is processed. + */ function the_comment() { global $comment; $comment = $this->next_comment(); - if ($this->current_comment == 0) { + if ( $this->current_comment == 0 ) { do_action('comment_loop_start'); } } + /** + * Whether there are more comments available. + * + * Automatically rewinds comments when finished. + * + * @since 2.2.0 + * @access public + * + * @return bool True, if more comments. False, if no more posts. + */ function have_comments() { - if ($this->current_comment + 1 < $this->comment_count) { + if ( $this->current_comment + 1 < $this->comment_count ) { return true; - } elseif ($this->current_comment + 1 == $this->comment_count) { + } elseif ( $this->current_comment + 1 == $this->comment_count ) { $this->rewind_comments(); } return false; } + /** + * Rewind the comments, resets the comment index and comment to first. + * + * @since 2.2.0 + * @access public + */ function rewind_comments() { $this->current_comment = -1; - if ($this->comment_count > 0) { + if ( $this->comment_count > 0 ) { $this->comment = $this->comments[0]; } } - function &query($query) { - $this->parse_query($query); + /** + * Sets up the WordPress query by parsing query string. + * + * @since 1.5.0 + * @access public + * + * @param string $query URL query string. + * @return array List of posts. + */ + function &query( $query ) { + $this->init(); + $this->query = $this->query_vars = wp_parse_args( $query ); return $this->get_posts(); } + /** + * Retrieve queried object. + * + * If queried object is not set, then the queried object will be set from + * the category, tag, taxonomy, posts page, single post, page, or author + * query variable. After it is set up, it will be returned. + * + * @since 1.5.0 + * @access public + * + * @return object + */ function get_queried_object() { - if (isset($this->queried_object)) { + if ( isset($this->queried_object) ) return $this->queried_object; - } $this->queried_object = NULL; $this->queried_object_id = 0; - if ($this->is_category) { - $cat = $this->get('cat'); - $category = &get_category($cat); - $this->queried_object = &$category; - $this->queried_object_id = (int) $cat; - } else if ($this->is_tag) { - $tag_id = $this->get('tag_id'); - $tag = &get_term($tag_id, 'post_tag'); - if ( is_wp_error( $tag ) ) - return $tag; - $this->queried_object = &$tag; - $this->queried_object_id = (int) $tag_id; - } else if ($this->is_posts_page) { - $this->queried_object = & get_page(get_option('page_for_posts')); + if ( $this->is_category || $this->is_tag || $this->is_tax ) { + $tax_query_in_and = wp_list_filter( $this->tax_query->queries, array( 'operator' => 'NOT IN' ), 'NOT' ); + + $query = reset( $tax_query_in_and ); + + if ( '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 ( $term && ! is_wp_error($term) ) { + $this->queried_object = $term; + $this->queried_object_id = (int) $term->term_id; + + if ( $this->is_category ) + _make_cat_compat( $this->queried_object ); + } + } elseif ( $this->is_post_type_archive ) { + $this->queried_object = get_post_type_object( $this->get('post_type') ); + } elseif ( $this->is_posts_page ) { + $page_for_posts = get_option('page_for_posts'); + $this->queried_object = & get_page( $page_for_posts ); $this->queried_object_id = (int) $this->queried_object->ID; - } else if ($this->is_single) { - $this->queried_object = $this->post; - $this->queried_object_id = (int) $this->post->ID; - } else if ($this->is_page) { + } elseif ( $this->is_singular && !is_null($this->post) ) { $this->queried_object = $this->post; $this->queried_object_id = (int) $this->post->ID; - } else if ($this->is_author) { - $author_id = (int) $this->get('author'); - $author = get_userdata($author_id); - $this->queried_object = $author; - $this->queried_object_id = $author_id; + } elseif ( $this->is_author ) { + $this->queried_object_id = (int) $this->get('author'); + $this->queried_object = get_userdata( $this->queried_object_id ); } return $this->queried_object; } + /** + * Retrieve ID of the current queried object. + * + * @since 1.5.0 + * @access public + * + * @return int + */ function get_queried_object_id() { $this->get_queried_object(); - if (isset($this->queried_object_id)) { + if ( isset($this->queried_object_id) ) { return $this->queried_object_id; } return 0; } - function WP_Query ($query = '') { - if (! empty($query)) { + /** + * Constructor. + * + * Sets up the WordPress query, if parameter is not empty. + * + * @since 1.5.0 + * @access public + * + * @param string $query URL query string. + * @return WP_Query + */ + function __construct($query = '') { + if ( ! empty($query) ) { $this->query($query); } } -} + /** + * Is the query for an 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 a 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_object = $this->get_queried_object(); + + return in_array( $post_type_object->name, (array) $post_types ); + } + + /** + * Is the query for an attachment page? + * + * @since 3.1.0 + * + * @return bool + */ + function is_attachment() { + return (bool) $this->is_attachment; + } + + /** + * Is the query for an 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; + } -// Redirect old slugs -function wp_old_slug_redirect () { + /** + * Is the query for a 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 a 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 $slug Optional. Tag slug or array of slugs. + * @return bool + */ + function is_tag( $slug = '' ) { + if ( !$this->is_tag ) + return false; + + if ( empty( $slug ) ) + return true; + + $tag_obj = $this->get_queried_object(); + + $slug = (array) $slug; + + if ( in_array( $tag_obj->slug, $slug ) ) + return true; + + return false; + } + + /** + * Is the query for a 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; + + 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 + ) ); + } + + /** + * 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 a date archive? + * + * @since 3.1.0 + * + * @return bool + */ + function is_date() { + return (bool) $this->is_date; + } + + + /** + * Is the query for a 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 a month archive? + * + * @since 3.1.0 + * + * @return bool + */ + function is_month() { + return (bool) $this->is_month; + } + + /** + * Is the query for a 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 a 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 a 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 a specific year? + * + * @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; + } +} + +/** + * Redirect old slugs to the correct permalink. + * + * Attempts to find the current slug from the past slugs. + * + * @since 2.1.0 + * @uses $wp_query + * @uses $wpdb + * + * @return null If no link is found, null is returned. + */ +function wp_old_slug_redirect() { global $wp_query; if ( is_404() && '' != $wp_query->query_vars['name'] ) : global $wpdb; - $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); @@ -1480,35 +3545,37 @@ function wp_old_slug_redirect () { if ( !$link ) return; - wp_redirect($link, '301'); // Permanent redirect + wp_redirect( $link, 301 ); // Permanent redirect exit; endif; } - -// -// Private helper functions -// - -// Setup global post data. +/** + * Set up global post data. + * + * @since 1.5.0 + * + * @param object $post Post data. + * @uses do_action_ref_array() Calls 'the_post' + * @return bool True when finished. + */ function setup_postdata($post) { - global $id, $postdata, $authordata, $day, $currentmonth, $page, $pages, $multipage, $more, $numpages, $wp_query; - global $pagenow; + 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); - $currentmonth = mysql2date('m', $post->post_date); + $currentday = mysql2date('d.m.y', $post->post_date, false); + $currentmonth = mysql2date('m', $post->post_date, false); $numpages = 1; $page = get_query_var('page'); if ( !$page ) $page = 1; - if ( is_single() || is_page() ) + if ( is_single() || is_page() || is_feed() ) $more = 1; $content = $post->post_content; - if ( preg_match('//', $content) ) { + if ( strpos( $content, '' ) ) { if ( $page > 1 ) $more = 1; $multipage = 1; @@ -1518,10 +3585,12 @@ function setup_postdata($post) { $pages = explode('', $content); $numpages = count($pages); } else { - $pages[0] = $post->post_content; + $pages = array( $post->post_content ); $multipage = 0; } + + do_action_ref_array('the_post', array(&$post)); + return true; } - ?>