diff -r 0d9a58d2c515 -r 0d28b7c10758 web/wp-includes/query.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/wp-includes/query.php Fri Mar 12 13:29:04 2010 +0000 @@ -0,0 +1,2710 @@ +get($var); +} + +/** + * 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); +} + +/** + * Setup 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(); + return $GLOBALS['wp_query']->query($query); +} + +/** + * Destroy the previous query and setup 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 setup. + * + * @since 2.3.0 + * @uses $wp_query + */ +function wp_reset_query() { + unset($GLOBALS['wp_query']); + $GLOBALS['wp_query'] =& $GLOBALS['wp_the_query']; + global $wp_query; + if ( !empty($wp_query->post) ) { + $GLOBALS['post'] = $wp_query->post; + setup_postdata($wp_query->post); + } +} + +/* + * Query type checks. + */ + +/** + * Is query requesting an archive page. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool True if page is archive. + */ +function is_archive () { + global $wp_query; + + return $wp_query->is_archive; +} + +/** + * Is query requesting an attachment page. + * + * @since 2.0.0 + * @uses $wp_query + * + * @return bool True if page is attachment. + */ +function is_attachment () { + global $wp_query; + + return $wp_query->is_attachment; +} + +/** + * Is query requesting an author page. + * + * If the $author parameter is specified then the check will be expanded to + * include whether the queried author matches the one given in the parameter. + * You can match against integers and against strings. + * + * If matching against an integer, the ID should be used of the author for the + * test. If the $author is an ID and matches the author page user ID, then + * 'true' will be returned. + * + * If matching against strings, then the test will be matched against both the + * nickname and user nicename and will return true on success. + * + * @since 1.5.0 + * @uses $wp_query + * + * @param string|int $author Optional. Is current page this author. + * @return bool True if page is author or $author (if set). + */ +function is_author ($author = '') { + global $wp_query; + + if ( !$wp_query->is_author ) + return false; + + if ( empty($author) ) + return true; + + $author_obj = $wp_query->get_queried_object(); + + $author = (array) $author; + + if ( in_array( $author_obj->ID, $author ) ) + return true; + elseif ( in_array( $author_obj->nickname, $author ) ) + return true; + elseif ( in_array( $author_obj->user_nicename, $author ) ) + return true; + + return false; +} + +/** + * Whether current page query contains a category name or given category name. + * + * The category list can contain category IDs, names, or category slugs. If any + * of them are part of the query, then it will return true. + * + * @since 1.5.0 + * @uses $wp_query + * + * @param string|array $category Optional. + * @return bool + */ +function is_category ($category = '') { + global $wp_query; + + if ( !$wp_query->is_category ) + return false; + + if ( empty($category) ) + return true; + + $cat_obj = $wp_query->get_queried_object(); + + $category = (array) $category; + + if ( in_array( $cat_obj->term_id, $category ) ) + return true; + elseif ( in_array( $cat_obj->name, $category ) ) + return true; + elseif ( in_array( $cat_obj->slug, $category ) ) + return true; + + return false; +} + +/** + * Whether the current page query has the given tag slug or contains tag. + * + * @since 2.3.0 + * @uses $wp_query + * + * @param string|array $slug Optional. Single tag or list of tags to check for. + * @return bool + */ +function is_tag( $slug = '' ) { + global $wp_query; + + if ( !$wp_query->is_tag ) + return false; + + if ( empty( $slug ) ) + return true; + + $tag_obj = $wp_query->get_queried_object(); + + $slug = (array) $slug; + + if ( in_array( $tag_obj->slug, $slug ) ) + return true; + + return false; +} + +/** + * Whether the current page query has the given taxonomy slug or contains taxonomy. + * + * @since 2.5.0 + * @uses $wp_query + * + * @param string|array $slug Optional. Slug or slugs to check in current query. + * @return bool + */ +function is_tax( $slug = '' ) { + global $wp_query; + + if ( !$wp_query->is_tax ) + return false; + + if ( empty($slug) ) + return true; + + return in_array( get_query_var('taxonomy'), (array) $slug ); +} + +/** + * Whether the current URL is within the comments popup window. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_comments_popup () { + global $wp_query; + + return $wp_query->is_comments_popup; +} + +/** + * Whether current URL is based on a date. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_date () { + global $wp_query; + + return $wp_query->is_date; +} + +/** + * Whether current blog URL contains a day. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_day () { + global $wp_query; + + return $wp_query->is_day; +} + +/** + * Whether current page query is feed URL. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_feed () { + global $wp_query; + + return $wp_query->is_feed; +} + +/** + * Whether current page query is the front of the site. + * + * @since 2.5.0 + * @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') && is_home() ) + return true; + elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') && is_page(get_option('page_on_front')) ) + return true; + else + return false; +} + +/** + * Whether current page view is the blog homepage. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool True if blog view homepage. + */ +function is_home () { + global $wp_query; + + return $wp_query->is_home; +} + +/** + * Whether current page query contains a month. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_month () { + global $wp_query; + + return $wp_query->is_month; +} + +/** + * Whether query is page or contains given page(s). + * + * Calls the function without any parameters will only test whether the current + * query is of the page type. Either a list or a single item can be tested + * against for whether the query is a page and also is the value or one of the + * values in the page parameter. + * + * The parameter can contain the page ID, page title, or page name. The + * parameter can also be an array of those three values. + * + * @since 1.5.0 + * @uses $wp_query + * + * @param mixed $page Either page or list of pages to test against. + * @return bool + */ +function is_page ($page = '') { + global $wp_query; + + if ( !$wp_query->is_page ) + return false; + + if ( empty($page) ) + return true; + + $page_obj = $wp_query->get_queried_object(); + + $page = (array) $page; + + if ( in_array( $page_obj->ID, $page ) ) + return true; + elseif ( in_array( $page_obj->post_title, $page ) ) + return true; + else if ( in_array( $page_obj->post_name, $page ) ) + return true; + + return false; +} + +/** + * Whether query contains multiple pages for the results. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_paged () { + global $wp_query; + + return $wp_query->is_paged; +} + +/** + * Whether the current page was created by a plugin. + * + * The plugin can set this by using the global $plugin_page and setting it to + * true. + * + * @since 1.5.0 + * @global bool $plugin_page Used by plugins to tell the query that current is a plugin page. + * + * @return bool + */ +function is_plugin_page() { + global $plugin_page; + + if ( isset($plugin_page) ) + return true; + + return false; +} + +/** + * Whether the current query is preview of post or page. + * + * @since 2.0.0 + * @uses $wp_query + * + * @return bool + */ +function is_preview() { + global $wp_query; + + return $wp_query->is_preview; +} + +/** + * Whether the current query post is robots. + * + * @since 2.1.0 + * @uses $wp_query + * + * @return bool + */ +function is_robots() { + global $wp_query; + + return $wp_query->is_robots; +} + +/** + * Whether current query is the result of a user search. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_search () { + global $wp_query; + + return $wp_query->is_search; +} + +/** + * Whether the current page query is single page. + * + * The parameter can contain the post ID, post title, or post name. The + * parameter can also be an array of those three values. + * + * This applies to other post types, attachments, pages, posts. Just means that + * the current query has only a single object. + * + * @since 1.5.0 + * @uses $wp_query + * + * @param mixed $post Either post or list of posts to test against. + * @return bool + */ +function is_single ($post = '') { + global $wp_query; + + if ( !$wp_query->is_single ) + return false; + + if ( empty( $post) ) + return true; + + $post_obj = $wp_query->get_queried_object(); + + $post = (array) $post; + + if ( in_array( $post_obj->ID, $post ) ) + return true; + elseif ( in_array( $post_obj->post_title, $post ) ) + return true; + elseif ( in_array( $post_obj->post_name, $post ) ) + return true; + + return false; +} + +/** + * Whether is single post, is a page, or is an attachment. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_singular() { + global $wp_query; + + return $wp_query->is_singular; +} + +/** + * Whether the query contains a time. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_time () { + global $wp_query; + + return $wp_query->is_time; +} + +/** + * Whether the query is a trackback. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_trackback () { + global $wp_query; + + return $wp_query->is_trackback; +} + +/** + * Whether the query contains a year. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool + */ +function is_year () { + global $wp_query; + + return $wp_query->is_year; +} + +/** + * Whether current page query is a 404 and no results for WordPress query. + * + * @since 1.5.0 + * @uses $wp_query + * + * @return bool True, if nothing is found matching WordPress Query. + */ +function is_404 () { + global $wp_query; + + return $wp_query->is_404; +} + +/* + * 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; + + $wp_query->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(); +} + +/* + * 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 string + * + * @since 1.5.0 + * @access public + * @var string + */ + var $query; + + /** + * Query search variables set by the user. + * + * @since 1.5.0 + * @access public + * @var array + */ + var $query_vars = array(); + + /** + * 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 int + */ + 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 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; + + /** + * 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_page = false; + $this->is_archive = false; + $this->is_date = false; + $this->is_year = false; + $this->is_month = false; + $this->is_day = false; + $this->is_time = false; + $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_paged = false; + $this->is_admin = false; + $this->is_attachment = false; + $this->is_singular = false; + $this->is_robots = false; + $this->is_posts_page = false; + } + + /** + * Initiates object properties and sets default values. + * + * @since 1.5.0 + * @access public + */ + function init () { + unset($this->posts); + unset($this->query); + $this->query_vars = array(); + unset($this->queried_object); + unset($this->queried_object_id); + $this->post_count = 0; + $this->current_post = -1; + $this->in_the_loop = false; + + $this->init_query_flags(); + } + + /** + * Reparse the query vars. + * + * @since 1.5.0 + * @access public + */ + function parse_query_vars() { + $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) { + $keys = array( + 'error' + , 'm' + , 'p' + , 'post_parent' + , 'subpost' + , 'subpost_id' + , 'attachment' + , 'attachment_id' + , 'name' + , 'hour' + , 'static' + , 'pagename' + , 'page_id' + , 'second' + , 'minute' + , 'hour' + , 'day' + , 'monthnum' + , 'year' + , 'w' + , 'category_name' + , 'tag' + , 'cat' + , 'tag_id' + , 'author_name' + , 'feed' + , 'tb' + , 'paged' + , 'comments_popup' + , 'meta_key' + , 'meta_value' + , 'preview' + ); + + foreach ($keys as $key) { + if ( !isset($array[$key])) + $array[$key] = ''; + } + + $array_keys = array('category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in', + 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and'); + + foreach ( $array_keys as $key ) { + if ( !isset($array[$key])) + $array[$key] = array(); + } + return $array; + } + + /** + * Parse a query string and set query type booleans. + * + * @since 1.5.0 + * @access public + * + * @param string|array $query + */ + function parse_query ($query) { + if ( !empty($query) || !isset($this->query) ) { + $this->init(); + if ( is_array($query) ) + $this->query_vars = $query; + else + parse_str($query, $this->query_vars); + $this->query = $query; + } + + $this->query_vars = $this->fill_query_vars($this->query_vars); + $qv = &$this->query_vars; + + if ( ! empty($qv['robots']) ) + $this->is_robots = true; + + $qv['p'] = absint($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'] ) + $qv['attachment'] = $qv['subpost']; + if ( '' != $qv['subpost_id'] ) + $qv['attachment_id'] = $qv['subpost_id']; + + $qv['attachment_id'] = absint($qv['attachment_id']); + + if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) { + $this->is_single = true; + $this->is_attachment = true; + } elseif ( '' != $qv['name'] ) { + $this->is_single = true; + } elseif ( $qv['p'] ) { + $this->is_single = true; + } elseif ( ('' !== $qv['hour']) && ('' !== $qv['minute']) &&('' !== $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day']) ) { + // If year, month, day, hour, minute, and second are set, a single + // post is being queried. + $this->is_single = true; + } 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. + + if ( '' !== $qv['second'] ) { + $this->is_time = true; + $this->is_date = true; + } + + if ( '' !== $qv['minute'] ) { + $this->is_time = true; + $this->is_date = true; + } + + if ( '' !== $qv['hour'] ) { + $this->is_time = true; + $this->is_date = true; + } + + if ( $qv['day'] ) { + if (! $this->is_date) { + $this->is_day = true; + $this->is_date = true; + } + } + + if ( $qv['monthnum'] ) { + if (! $this->is_date) { + $this->is_month = true; + $this->is_date = true; + } + } + + if ( $qv['year'] ) { + if (! $this->is_date) { + $this->is_year = true; + $this->is_date = true; + } + } + + if ( $qv['m'] ) { + $this->is_date = true; + if (strlen($qv['m']) > 9) { + $this->is_time = true; + } else if (strlen($qv['m']) > 7) { + $this->is_day = true; + } else if (strlen($qv['m']) > 5) { + $this->is_month = true; + } else { + $this->is_year = true; + } + } + + 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; + } + } + + 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('absint', $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('absint', $qv['category__not_in']); + } + + if ( !is_array($qv['category__and']) || empty($qv['category__and']) ) { + $qv['category__and'] = array(); + } else { + $qv['category__and'] = array_map('absint', $qv['category__and']); + $this->is_category = true; + } + + if ( '' != $qv['tag'] ) + $this->is_tag = true; + + $qv['tag_id'] = absint($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('absint', $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('absint', $qv['tag__not_in']); + } + + if ( !is_array($qv['tag__and']) || empty($qv['tag__and']) ) { + $qv['tag__and'] = array(); + } else { + $qv['tag__and'] = array_map('absint', $qv['tag__and']); + $this->is_category = true; + } + + if ( !is_array($qv['tag_slug__in']) || empty($qv['tag_slug__in']) ) { + $qv['tag_slug__in'] = array(); + } else { + $qv['tag_slug__in'] = array_map('sanitize_title', $qv['tag_slug__in']); + $this->is_tag = true; + } + + if ( !is_array($qv['tag_slug__and']) || empty($qv['tag_slug__and']) ) { + $qv['tag_slug__and'] = array(); + } else { + $qv['tag_slug__and'] = array_map('sanitize_title', $qv['tag_slug__and']); + $this->is_tag = true; + } + + if ( empty($qv['taxonomy']) || empty($qv['term']) ) { + $this->is_tax = false; + foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) { + if ( $t->query_var && isset($qv[$t->query_var]) && '' != $qv[$t->query_var] ) { + $qv['taxonomy'] = $taxonomy; + $qv['term'] = $qv[$t->query_var]; + $this->is_tax = true; + break; + } + } + } else { + $this->is_tax = true; + } + + if ( empty($qv['author']) || ($qv['author'] == '0') ) { + $this->is_author = false; + } else { + $this->is_author = true; + } + + if ( '' != $qv['author_name'] ) { + $this->is_author = true; + } + + if ( ($this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax) ) + $this->is_archive = true; + } + + if ( '' != $qv['feed'] ) + $this->is_feed = true; + + if ( '' != $qv['tb'] ) + $this->is_trackback = true; + + if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) ) + $this->is_paged = true; + + if ( '' != $qv['comments_popup'] ) + $this->is_comments_popup = true; + + // if we're previewing inside the write screen + if ('' != $qv['preview']) + $this->is_preview = true; + + if ( is_admin() ) + $this->is_admin = true; + + if ( false !== strpos($qv['feed'], 'comments-') ) { + $qv['feed'] = str_replace('comments-', '', $qv['feed']); + $qv['withcomments'] = 1; + } + + $this->is_singular = $this->is_single || $this->is_page || $this->is_attachment; + + 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 || $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 ( '' != $qv['pagename'] ) { + $this->queried_object =& get_page_by_path($qv['pagename']); + if ( !empty($this->queried_object) ) + $this->queried_object_id = (int) $this->queried_object->ID; + else + unset($this->queried_object); + + if ( 'page' == get_option('show_on_front') && isset($this->queried_object_id) && $this->queried_object_id == get_option('page_for_posts') ) { + $this->is_page = false; + $this->is_home = true; + $this->is_posts_page = true; + } + } + + if ( $qv['page_id'] ) { + if ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) { + $this->is_page = false; + $this->is_home = true; + $this->is_posts_page = true; + } + } + + if ( !empty($qv['post_type']) ) { + if(is_array($qv['post_type'])) + $qv['post_type'] = array_map('sanitize_user', $qv['post_type'], array(true)); + else + $qv['post_type'] = sanitize_user($qv['post_type'], true); + } + + if ( !empty($qv['post_status']) ) + $qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']); + + if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) ) + $this->is_comment_feed = false; + + $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']) + $this->set_404(); + + if ( !empty($query) ) + do_action_ref_array('parse_query', array(&$this)); + } + + /** + * 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, $user_ID; + + do_action_ref_array('pre_get_posts', array(&$this)); + + // Shorthand. + $q = &$this->query_vars; + + $q = $this->fill_query_vars($q); + + // First let's clear some variables + $distinct = ''; + $whichcat = ''; + $whichauthor = ''; + $whichmimetype = ''; + $where = ''; + $limits = ''; + $join = ''; + $search = ''; + $groupby = ''; + $fields = "$wpdb->posts.*"; + $post_status_join = false; + $page = 1; + + if ( !isset($q['caller_get_posts']) ) + $q['caller_get_posts'] = false; + + if ( !isset($q['suppress_filters']) ) + $q['suppress_filters'] = false; + + if ( !isset($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) { + $q['nopaging'] = true; + } else { + $q['nopaging'] = false; + } + } + if ( $this->is_feed ) { + $q['posts_per_page'] = get_option('posts_per_rss'); + $q['nopaging'] = false; + } + $q['posts_per_page'] = (int) $q['posts_per_page']; + if ( $q['posts_per_page'] < -1 ) + $q['posts_per_page'] = abs($q['posts_per_page']); + 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'])) { + $q['page'] = trim($q['page'], '/'); + $q['page'] = absint($q['page']); + } + + // If a month is specified in the querystring, load that month + if ( $q['m'] ) { + $q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']); + $where .= " AND YEAR($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'] ) + $where .= " AND HOUR($wpdb->posts.post_date)='" . $q['hour'] . "'"; + + if ( '' !== $q['minute'] ) + $where .= " AND MINUTE($wpdb->posts.post_date)='" . $q['minute'] . "'"; + + if ( '' !== $q['second'] ) + $where .= " AND SECOND($wpdb->posts.post_date)='" . $q['second'] . "'"; + + if ( $q['year'] ) + $where .= " AND YEAR($wpdb->posts.post_date)='" . $q['year'] . "'"; + + if ( $q['monthnum'] ) + $where .= " AND MONTH($wpdb->posts.post_date)='" . $q['monthnum'] . "'"; + + if ( $q['day'] ) + $where .= " AND DAYOFMONTH($wpdb->posts.post_date)='" . $q['day'] . "'"; + + if ('' != $q['name']) { + $q['name'] = sanitize_title($q['name']); + $where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'"; + } else if ('' != $q['pagename']) { + if ( isset($this->queried_object_id) ) + $reqpage = $this->queried_object_id; + else { + $reqpage = get_page_by_path($q['pagename']); + if ( !empty($reqpage) ) + $reqpage = $reqpage->ID; + else + $reqpage = 0; + } + + $page_for_posts = get_option('page_for_posts'); + if ( ('page' != get_option('show_on_front') ) || empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) { + $q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename']))); + $page_paths = '/' . trim($q['pagename'], '/'); + $q['pagename'] = sanitize_title(basename($page_paths)); + $q['name'] = $q['pagename']; + $where .= " AND ($wpdb->posts.ID = '$reqpage')"; + $reqpage_obj = get_page($reqpage); + if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) { + $this->is_attachment = true; + $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)); + $q['name'] = $q['attachment']; + $where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'"; + } + + if ( $q['w'] ) + $where .= " AND WEEK($wpdb->posts.post_date, 1)='" . $q['w'] . "'"; + + if ( intval($q['comments_popup']) ) + $q['p'] = absint($q['comments_popup']); + + // If an attachment is requested by number, let it supercede any post number. + if ( $q['attachment_id'] ) + $q['p'] = absint($q['attachment_id']); + + // If a post number is specified, load that post + 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']; + $where = " AND {$wpdb->posts}.ID = " . $q['page_id']; + } + } + + // If a search pattern is specified, load the posts that match + if ( !empty($q['s']) ) { + // added slashes screw with quote grouping when done early, so done later + $q['s'] = stripslashes($q['s']); + if ( !empty($q['sentence']) ) { + $q['search_terms'] = array($q['s']); + } else { + preg_match_all('/".*?("|$)|((?<=[\\s",+])|^)[^\\s",+]+/', $q['s'], $matches); + $q['search_terms'] = array_map('_search_terms_tidy', $matches[0]); + } + $n = !empty($q['exact']) ? '' : '%'; + $searchand = ''; + foreach( (array) $q['search_terms'] as $term) { + $term = addslashes_gpc($term); + $search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))"; + $searchand = ' AND '; + } + $term = esc_sql($q['s']); + if (empty($q['sentence']) && count($q['search_terms']) > 1 && $q['search_terms'][0] != $q['s'] ) + $search .= " OR ($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}')"; + + if ( !empty($search) ) { + $search = " AND ({$search}) "; + if ( !is_user_logged_in() ) + $search .= " AND ($wpdb->posts.post_password = '') "; + } + } + + // Category stuff + + if ( empty($q['cat']) || ($q['cat'] == '0') || + // Bypass cat checks if fetching specific posts + $this->is_singular ) { + $whichcat = ''; + } else { + $q['cat'] = ''.urldecode($q['cat']).''; + $q['cat'] = addslashes_gpc($q['cat']); + $cat_array = preg_split('/[,\s]+/', $q['cat']); + $q['cat'] = ''; + $req_cats = array(); + foreach ( (array) $cat_array as $cat ) { + $cat = intval($cat); + $req_cats[] = $cat; + $in = ($cat > 0); + $cat = abs($cat); + if ( $in ) { + $q['category__in'][] = $cat; + $q['category__in'] = array_merge($q['category__in'], get_term_children($cat, 'category')); + } else { + $q['category__not_in'][] = $cat; + $q['category__not_in'] = array_merge($q['category__not_in'], get_term_children($cat, 'category')); + } + } + $q['cat'] = implode(',', $req_cats); + } + + if ( !empty($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) "; + } + + if ( !empty($q['category__not_in']) ) { + $cat_string = "'" . implode("', '", $q['category__not_in']) . "'"; + $whichcat .= " AND $wpdb->posts.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy = 'category' AND tt.term_id IN ($cat_string) )"; + } + + // Category stuff for nice URLs + if ( '' != $q['category_name'] && !$this->is_singular ) { + $q['category_name'] = implode('/', array_map('sanitize_title', explode('/', $q['category_name']))); + $reqcat = get_category_by_path($q['category_name']); + $q['category_name'] = str_replace('%2F', '/', urlencode(urldecode($q['category_name']))); + $cat_paths = '/' . trim($q['category_name'], '/'); + $q['category_name'] = sanitize_title(basename($cat_paths)); + + $cat_paths = '/' . trim(urldecode($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"; + } + + // Tags + if ( '' != $q['tag'] ) { + if ( strpos($q['tag'], ',') !== false ) { + $tags = preg_split('/[,\s]+/', $q['tag']); + foreach ( (array) $tags as $tag ) { + $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db'); + $q['tag_slug__in'][] = $tag; + } + } else if ( preg_match('/[+\s]+/', $q['tag']) || !empty($q['cat']) ) { + $tags = preg_split('/[+\s]+/', $q['tag']); + foreach ( (array) $tags as $tag ) { + $tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db'); + $q['tag_slug__and'][] = $tag; + } + } else { + $q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db'); + $q['tag_slug__in'][] = $q['tag']; + } + } + + if ( !empty($q['category__in']) || !empty($q['meta_key']) || !empty($q['tag__in']) || !empty($q['tag_slug__in']) ) { + $groupby = "{$wpdb->posts}.ID"; + } + + if ( !empty($q['tag__in']) && empty($q['cat']) ) { + $join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) "; + $whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' "; + $include_tags = "'" . implode("', '", $q['tag__in']) . "'"; + $whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_tags) "; + $reqtag = is_term( $q['tag__in'][0], 'post_tag' ); + if ( !empty($reqtag) ) + $q['tag_id'] = $reqtag['term_id']; + } + + if ( !empty($q['tag_slug__in']) && empty($q['cat']) ) { + $join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) INNER JOIN $wpdb->terms ON ($wpdb->term_taxonomy.term_id = $wpdb->terms.term_id) "; + $whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' "; + $include_tags = "'" . implode("', '", $q['tag_slug__in']) . "'"; + $whichcat .= " AND $wpdb->terms.slug IN ($include_tags) "; + $reqtag = get_term_by( 'slug', $q['tag_slug__in'][0], 'post_tag' ); + if ( !empty($reqtag) ) + $q['tag_id'] = $reqtag->term_id; + } + + if ( !empty($q['tag__not_in']) ) { + $tag_string = "'" . implode("', '", $q['tag__not_in']) . "'"; + $whichcat .= " AND $wpdb->posts.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy = 'post_tag' AND tt.term_id IN ($tag_string) )"; + } + + // Tag and slug intersections. + $intersections = array('category__and' => 'category', 'tag__and' => 'post_tag', 'tag_slug__and' => 'post_tag', 'tag__in' => 'post_tag', 'tag_slug__in' => 'post_tag'); + $tagin = array('tag__in', 'tag_slug__in'); // These are used to make some exceptions below + foreach ($intersections as $item => $taxonomy) { + if ( empty($q[$item]) ) continue; + if ( in_array($item, $tagin) && empty($q['cat']) ) continue; // We should already have what we need if categories aren't being used + + if ( $item != 'category__and' ) { + $reqtag = is_term( $q[$item][0], 'post_tag' ); + if ( !empty($reqtag) ) + $q['tag_id'] = $reqtag['term_id']; + } + + if ( in_array( $item, array('tag_slug__and', 'tag_slug__in' ) ) ) + $taxonomy_field = 'slug'; + else + $taxonomy_field = 'term_id'; + + $q[$item] = array_unique($q[$item]); + $tsql = "SELECT p.ID FROM $wpdb->posts p INNER JOIN $wpdb->term_relationships tr ON (p.ID = tr.object_id) INNER JOIN $wpdb->term_taxonomy tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id) INNER JOIN $wpdb->terms t ON (tt.term_id = t.term_id)"; + $tsql .= " WHERE tt.taxonomy = '$taxonomy' AND t.$taxonomy_field IN ('" . implode("', '", $q[$item]) . "')"; + if ( !in_array($item, $tagin) ) { // This next line is only helpful if we are doing an and relationship + $tsql .= " GROUP BY p.ID HAVING count(p.ID) = " . count($q[$item]); + } + $post_ids = $wpdb->get_col($tsql); + + if ( count($post_ids) ) + $whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") "; + else { + $whichcat = " AND 0 = 1"; + break; + } + } + + // Taxonomies + if ( $this->is_tax ) { + if ( '' != $q['taxonomy'] ) { + $taxonomy = $q['taxonomy']; + $tt[$taxonomy] = $q['term']; + $terms = get_terms($q['taxonomy'], array('slug'=>$q['term'])); + } else { + foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) { + if ( $t->query_var && '' != $q[$t->query_var] ) { + $terms = get_terms($taxonomy, array('slug'=>$q[$t->query_var])); + if ( !is_wp_error($terms) ) + break; + } + } + } + if ( is_wp_error($terms) || empty($terms) ) { + $whichcat = " AND 0 "; + } else { + foreach ( $terms as $term ) + $term_ids[] = $term->term_id; + $post_ids = get_objects_in_term($term_ids, $taxonomy); + if ( !is_wp_error($post_ids) && count($post_ids) ) { + $whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") "; + $post_type = 'any'; + $q['post_status'] = 'publish'; + $post_status_join = true; + } else { + $whichcat = " AND 0 "; + } + } + } + + // Author/user stuff + + if ( empty($q['author']) || ($q['author'] == '0') ) { + $whichauthor=''; + } else { + $q['author'] = ''.urldecode($q['author']).''; + $q['author'] = addslashes_gpc($q['author']); + if (strpos($q['author'], '-') !== false) { + $eq = '!='; + $andor = 'AND'; + $q['author'] = explode('-', $q['author']); + $q['author'] = '' . absint($q['author'][1]); + } else { + $eq = '='; + $andor = 'OR'; + } + $author_array = preg_split('/[,\s]+/', $q['author']); + $whichauthor .= " AND ($wpdb->posts.post_author ".$eq.' '.absint($author_array[0]); + for ($i = 1; $i < (count($author_array)); $i = $i + 1) { + $whichauthor .= ' '.$andor." $wpdb->posts.post_author ".$eq.' '.absint($author_array[$i]); + } + $whichauthor .= ')'; + } + + // Author stuff for nice URLs + + if ('' != $q['author_name']) { + if (strpos($q['author_name'], '/') !== false) { + $q['author_name'] = explode('/',$q['author_name']); + if ($q['author_name'][count($q['author_name'])-1]) { + $q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash + } else { + $q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash + } + } + $q['author_name'] = sanitize_title($q['author_name']); + $q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'"); + $q['author'] = get_user_by('slug', $q['author_name']); + if ( $q['author'] ) + $q['author'] = $q['author']->ID; + $whichauthor .= " AND ($wpdb->posts.post_author = ".absint($q['author']).')'; + } + + // MIME-Type stuff for attachment browsing + + if ( isset($q['post_mime_type']) && '' != $q['post_mime_type'] ) + $whichmimetype = wp_post_mime_type_where($q['post_mime_type']); + + $where .= $search.$whichcat.$whichauthor.$whichmimetype; + + if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) ) + $q['order'] = 'DESC'; + + // Order by + if ( empty($q['orderby']) ) { + $q['orderby'] = "$wpdb->posts.post_date ".$q['order']; + } elseif ( 'none' == $q['orderby'] ) { + $q['orderby'] = ''; + } else { + // Used to filter values + $allowed_keys = array('author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count'); + if ( !empty($q['meta_key']) ) { + $allowed_keys[] = $q['meta_key']; + $allowed_keys[] = 'meta_value'; + } + $q['orderby'] = urldecode($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++) { + // Only allow certain values for safety + $orderby = $orderby_array[$i]; + 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 'comment_count': + $orderby = "$wpdb->posts.comment_count"; + break; + default: + $orderby = "$wpdb->posts.post_" . $orderby; + } + if ( in_array($orderby_array[$i], $allowed_keys) ) + $q['orderby'] .= (($i == 0) ? '' : ',') . $orderby; + } + // append ASC or DESC at the end + if ( !empty($q['orderby'])) + $q['orderby'] .= " {$q['order']}"; + + if ( empty($q['orderby']) ) + $q['orderby'] = "$wpdb->posts.post_date ".$q['order']; + } + + if ( is_array($post_type) ) + $post_type_cap = 'multiple_post_type'; + else + $post_type_cap = $post_type; + + $exclude_post_types = ''; + foreach ( get_post_types( array('exclude_from_search' => true) ) as $_wp_post_type ) + $exclude_post_types .= $wpdb->prepare(" AND $wpdb->posts.post_type != %s", $_wp_post_type); + + if ( 'any' == $post_type ) { + $where .= $exclude_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'"; + } elseif ( $this->is_attachment ) { + $where .= " AND $wpdb->posts.post_type = 'attachment'"; + $post_type_cap = 'post'; + } elseif ($this->is_page) { + $where .= " AND $wpdb->posts.post_type = 'page'"; + $post_type_cap = 'page'; + } else { + $where .= " AND $wpdb->posts.post_type = 'post'"; + $post_type_cap = 'post'; + } + + if ( isset($q['post_status']) && '' != $q['post_status'] ) { + $statuswheres = array(); + $q_status = explode(',', $q['post_status']); + $r_status = array(); + $p_status = array(); + if ( $q['post_status'] == 'any' ) { + // @todo Use register_post_status() data to determine which states should be excluded. + $r_status[] = "$wpdb->posts.post_status <> 'trash'"; + } else { + if ( in_array( 'draft' , $q_status ) ) + $r_status[] = "$wpdb->posts.post_status = 'draft'"; + if ( in_array( 'pending', $q_status ) ) + $r_status[] = "$wpdb->posts.post_status = 'pending'"; + if ( in_array( 'future' , $q_status ) ) + $r_status[] = "$wpdb->posts.post_status = 'future'"; + if ( in_array( 'inherit' , $q_status ) ) + $r_status[] = "$wpdb->posts.post_status = 'inherit'"; + if ( in_array( 'private', $q_status ) ) + $p_status[] = "$wpdb->posts.post_status = 'private'"; + if ( in_array( 'publish', $q_status ) ) + $r_status[] = "$wpdb->posts.post_status = 'publish'"; + if ( in_array( 'trash', $q_status ) ) + $r_status[] = "$wpdb->posts.post_status = 'trash'"; + } + + if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) { + $r_status = array_merge($r_status, $p_status); + unset($p_status); + } + + if ( !empty($r_status) ) { + if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can("edit_others_{$post_type_cap}s") ) + $statuswheres[] = "($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' == $q['perm'] && !current_user_can("read_private_{$post_type_cap}s") ) + $statuswheres[] = "($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 ) { + $where .= " AND ($wpdb->posts.post_status = 'publish'"; + + if ( is_admin() ) + $where .= " OR $wpdb->posts.post_status = 'future' OR $wpdb->posts.post_status = 'draft' OR $wpdb->posts.post_status = 'pending'"; + + if ( is_user_logged_in() ) { + $where .= current_user_can( "read_private_{$post_type_cap}s" ) ? " OR $wpdb->posts.post_status = 'private'" : " OR $wpdb->posts.post_author = $user_ID AND $wpdb->posts.post_status = 'private'"; + } + + $where .= ')'; + } + + // postmeta queries + if ( ! empty($q['meta_key']) || ! empty($q['meta_value']) ) + $join .= " JOIN $wpdb->postmeta ON ($wpdb->posts.ID = $wpdb->postmeta.post_id) "; + if ( ! empty($q['meta_key']) ) + $where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_key = %s ", $q['meta_key']); + if ( ! empty($q['meta_value']) ) { + if ( ! isset($q['meta_compare']) || empty($q['meta_compare']) || ! in_array($q['meta_compare'], array('=', '!=', '>', '>=', '<', '<=')) ) + $q['meta_compare'] = '='; + + $where .= $wpdb->prepare("AND $wpdb->postmeta.meta_value {$q['meta_compare']} %s ", $q['meta_value']); + } + + // Apply filters on where and join prior to paging so that any + // manipulations to them are reflected in the paging by day queries. + if ( !$q['suppress_filters'] ) { + $where = apply_filters('posts_where', $where); + $join = apply_filters('posts_join', $join); + } + + // Paging + if ( empty($q['nopaging']) && !$this->is_singular ) { + $page = absint($q['paged']); + if (empty($page)) { + $page = 1; + } + + if ( empty($q['offset']) ) { + $pgstrt = ''; + $pgstrt = ($page - 1) * $q['posts_per_page'] . ', '; + $limits = 'LIMIT '.$pgstrt.$q['posts_per_page']; + } else { // we're ignoring $page and using 'offset' + $q['offset'] = absint($q['offset']); + $pgstrt = $q['offset'] . ', '; + $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; + } + } + + // Comments feeds + if ( $this->is_comment_feed && ( $this->is_archive || $this->is_search || !$this->is_singular ) ) { + if ( $this->is_archive || $this->is_search ) { + $cjoin = "JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join "; + $cwhere = "WHERE comment_approved = '1' $where"; + $cgroupby = "$wpdb->comments.comment_id"; + } else { // Other non singular e.g. front + $cjoin = "JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )"; + $cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'"; + $cgroupby = ''; + } + + if ( !$q['suppress_filters'] ) { + $cjoin = apply_filters('comment_feed_join', $cjoin); + $cwhere = apply_filters('comment_feed_where', $cwhere); + $cgroupby = apply_filters('comment_feed_groupby', $cgroupby); + $corderby = apply_filters('comment_feed_orderby', 'comment_date_gmt DESC'); + $climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss')); + } + $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 $corderby $climits"); + $this->comment_count = count($this->comments); + + $post_ids = array(); + + foreach ($this->comments as $comment) + $post_ids[] = (int) $comment->comment_post_ID; + + $post_ids = join(',', $post_ids); + $join = ''; + if ( $post_ids ) + $where = "AND $wpdb->posts.ID IN ($post_ids) "; + else + $where = "AND 0"; + } + + $orderby = $q['orderby']; + + // Apply post-paging filters on where and join. Only plugins that + // manipulate paging queries should use these hooks. + if ( !$q['suppress_filters'] ) { + $where = apply_filters('posts_where_paged', $where); + $groupby = apply_filters('posts_groupby', $groupby); + $join = apply_filters('posts_join_paged', $join); + $orderby = apply_filters('posts_orderby', $orderby); + $distinct = apply_filters('posts_distinct', $distinct); + $limits = apply_filters( 'post_limits', $limits ); + + $fields = apply_filters('posts_fields', $fields); + } + + // Announce current selection parameters. For use by caching plugins. + do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join ); + + // Filter again for the benefit of caching plugins. Regular plugins should use the hooks above. + if ( !$q['suppress_filters'] ) { + $where = apply_filters('posts_where_request', $where); + $groupby = apply_filters('posts_groupby_request', $groupby); + $join = apply_filters('posts_join_request', $join); + $orderby = apply_filters('posts_orderby_request', $orderby); + $distinct = apply_filters('posts_distinct_request', $distinct); + $fields = apply_filters('posts_fields_request', $fields); + $limits = apply_filters( 'post_limits_request', $limits ); + } + + if ( ! empty($groupby) ) + $groupby = 'GROUP BY ' . $groupby; + if ( !empty( $orderby ) ) + $orderby = 'ORDER BY ' . $orderby; + $found_rows = ''; + if ( !empty($limits) ) + $found_rows = 'SQL_CALC_FOUND_ROWS'; + + $this->request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits"; + if ( !$q['suppress_filters'] ) + $this->request = apply_filters('posts_request', $this->request); + + $this->posts = $wpdb->get_results($this->request); + // Raw results filter. Prior to status checks. + if ( !$q['suppress_filters'] ) + $this->posts = apply_filters('posts_results', $this->posts); + + if ( !empty($this->posts) && $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'"); + $cgroupby = apply_filters('comment_feed_groupby', ''); + $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; + $corderby = apply_filters('comment_feed_orderby', 'comment_date_gmt DESC'); + $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : ''; + $climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss')); + $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()' ); + $this->found_posts = $wpdb->get_var( $found_posts_query ); + $this->found_posts = apply_filters( 'found_posts', $this->found_posts ); + $this->max_num_pages = ceil($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]); + //$type = get_post_type($this->posts[0]); + if ( ('publish' != $status) ) { + 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', 'trash')) ) { + // User must have edit permissions on the draft to preview. + if (! current_user_can("edit_$post_type_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_type_cap", $this->posts[0]->ID)) { + $this->posts = array ( ); + } + } else { + if (! current_user_can("read_$post_type_cap", $this->posts[0]->ID)) + $this->posts = array(); + } + } + } + + if ( $this->is_preview && current_user_can( "edit_{$post_type_cap}", $this->posts[0]->ID ) ) + $this->posts[0] = apply_filters('the_preview', $this->posts[0]); + } + + // Put sticky posts at the top of the posts array + $sticky_posts = get_option('sticky_posts'); + if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['caller_get_posts'] ) { + $num_posts = count($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, $sticky_posts); + array_splice($sticky_posts, $offset, 1); + } + } + + // Fetch sticky posts that weren't in the query results + if ( !empty($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" ); + /** @todo Make sure post is published or viewable by the current user */ + foreach ( $stickies as $sticky_post ) { + 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('the_posts', $this->posts); + + $this->post_count = count($this->posts); + + // Sanitize before caching so it'll only get done once + for ($i = 0; $i < $this->post_count; $i++) { + $this->posts[$i] = sanitize_post($this->posts[$i], 'raw'); + } + + update_post_caches($this->posts); + + if ($this->post_count > 0) { + $this->post = $this->posts[0]; + } + + return $this->posts; + } + + /** + * Setup the next post and iterate current post index. + * + * @since 1.5.0 + * @access public + * + * @return object Next post. + */ + function next_post() { + + $this->current_post++; + + $this->post = $this->posts[$this->current_post]; + 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); + } + + /** + * 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 < $this->post_count) { + return true; + } elseif ($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(); + } + + $this->in_the_loop = false; + 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) { + $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++; + + $this->comment = $this->comments[$this->current_comment]; + 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) { + 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 < $this->comment_count) { + return true; + } elseif ($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) { + $this->comment = $this->comments[0]; + } + } + + /** + * 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) { + $this->parse_query($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)) { + 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); + if ( is_wp_error( $category ) ) + return NULL; + $this->queried_object = &$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 NULL; + $this->queried_object = &$tag; + $this->queried_object_id = (int) $tag_id; + } else if ($this->is_tax) { + $tax = $this->get('taxonomy'); + $slug = $this->get('term'); + $term = &get_terms($tax, array('slug'=>$slug)); + if ( is_wp_error($term) || empty($term) ) + return NULL; + $term = $term[0]; + $this->queried_object = $term; + $this->queried_object_id = $term->term_id; + } else if ($this->is_posts_page) { + $this->queried_object = & get_page(get_option('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) { + $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; + } + + 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)) { + return $this->queried_object_id; + } + + return 0; + } + + /** + * PHP4 type constructor. + * + * Sets up the WordPress query, if parameter is not empty. + * + * @since 1.5.0 + * @access public + * + * @param string $query URL query string. + * @return WP_Query + */ + function WP_Query ($query = '') { + if (! empty($query)) { + $this->query($query); + } + } +} + +/** + * 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'] . "'"; + + // 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']}'"; + if ( '' != $wp_query->query_vars['monthnum'] ) + $query .= " AND MONTH(post_date) = '{$wp_query->query_vars['monthnum']}'"; + if ( '' != $wp_query->query_vars['day'] ) + $query .= " AND DAYOFMONTH(post_date) = '{$wp_query->query_vars['day']}'"; + + $id = (int) $wpdb->get_var($query); + + if ( !$id ) + return; + + $link = get_permalink($id); + + if ( !$link ) + return; + + wp_redirect($link, '301'); // Permanent redirect + exit; + endif; +} + +/** + * Setup 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, $authordata, $day, $currentmonth, $page, $pages, $multipage, $more, $numpages; + + $id = (int) $post->ID; + + $authordata = get_userdata($post->post_author); + + $day = mysql2date('d.m.y', $post->post_date, false); + $currentmonth = mysql2date('m', $post->post_date, false); + $numpages = 1; + $page = get_query_var('page'); + if ( !$page ) + $page = 1; + if ( is_single() || is_page() || is_feed() ) + $more = 1; + $content = $post->post_content; + if ( strpos( $content, '' ) ) { + if ( $page > 1 ) + $more = 1; + $multipage = 1; + $content = str_replace("\n\n", '', $content); + $content = str_replace("\n", '', $content); + $content = str_replace("\n", '', $content); + $pages = explode('', $content); + $numpages = count($pages); + } else { + $pages[0] = $post->post_content; + $multipage = 0; + } + + do_action_ref_array('the_post', array(&$post)); + + return true; +} + +?>