/** * 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 * * @return array List of posts. */ public function get_posts() { $this->parse_query(); /** * Fires after the query variable object is created, but before the actual query is run. * * Note: If using conditional tags, use the method versions within the passed instance * (e.g. $this->is_main_query() instead of is_main_query()). This is because the functions * like is_main_query() test against the global $wp_query instance, not the passed one. * * @since 2.0.0 * * @param WP_Query &$this The WP_Query instance (passed by reference). */ do_action_ref_array('pre_get_posts', array(&$this)); // Shorthand. $q =& $this->query_vars; // 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 = ''; $post_status_join = false; $page = 1; if (isset($q['caller_get_posts'])) { _deprecated_argument('WP_Query', '3.1.0', __('"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['lazy_load_term_meta'])) { $q['lazy_load_term_meta'] = $q['update_post_term_cache']; } if (!isset($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 = $q['post_type']; if (empty($q['posts_per_page'])) { $q['posts_per_page'] = get_option('posts_per_page'); } if (isset($q['showposts']) && $q['showposts']) { $q['showposts'] = (int) $q['showposts']; $q['posts_per_page'] = $q['showposts']; } if (isset($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) { // This overrides posts_per_page. if (!empty($q['posts_per_rss'])) { $q['posts_per_page'] = $q['posts_per_rss']; } else { $q['posts_per_page'] = get_option('posts_per_rss'); } $q['nopaging'] = false; } $q['posts_per_page'] = (int) $q['posts_per_page']; if ($q['posts_per_page'] < -1) { $q['posts_per_page'] = abs($q['posts_per_page']); } elseif ($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 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': $fields = "{$this->db->posts}.ID"; break; case 'id=>parent': $fields = "{$this->db->posts}.ID, {$this->db->posts}.post_parent"; break; default: $fields = "{$this->db->posts}.*"; } if ('' !== $q['menu_order']) { $where .= " AND {$this->db->posts}.menu_order = " . $q['menu_order']; } // The "m" parameter is meant for months but accepts datetimes of varying specificity if ($q['m']) { $where .= " AND YEAR({$this->db->posts}.post_date)=" . substr($q['m'], 0, 4); if (strlen($q['m']) > 5) { $where .= " AND MONTH({$this->db->posts}.post_date)=" . substr($q['m'], 4, 2); } if (strlen($q['m']) > 7) { $where .= " AND DAYOFMONTH({$this->db->posts}.post_date)=" . substr($q['m'], 6, 2); } if (strlen($q['m']) > 9) { $where .= " AND HOUR({$this->db->posts}.post_date)=" . substr($q['m'], 8, 2); } if (strlen($q['m']) > 11) { $where .= " AND MINUTE({$this->db->posts}.post_date)=" . substr($q['m'], 10, 2); } if (strlen($q['m']) > 13) { $where .= " AND SECOND({$this->db->posts}.post_date)=" . substr($q['m'], 12, 2); } } // Handle the other individual date parameters $date_parameters = array(); if ('' !== $q['hour']) { $date_parameters['hour'] = $q['hour']; } if ('' !== $q['minute']) { $date_parameters['minute'] = $q['minute']; } if ('' !== $q['second']) { $date_parameters['second'] = $q['second']; } if ($q['year']) { $date_parameters['year'] = $q['year']; } if ($q['monthnum']) { $date_parameters['monthnum'] = $q['monthnum']; } if ($q['w']) { $date_parameters['week'] = $q['w']; } if ($q['day']) { $date_parameters['day'] = $q['day']; } if ($date_parameters) { $date_query = new WP_Date_Query(array($date_parameters)); $where .= $date_query->get_sql(); } unset($date_parameters, $date_query); // Handle complex date queries if (!empty($q['date_query'])) { $this->date_query = new WP_Date_Query($q['date_query']); $where .= $this->date_query->get_sql(); } // If we've got a post_type AND it's not "any" post_type. if (!empty($q['post_type']) && 'any' != $q['post_type']) { 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) { // Non-hierarchical post types can directly use 'name'. $q['name'] = $q[$ptype_obj->query_var]; } else { // Hierarchical post types will operate through 'pagename'. $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['title']) { $where .= $this->db->prepare(" AND {$this->db->posts}.post_title = %s", stripslashes($q['title'])); } // Parameters related to 'post_name'. if ('' != $q['name']) { $q['name'] = sanitize_title_for_query($q['name']); $where .= " AND {$this->db->posts}.post_name = '" . $q['name'] . "'"; } elseif ('' != $q['pagename']) { if (isset($this->queried_object_id)) { $reqpage = $this->queried_object_id; } 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; } } $page_for_posts = get_option('page_for_posts'); if ('page' != get_option('show_on_front') || empty($page_for_posts) || $reqpage != $page_for_posts) { $q['pagename'] = sanitize_title_for_query(wp_basename($q['pagename'])); $q['name'] = $q['pagename']; $where .= " AND ({$this->db->posts}.ID = '{$reqpage}')"; $reqpage_obj = get_post($reqpage); if (is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type) { $this->is_attachment = true; $post_type = $q['post_type'] = 'attachment'; $this->is_page = true; $q['attachment_id'] = $reqpage; } } } elseif ('' != $q['attachment']) { $q['attachment'] = sanitize_title_for_query(wp_basename($q['attachment'])); $q['name'] = $q['attachment']; $where .= " AND {$this->db->posts}.post_name = '" . $q['attachment'] . "'"; } elseif (is_array($q['post_name__in']) && !empty($q['post_name__in'])) { $q['post_name__in'] = array_map('sanitize_title_for_query', $q['post_name__in']); $post_name__in = "'" . implode("','", $q['post_name__in']) . "'"; $where .= " AND {$this->db->posts}.post_name IN ({$post_name__in})"; } // If an attachment is requested by number, let it supersede any post number. if ($q['attachment_id']) { $q['p'] = absint($q['attachment_id']); } // If a post number is specified, load that post if ($q['p']) { $where .= " AND {$this->db->posts}.ID = " . $q['p']; } elseif ($q['post__in']) { $post__in = implode(',', array_map('absint', $q['post__in'])); $where .= " AND {$this->db->posts}.ID IN ({$post__in})"; } elseif ($q['post__not_in']) { $post__not_in = implode(',', array_map('absint', $q['post__not_in'])); $where .= " AND {$this->db->posts}.ID NOT IN ({$post__not_in})"; } if (is_numeric($q['post_parent'])) { $where .= $this->db->prepare(" AND {$this->db->posts}.post_parent = %d ", $q['post_parent']); } elseif ($q['post_parent__in']) { $post_parent__in = implode(',', array_map('absint', $q['post_parent__in'])); $where .= " AND {$this->db->posts}.post_parent IN ({$post_parent__in})"; } elseif ($q['post_parent__not_in']) { $post_parent__not_in = implode(',', array_map('absint', $q['post_parent__not_in'])); $where .= " AND {$this->db->posts}.post_parent NOT IN ({$post_parent__not_in})"; } if ($q['page_id']) { if ('page' != get_option('show_on_front') || $q['page_id'] != get_option('page_for_posts')) { $q['p'] = $q['page_id']; $where = " AND {$this->db->posts}.ID = " . $q['page_id']; } } // If a search pattern is specified, load the posts that match. if (strlen($q['s'])) { $search = $this->parse_search($q); } if (!$q['suppress_filters']) { /** * Filters the search SQL that is used in the WHERE clause of WP_Query. * * @since 3.0.0 * * @param string $search Search SQL for WHERE clause. * @param WP_Query $this The current WP_Query object. */ $search = apply_filters_ref_array('posts_search', array($search, &$this)); } // Taxonomies if (!$this->is_singular) { $this->parse_tax_query($q); $clauses = $this->tax_query->get_sql($this->db->posts, 'ID'); $join .= $clauses['join']; $where .= $clauses['where']; } if ($this->is_tax) { if (empty($post_type)) { // Do a fully inclusive search for currently registered post types of queried taxonomies $post_type = array(); $taxonomies = array_keys($this->tax_query->queried_terms); foreach (get_post_types(array('exclude_from_search' => false)) as $pt) { $object_taxonomies = $pt === 'attachment' ? get_taxonomies_for_attachments() : get_object_taxonomies($pt); if (array_intersect($taxonomies, $object_taxonomies)) { $post_type[] = $pt; } } if (!$post_type) { $post_type = 'any'; } elseif (count($post_type) == 1) { $post_type = $post_type[0]; } $post_status_join = true; } elseif (in_array('attachment', (array) $post_type)) { $post_status_join = true; } } /* * Ensure that 'taxonomy', 'term', 'term_id', 'cat', and * 'category_name' vars are set for backward compatibility. */ if (!empty($this->tax_query->queried_terms)) { /* * Set 'taxonomy', 'term', and 'term_id' to the * first taxonomy other than 'post_tag' or 'category'. */ if (!isset($q['taxonomy'])) { foreach ($this->tax_query->queried_terms as $queried_taxonomy => $queried_items) { if (empty($queried_items['terms'][0])) { continue; } if (!in_array($queried_taxonomy, array('category', 'post_tag'))) { $q['taxonomy'] = $queried_taxonomy; if ('slug' === $queried_items['field']) { $q['term'] = $queried_items['terms'][0]; } else { $q['term_id'] = $queried_items['terms'][0]; } // Take the first one we find. break; } } } // 'cat', 'category_name', 'tag_id' foreach ($this->tax_query->queried_terms as $queried_taxonomy => $queried_items) { if (empty($queried_items['terms'][0])) { continue; } if ('category' === $queried_taxonomy) { $the_cat = get_term_by($queried_items['field'], $queried_items['terms'][0], 'category'); if ($the_cat) { $this->set('cat', $the_cat->term_id); $this->set('category_name', $the_cat->slug); } unset($the_cat); } if ('post_tag' === $queried_taxonomy) { $the_tag = get_term_by($queried_items['field'], $queried_items['terms'][0], 'post_tag'); if ($the_tag) { $this->set('tag_id', $the_tag->term_id); } unset($the_tag); } } } if (!empty($this->tax_query->queries) || !empty($this->meta_query->queries)) { $groupby = "{$this->db->posts}.ID"; } // Author/user stuff if (!empty($q['author']) && $q['author'] != '0') { $q['author'] = addslashes_gpc('' . urldecode($q['author'])); $authors = array_unique(array_map('intval', preg_split('/[,\\s]+/', $q['author']))); foreach ($authors as $author) { $key = $author > 0 ? 'author__in' : 'author__not_in'; $q[$key][] = abs($author); } $q['author'] = implode(',', $authors); } if (!empty($q['author__not_in'])) { $author__not_in = implode(',', array_map('absint', array_unique((array) $q['author__not_in']))); $where .= " AND {$this->db->posts}.post_author NOT IN ({$author__not_in}) "; } elseif (!empty($q['author__in'])) { $author__in = implode(',', array_map('absint', array_unique((array) $q['author__in']))); $where .= " AND {$this->db->posts}.post_author IN ({$author__in}) "; } // 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 trailing slash } } $q['author_name'] = sanitize_title_for_query($q['author_name']); $q['author'] = get_user_by('slug', $q['author_name']); if ($q['author']) { $q['author'] = $q['author']->ID; } $whichauthor .= " AND ({$this->db->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'], $this->db->posts); } $where .= $search . $whichauthor . $whichmimetype; if (!empty($this->meta_query->queries)) { $clauses = $this->meta_query->get_sql('post', $this->db->posts, 'ID', $this); $join .= $clauses['join']; $where .= $clauses['where']; } $rand = isset($q['orderby']) && 'rand' === $q['orderby']; if (!isset($q['order'])) { $q['order'] = $rand ? '' : 'DESC'; } else { $q['order'] = $rand ? '' : $this->parse_order($q['order']); } // Order by. if (empty($q['orderby'])) { /* * Boolean false or empty array blanks out ORDER BY, * while leaving the value unset or otherwise empty sets the default. */ if (isset($q['orderby']) && (is_array($q['orderby']) || false === $q['orderby'])) { $orderby = ''; } else { $orderby = "{$this->db->posts}.post_date " . $q['order']; } } elseif ('none' == $q['orderby']) { $orderby = ''; } elseif ($q['orderby'] == 'post__in' && !empty($post__in)) { $orderby = "FIELD( {$this->db->posts}.ID, {$post__in} )"; } elseif ($q['orderby'] == 'post_parent__in' && !empty($post_parent__in)) { $orderby = "FIELD( {$this->db->posts}.post_parent, {$post_parent__in} )"; } elseif ($q['orderby'] == 'post_name__in' && !empty($post_name__in)) { $orderby = "FIELD( {$this->db->posts}.post_name, {$post_name__in} )"; } else { $orderby_array = array(); if (is_array($q['orderby'])) { foreach ($q['orderby'] as $_orderby => $order) { $orderby = addslashes_gpc(urldecode($_orderby)); $parsed = $this->parse_orderby($orderby); if (!$parsed) { continue; } $orderby_array[] = $parsed . ' ' . $this->parse_order($order); } $orderby = implode(', ', $orderby_array); } else { $q['orderby'] = urldecode($q['orderby']); $q['orderby'] = addslashes_gpc($q['orderby']); foreach (explode(' ', $q['orderby']) as $i => $orderby) { $parsed = $this->parse_orderby($orderby); // Only allow certain values for safety. if (!$parsed) { continue; } $orderby_array[] = $parsed; } $orderby = implode(' ' . $q['order'] . ', ', $orderby_array); if (empty($orderby)) { $orderby = "{$this->db->posts}.post_date " . $q['order']; } elseif (!empty($q['order'])) { $orderby .= " {$q['order']}"; } } } // Order search results by relevance only when another "orderby" is not specified in the query. if (!empty($q['s'])) { $search_orderby = ''; if (!empty($q['search_orderby_title']) && (empty($q['orderby']) && !$this->is_feed) || isset($q['orderby']) && 'relevance' === $q['orderby']) { $search_orderby = $this->parse_search_order($q); } if (!$q['suppress_filters']) { /** * Filters the ORDER BY used when ordering search results. * * @since 3.7.0 * * @param string $search_orderby The ORDER BY clause. * @param WP_Query $this The current WP_Query instance. */ $search_orderby = apply_filters('posts_search_orderby', $search_orderby, $this); } if ($search_orderby) { $orderby = $orderby ? $search_orderby . ', ' . $orderby : $search_orderby; } } if (is_array($post_type) && count($post_type) > 1) { $post_type_cap = 'multiple_post_type'; } else { if (is_array($post_type)) { $post_type = reset($post_type); } $post_type_object = get_post_type_object($post_type); if (empty($post_type_object)) { $post_type_cap = $post_type; } } if (isset($q['post_password'])) { $where .= $this->db->prepare(" AND {$this->db->posts}.post_password = %s", $q['post_password']); if (empty($q['perm'])) { $q['perm'] = 'readable'; } } elseif (isset($q['has_password'])) { $where .= sprintf(" AND {$this->db->posts}.post_password %s ''", $q['has_password'] ? '!=' : '='); } if (!empty($q['comment_status'])) { $where .= $this->db->prepare(" AND {$this->db->posts}.comment_status = %s ", $q['comment_status']); } if (!empty($q['ping_status'])) { $where .= $this->db->prepare(" AND {$this->db->posts}.ping_status = %s ", $q['ping_status']); } if ('any' == $post_type) { $in_search_post_types = get_post_types(array('exclude_from_search' => false)); if (empty($in_search_post_types)) { $where .= ' AND 1=0 '; } else { $where .= " AND {$this->db->posts}.post_type IN ('" . join("', '", $in_search_post_types) . "')"; } } elseif (!empty($post_type) && is_array($post_type)) { $where .= " AND {$this->db->posts}.post_type IN ('" . join("', '", $post_type) . "')"; } elseif (!empty($post_type)) { $where .= " AND {$this->db->posts}.post_type = '{$post_type}'"; $post_type_object = get_post_type_object($post_type); } elseif ($this->is_attachment) { $where .= " AND {$this->db->posts}.post_type = 'attachment'"; $post_type_object = get_post_type_object('attachment'); } elseif ($this->is_page) { $where .= " AND {$this->db->posts}.post_type = 'page'"; $post_type_object = get_post_type_object('page'); } else { $where .= " AND {$this->db->posts}.post_type = 'post'"; $post_type_object = get_post_type_object('post'); } $edit_cap = 'edit_post'; $read_cap = 'read_post'; if (!empty($post_type_object)) { $edit_others_cap = $post_type_object->cap->edit_others_posts; $read_private_cap = $post_type_object->cap->read_private_posts; } else { $edit_others_cap = 'edit_others_' . $post_type_cap . 's'; $read_private_cap = 'read_private_' . $post_type_cap . 's'; } $user_id = get_current_user_id(); $q_status = array(); if (!empty($q['post_status'])) { $statuswheres = array(); $q_status = $q['post_status']; if (!is_array($q_status)) { $q_status = explode(',', $q_status); } $r_status = array(); $p_status = array(); $e_status = array(); if (in_array('any', $q_status)) { foreach (get_post_stati(array('exclude_from_search' => true)) as $status) { if (!in_array($status, $q_status)) { $e_status[] = "{$this->db->posts}.post_status <> '{$status}'"; } } } else { foreach (get_post_stati() as $status) { if (in_array($status, $q_status)) { if ('private' == $status) { $p_status[] = "{$this->db->posts}.post_status = '{$status}'"; } else { $r_status[] = "{$this->db->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)) { $statuswheres[] = "({$this->db->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)) { $statuswheres[] = "({$this->db->posts}.post_author = {$user_id} " . "AND (" . join(' OR ', $p_status) . "))"; } else { $statuswheres[] = "(" . join(' OR ', $p_status) . ")"; } } if ($post_status_join) { $join .= " LEFT JOIN {$this->db->posts} AS p2 ON ({$this->db->posts}.post_parent = p2.ID) "; foreach ($statuswheres as $index => $statuswhere) { $statuswheres[$index] = "({$statuswhere} OR ({$this->db->posts}.post_status = 'inherit' AND " . str_replace($this->db->posts, 'p2', $statuswhere) . "))"; } } $where_status = implode(' OR ', $statuswheres); if (!empty($where_status)) { $where .= " AND ({$where_status})"; } } elseif (!$this->is_singular) { $where .= " AND ({$this->db->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; } $where .= " OR {$this->db->posts}.post_status = '{$state}'"; } if ($this->is_admin) { // Add protected states that should show in the admin all list. $admin_all_states = get_post_stati(array('protected' => true, 'show_in_admin_all_list' => true)); foreach ((array) $admin_all_states as $state) { $where .= " OR {$this->db->posts}.post_status = '{$state}'"; } } if (is_user_logged_in()) { // 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 {$this->db->posts}.post_status = '{$state}'" : " OR {$this->db->posts}.post_author = {$user_id} AND {$this->db->posts}.post_status = '{$state}'"; } } $where .= ')'; } /* * Apply filters on where and join prior to paging so that any * manipulations to them are reflected in the paging by day queries. */ if (!$q['suppress_filters']) { /** * Filters the WHERE clause of the query. * * @since 1.5.0 * * @param string $where The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $where = apply_filters_ref_array('posts_where', array($where, &$this)); /** * Filters the JOIN clause of the query. * * @since 1.5.0 * * @param string $where The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $join = apply_filters_ref_array('posts_join', array($join, &$this)); } // Paging if (empty($q['nopaging']) && !$this->is_singular) { $page = absint($q['paged']); if (!$page) { $page = 1; } // If 'offset' is provided, it takes precedence over 'paged'. if (isset($q['offset']) && is_numeric($q['offset'])) { $q['offset'] = absint($q['offset']); $pgstrt = $q['offset'] . ', '; } else { $pgstrt = absint(($page - 1) * $q['posts_per_page']) . ', '; } $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page']; } // Comments feeds if ($this->is_comment_feed && !$this->is_singular) { if ($this->is_archive || $this->is_search) { $cjoin = "JOIN {$this->db->posts} ON ({$this->db->comments}.comment_post_ID = {$this->db->posts}.ID) {$join} "; $cwhere = "WHERE comment_approved = '1' {$where}"; $cgroupby = "{$this->db->comments}.comment_id"; } else { // Other non singular e.g. front $cjoin = "JOIN {$this->db->posts} ON ( {$this->db->comments}.comment_post_ID = {$this->db->posts}.ID )"; $cwhere = "WHERE ( post_status = 'publish' OR ( post_status = 'inherit' && post_type = 'attachment' ) ) AND comment_approved = '1'"; $cgroupby = ''; } if (!$q['suppress_filters']) { /** * Filters the JOIN clause of the comments feed query before sending. * * @since 2.2.0 * * @param string $cjoin The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $cjoin = apply_filters_ref_array('comment_feed_join', array($cjoin, &$this)); /** * Filters the WHERE clause of the comments feed query before sending. * * @since 2.2.0 * * @param string $cwhere The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $cwhere = apply_filters_ref_array('comment_feed_where', array($cwhere, &$this)); /** * Filters the GROUP BY clause of the comments feed query before sending. * * @since 2.2.0 * * @param string $cgroupby The GROUP BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $cgroupby = apply_filters_ref_array('comment_feed_groupby', array($cgroupby, &$this)); /** * Filters the ORDER BY clause of the comments feed query before sending. * * @since 2.8.0 * * @param string $corderby The ORDER BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $corderby = apply_filters_ref_array('comment_feed_orderby', array('comment_date_gmt DESC', &$this)); /** * Filters the LIMIT clause of the comments feed query before sending. * * @since 2.8.0 * * @param string $climits The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $climits = apply_filters_ref_array('comment_feed_limits', array('LIMIT ' . get_option('posts_per_rss'), &$this)); } $cgroupby = !empty($cgroupby) ? 'GROUP BY ' . $cgroupby : ''; $corderby = !empty($corderby) ? 'ORDER BY ' . $corderby : ''; $comments = (array) $this->db->get_results("SELECT {$distinct} {$this->db->comments}.* FROM {$this->db->comments} {$cjoin} {$cwhere} {$cgroupby} {$corderby} {$climits}"); // Convert to WP_Comment $this->comments = array_map('get_comment', $comments); $this->comment_count = count($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) { $where = "AND {$this->db->posts}.ID IN ({$post_ids}) "; } else { $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']) { /** * Filters the WHERE clause of the query. * * Specifically for manipulating paging queries. * * @since 1.5.0 * * @param string $where The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $where = apply_filters_ref_array('posts_where_paged', array($where, &$this)); /** * Filters the GROUP BY clause of the query. * * @since 2.0.0 * * @param string $groupby The GROUP BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $groupby = apply_filters_ref_array('posts_groupby', array($groupby, &$this)); /** * Filters the JOIN clause of the query. * * Specifically for manipulating paging queries. * * @since 1.5.0 * * @param string $join The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $join = apply_filters_ref_array('posts_join_paged', array($join, &$this)); /** * Filters the ORDER BY clause of the query. * * @since 1.5.1 * * @param string $orderby The ORDER BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $orderby = apply_filters_ref_array('posts_orderby', array($orderby, &$this)); /** * Filters the DISTINCT clause of the query. * * @since 2.1.0 * * @param string $distinct The DISTINCT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $distinct = apply_filters_ref_array('posts_distinct', array($distinct, &$this)); /** * Filters the LIMIT clause of the query. * * @since 2.1.0 * * @param string $limits The LIMIT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $limits = apply_filters_ref_array('post_limits', array($limits, &$this)); /** * Filters the SELECT clause of the query. * * @since 2.1.0 * * @param string $fields The SELECT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $fields = apply_filters_ref_array('posts_fields', array($fields, &$this)); /** * Filters all query clauses at once, for convenience. * * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT, * fields (SELECT), and LIMITS clauses. * * @since 3.1.0 * * @param array $clauses The list of clauses for the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $clauses = (array) apply_filters_ref_array('posts_clauses', array(compact($pieces), &$this)); $where = isset($clauses['where']) ? $clauses['where'] : ''; $groupby = isset($clauses['groupby']) ? $clauses['groupby'] : ''; $join = isset($clauses['join']) ? $clauses['join'] : ''; $orderby = isset($clauses['orderby']) ? $clauses['orderby'] : ''; $distinct = isset($clauses['distinct']) ? $clauses['distinct'] : ''; $fields = isset($clauses['fields']) ? $clauses['fields'] : ''; $limits = isset($clauses['limits']) ? $clauses['limits'] : ''; } /** * Fires to announce the query's current selection parameters. * * For use by caching plugins. * * @since 2.3.0 * * @param string $selection The assembled selection query. */ do_action('posts_selection', $where . $groupby . $orderby . $limits . $join); /* * Filters again for the benefit of caching plugins. * Regular plugins should use the hooks above. */ if (!$q['suppress_filters']) { /** * Filters the WHERE clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $where The WHERE clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $where = apply_filters_ref_array('posts_where_request', array($where, &$this)); /** * Filters the GROUP BY clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $groupby The GROUP BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $groupby = apply_filters_ref_array('posts_groupby_request', array($groupby, &$this)); /** * Filters the JOIN clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $join The JOIN clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $join = apply_filters_ref_array('posts_join_request', array($join, &$this)); /** * Filters the ORDER BY clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $orderby The ORDER BY clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $orderby = apply_filters_ref_array('posts_orderby_request', array($orderby, &$this)); /** * Filters the DISTINCT clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $distinct The DISTINCT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $distinct = apply_filters_ref_array('posts_distinct_request', array($distinct, &$this)); /** * Filters the SELECT clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $fields The SELECT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $fields = apply_filters_ref_array('posts_fields_request', array($fields, &$this)); /** * Filters the LIMIT clause of the query. * * For use by caching plugins. * * @since 2.5.0 * * @param string $limits The LIMIT clause of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $limits = apply_filters_ref_array('post_limits_request', array($limits, &$this)); /** * Filters all query clauses at once, for convenience. * * For use by caching plugins. * * Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT, * fields (SELECT), and LIMITS clauses. * * @since 3.1.0 * * @param array $pieces The pieces of the query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $clauses = (array) apply_filters_ref_array('posts_clauses_request', array(compact($pieces), &$this)); $where = isset($clauses['where']) ? $clauses['where'] : ''; $groupby = isset($clauses['groupby']) ? $clauses['groupby'] : ''; $join = isset($clauses['join']) ? $clauses['join'] : ''; $orderby = isset($clauses['orderby']) ? $clauses['orderby'] : ''; $distinct = isset($clauses['distinct']) ? $clauses['distinct'] : ''; $fields = isset($clauses['fields']) ? $clauses['fields'] : ''; $limits = isset($clauses['limits']) ? $clauses['limits'] : ''; } if (!empty($groupby)) { $groupby = 'GROUP BY ' . $groupby; } if (!empty($orderby)) { $orderby = 'ORDER BY ' . $orderby; } $found_rows = ''; if (!$q['no_found_rows'] && !empty($limits)) { $found_rows = 'SQL_CALC_FOUND_ROWS'; } $this->request = $old_request = "SELECT {$found_rows} {$distinct} {$fields} FROM {$this->db->posts} {$join} WHERE 1=1 {$where} {$groupby} {$orderby} {$limits}"; if (!$q['suppress_filters']) { /** * Filters the completed SQL query before sending. * * @since 2.0.0 * * @param string $request The complete SQL query. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->request = apply_filters_ref_array('posts_request', array($this->request, &$this)); } /** * Filters the posts array before the query takes place. * * Return a non-null value to bypass WordPress's default post queries. * * Filtering functions that require pagination information are encouraged to set * the `found_posts` and `max_num_pages` properties of the WP_Query object, * passed to the filter by reference. If WP_Query does not perform a database * query, it will not have enough information to generate these values itself. * * @since 4.6.0 * * @param array|null $posts Return an array of post data to short-circuit WP's query, * or null to allow WP to run its normal queries. * @param WP_Query $this The WP_Query instance, passed by reference. */ $this->posts = apply_filters_ref_array('posts_pre_query', array(null, &$this)); if ('ids' == $q['fields']) { if (null === $this->posts) { $this->posts = $this->db->get_col($this->request); } $this->posts = array_map('intval', $this->posts); $this->post_count = count($this->posts); $this->set_found_posts($q, $limits); return $this->posts; } if ('id=>parent' == $q['fields']) { if (null === $this->posts) { $this->posts = $this->db->get_results($this->request); } $this->post_count = count($this->posts); $this->set_found_posts($q, $limits); $r = array(); foreach ($this->posts as $key => $post) { $this->posts[$key]->ID = (int) $post->ID; $this->posts[$key]->post_parent = (int) $post->post_parent; $r[(int) $post->ID] = (int) $post->post_parent; } return $r; } if (null === $this->posts) { $split_the_query = $old_request == $this->request && "{$this->db->posts}.*" == $fields && !empty($limits) && $q['posts_per_page'] < 500; /** * Filters whether to split the query. * * Splitting the query will cause it to fetch just the IDs of the found posts * (and then individually fetch each post by ID), rather than fetching every * complete row at once. One massive result vs. many small results. * * @since 3.4.0 * * @param bool $split_the_query Whether or not to split the query. * @param WP_Query $this The WP_Query instance. */ $split_the_query = apply_filters('split_the_query', $split_the_query, $this); if ($split_the_query) { // First get the IDs and then fill in the objects $this->request = "SELECT {$found_rows} {$distinct} {$this->db->posts}.ID FROM {$this->db->posts} {$join} WHERE 1=1 {$where} {$groupby} {$orderby} {$limits}"; /** * Filters the Post IDs SQL request before sending. * * @since 3.4.0 * * @param string $request The post ID request. * @param WP_Query $this The WP_Query instance. */ $this->request = apply_filters('posts_request_ids', $this->request, $this); $ids = $this->db->get_col($this->request); if ($ids) { $this->posts = $ids; $this->set_found_posts($q, $limits); _prime_post_caches($ids, $q['update_post_term_cache'], $q['update_post_meta_cache']); } else { $this->posts = array(); } } else { $this->posts = $this->db->get_results($this->request); $this->set_found_posts($q, $limits); } } // Convert to WP_Post objects. if ($this->posts) { $this->posts = array_map('get_post', $this->posts); } if (!$q['suppress_filters']) { /** * Filters the raw post results array, prior to status checks. * * @since 2.3.0 * * @param array $posts The post results array. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->posts = apply_filters_ref_array('posts_results', array($this->posts, &$this)); } if (!empty($this->posts) && $this->is_comment_feed && $this->is_singular) { /** This filter is documented in wp-includes/query.php */ $cjoin = apply_filters_ref_array('comment_feed_join', array('', &$this)); /** This filter is documented in wp-includes/query.php */ $cwhere = apply_filters_ref_array('comment_feed_where', array("WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this)); /** This filter is documented in wp-includes/query.php */ $cgroupby = apply_filters_ref_array('comment_feed_groupby', array('', &$this)); $cgroupby = !empty($cgroupby) ? 'GROUP BY ' . $cgroupby : ''; /** This filter is documented in wp-includes/query.php */ $corderby = apply_filters_ref_array('comment_feed_orderby', array('comment_date_gmt DESC', &$this)); $corderby = !empty($corderby) ? 'ORDER BY ' . $corderby : ''; /** This filter is documented in wp-includes/query.php */ $climits = apply_filters_ref_array('comment_feed_limits', array('LIMIT ' . get_option('posts_per_rss'), &$this)); $comments_request = "SELECT {$this->db->comments}.* FROM {$this->db->comments} {$cjoin} {$cwhere} {$cgroupby} {$corderby} {$climits}"; $comments = $this->db->get_results($comments_request); // Convert to WP_Comment $this->comments = array_map('get_comment', $comments); $this->comment_count = count($this->comments); } // 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]); if ('attachment' === $this->posts[0]->post_type && 0 === (int) $this->posts[0]->post_parent) { $this->is_page = false; $this->is_single = true; $this->is_attachment = true; } $post_status_obj = get_post_status_object($status); // If the post_status was specifically requested, let it pass through. if (!$post_status_obj->public && !in_array($status, $q_status)) { if (!is_user_logged_in()) { // User must be logged in to view unpublished posts. $this->posts = array(); } else { if ($post_status_obj->protected) { // User must have edit permissions on the draft to preview. if (!current_user_can($edit_cap, $this->posts[0]->ID)) { $this->posts = array(); } else { $this->is_preview = true; if ('future' != $status) { $this->posts[0]->post_date = current_time('mysql'); } } } elseif ($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 && $this->posts && current_user_can($edit_cap, $this->posts[0]->ID)) { /** * Filters the single post for preview mode. * * @since 2.7.0 * * @param WP_Post $post_preview The Post object. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->posts[0] = get_post(apply_filters_ref_array('the_preview', array($this->posts[0], &$this))); } } // Put sticky posts at the top of the posts array $sticky_posts = get_option('sticky_posts'); if ($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[$offset]); } } // If any posts have been excluded specifically, Ignore those that are sticky. if (!empty($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 = get_posts(array('post__in' => $sticky_posts, 'post_type' => $post_type, 'post_status' => 'publish', 'nopaging' => true)); foreach ($stickies as $sticky_post) { array_splice($this->posts, $sticky_offset, 0, array($sticky_post)); $sticky_offset++; } } } // If comments have been fetched as part of the query, make sure comment meta lazy-loading is set up. if (!empty($this->comments)) { wp_queue_comments_for_comment_meta_lazyload($this->comments); } if (!$q['suppress_filters']) { /** * Filters the array of retrieved posts after they've been fetched and * internally processed. * * @since 1.5.0 * * @param array $posts The array of retrieved posts. * @param WP_Query &$this The WP_Query instance (passed by reference). */ $this->posts = apply_filters_ref_array('the_posts', array($this->posts, &$this)); } // Ensure that any posts added/modified via one of the filters above are // of the type WP_Post and are filtered. if ($this->posts) { $this->post_count = count($this->posts); $this->posts = array_map('get_post', $this->posts); if ($q['cache_results']) { update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']); } $this->post = reset($this->posts); } else { $this->post_count = 0; $this->posts = array(); } if ($q['lazy_load_term_meta']) { wp_queue_posts_for_term_meta_lazyload($this->posts); } return $this->posts; }
/** * List comments. * * Used in the comments.php template to list comments for a particular post. * * @since 2.7.0 * * @see WP_Query->comments * * @global WP_Query $wp_query * @global int $comment_alt * @global int $comment_depth * @global int $comment_thread_alt * @global bool $overridden_cpage * @global bool $in_comment_loop * * @param string|array $args { * Optional. Formatting options. * * @type object $walker Instance of a Walker class to list comments. Default null. * @type int $max_depth The maximum comments depth. Default empty. * @type string $style The style of list ordering. Default 'ul'. Accepts 'ul', 'ol'. * @type string $callback Callback function to use. Default null. * @type string $end-callback Callback function to use at the end. Default null. * @type string $type Type of comments to list. * Default 'all'. Accepts 'all', 'comment', 'pingback', 'trackback', 'pings'. * @type int $page Page ID to list comments for. Default empty. * @type int $per_page Number of comments to list per page. Default empty. * @type int $avatar_size Height and width dimensions of the avatar size. Default 32. * @type string $reverse_top_level Ordering of the listed comments. Default null. Accepts 'desc', 'asc'. * @type bool $reverse_children Whether to reverse child comments in the list. Default null. * @type string $format How to format the comments list. * Default 'html5' if the theme supports it. Accepts 'html5', 'xhtml'. * @type bool $short_ping Whether to output short pings. Default false. * @type bool $echo Whether to echo the output or return it. Default true. * } * @param array $comments Optional. Array of WP_Comment objects. */ function wp_list_comments($args = array(), $comments = null) { global $wp_query, $comment_alt, $comment_depth, $comment_thread_alt, $overridden_cpage, $in_comment_loop; $in_comment_loop = true; $comment_alt = $comment_thread_alt = 0; $comment_depth = 1; $defaults = array('walker' => null, 'max_depth' => '', 'style' => 'ul', 'callback' => null, 'end-callback' => null, 'type' => 'all', 'page' => '', 'per_page' => '', 'avatar_size' => 32, 'reverse_top_level' => null, 'reverse_children' => '', 'format' => current_theme_supports('html5', 'comment-list') ? 'html5' : 'xhtml', 'short_ping' => false, 'echo' => true); $r = wp_parse_args($args, $defaults); /** * Filter the arguments used in retrieving the comment list. * * @since 4.0.0 * * @see wp_list_comments() * * @param array $r An array of arguments for displaying comments. */ $r = apply_filters('wp_list_comments_args', $r); // Figure out what comments we'll be looping through ($_comments) if (null !== $comments) { $comments = (array) $comments; if (empty($comments)) { return; } if ('all' != $r['type']) { $comments_by_type = separate_comments($comments); if (empty($comments_by_type[$r['type']])) { return; } $_comments = $comments_by_type[$r['type']]; } else { $_comments = $comments; } } else { /* * If 'page' or 'per_page' has been passed, and does not match what's in $wp_query, * perform a separate comment query and allow Walker_Comment to paginate. */ if ($r['page'] || $r['per_page']) { $current_cpage = get_query_var('cpage'); if (!$current_cpage) { $current_cpage = 'newest' === get_option('default_comments_page') ? 1 : $wp_query->max_num_comment_pages; } $current_per_page = get_query_var('comments_per_page'); if ($r['page'] != $current_cpage || $r['per_page'] != $current_per_page) { $comments = get_comments(array('post_id' => get_the_ID(), 'orderby' => 'comment_date_gmt', 'order' => 'ASC', 'status' => 'all')); if ('all' != $r['type']) { $comments_by_type = separate_comments($comments); if (empty($comments_by_type[$r['type']])) { return; } $_comments = $comments_by_type[$r['type']]; } else { $_comments = $comments; } } // Otherwise, fall back on the comments from `$wp_query->comments`. } else { if (empty($wp_query->comments)) { return; } if ('all' != $r['type']) { if (empty($wp_query->comments_by_type)) { $wp_query->comments_by_type = separate_comments($wp_query->comments); } if (empty($wp_query->comments_by_type[$r['type']])) { return; } $_comments = $wp_query->comments_by_type[$r['type']]; } else { $_comments = $wp_query->comments; } if ($wp_query->max_num_comment_pages) { $default_comments_page = get_option('default_comments_page'); $cpage = get_query_var('cpage'); if ('newest' === $default_comments_page) { $r['cpage'] = $cpage; /* * When first page shows oldest comments, post permalink is the same as * the comment permalink. */ } elseif ($cpage == 1) { $r['cpage'] = ''; } else { $r['cpage'] = $cpage; } $r['page'] = 0; $r['per_page'] = 0; } } } if ('' === $r['per_page'] && get_option('page_comments')) { $r['per_page'] = get_query_var('comments_per_page'); } if (empty($r['per_page'])) { $r['per_page'] = 0; $r['page'] = 0; } if ('' === $r['max_depth']) { if (get_option('thread_comments')) { $r['max_depth'] = get_option('thread_comments_depth'); } else { $r['max_depth'] = -1; } } if ('' === $r['page']) { if (empty($overridden_cpage)) { $r['page'] = get_query_var('cpage'); } else { $threaded = -1 != $r['max_depth']; $r['page'] = 'newest' == get_option('default_comments_page') ? get_comment_pages_count($_comments, $r['per_page'], $threaded) : 1; set_query_var('cpage', $r['page']); } } // Validation check $r['page'] = intval($r['page']); if (0 == $r['page'] && 0 != $r['per_page']) { $r['page'] = 1; } if (null === $r['reverse_top_level']) { $r['reverse_top_level'] = 'desc' == get_option('comment_order'); } wp_queue_comments_for_comment_meta_lazyload($_comments); if (empty($r['walker'])) { $walker = new Walker_Comment(); } else { $walker = $r['walker']; } $output = $walker->paged_walk($_comments, $r['max_depth'], $r['page'], $r['per_page'], $r); $in_comment_loop = false; if ($r['echo']) { echo $output; } else { return $output; } }