/**
* Retrieve the posts based on query variables.
*
* There are a few filters and actions that can be used to modify the post
* database query.
*
* @since 1.5.0
* @access public
* @uses do_action_ref_array() Calls 'pre_get_posts' hook before retrieving posts.
*
* @return array List of posts.
*/
function &get_posts()
{
global $wpdb, $user_ID, $_wp_using_ext_object_cache;
$this->parse_query();
do_action_ref_array('pre_get_posts', array(&$this));
// Shorthand.
$q =& $this->query_vars;
// Fill again in case pre_get_posts unset some vars.
$q = $this->fill_query_vars($q);
// Set a flag if a pre_get_posts hook changed the query vars.
$hash = md5(serialize($this->query_vars));
if ($hash != $this->query_vars_hash) {
$this->query_vars_changed = true;
$this->query_vars_hash = $hash;
}
unset($hash);
// First let's clear some variables
$distinct = '';
$whichauthor = '';
$whichmimetype = '';
$where = '';
$limits = '';
$join = '';
$search = '';
$groupby = '';
$fields = '';
$post_status_join = false;
$page = 1;
if (isset($q['caller_get_posts'])) {
_deprecated_argument('WP_Query', '3.1', __('"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.'));
if (!isset($q['ignore_sticky_posts'])) {
$q['ignore_sticky_posts'] = $q['caller_get_posts'];
}
}
if (!isset($q['ignore_sticky_posts'])) {
$q['ignore_sticky_posts'] = false;
}
if (!isset($q['suppress_filters'])) {
$q['suppress_filters'] = false;
}
if (!isset($q['cache_results'])) {
if ($_wp_using_ext_object_cache) {
$q['cache_results'] = false;
} else {
$q['cache_results'] = true;
}
}
if (!isset($q['update_post_term_cache'])) {
$q['update_post_term_cache'] = true;
}
if (!isset($q['update_post_meta_cache'])) {
$q['update_post_meta_cache'] = true;
}
if (!isset($q['post_type'])) {
if ($this->is_search) {
$q['post_type'] = 'any';
} else {
$q['post_type'] = '';
}
}
$post_type = $q['post_type'];
if (!isset($q['posts_per_page']) || $q['posts_per_page'] == 0) {
$q['posts_per_page'] = get_option('posts_per_page');
}
if (isset($q['showposts']) && $q['showposts']) {
$q['showposts'] = (int) $q['showposts'];
$q['posts_per_page'] = $q['showposts'];
}
if (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0 && ($this->is_archive || $this->is_search)) {
$q['posts_per_page'] = $q['posts_per_archive_page'];
}
if (!isset($q['nopaging'])) {
if ($q['posts_per_page'] == -1) {
$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 true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present.
if (isset($q['no_found_rows'])) {
$q['no_found_rows'] = (bool) $q['no_found_rows'];
} else {
$q['no_found_rows'] = false;
}
switch ($q['fields']) {
case 'ids':
$fields = "{$wpdb->posts}.ID";
break;
case 'id=>parent':
$fields = "{$wpdb->posts}.ID, {$wpdb->posts}.post_parent";
break;
default:
$fields = "{$wpdb->posts}.*";
}
// If a month is specified in the querystring, load that month
if ($q['m']) {
$q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
$where .= " AND YEAR({$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)='" . $q['day'] . "'";
}
// If we've got a post_type AND its not "any" post_type.
if (!empty($q['post_type']) && 'any' != $q['post_type']) {
foreach ((array) $q['post_type'] as $_post_type) {
$ptype_obj = get_post_type_object($_post_type);
if (!$ptype_obj || !$ptype_obj->query_var || empty($q[$ptype_obj->query_var])) {
continue;
}
if (!$ptype_obj->hierarchical || strpos($q[$ptype_obj->query_var], '/') === false) {
// Non-hierarchical post_types & parent-level-hierarchical post_types can directly use 'name'
$q['name'] = $q[$ptype_obj->query_var];
} else {
// Hierarchical post_types will operate through the
$q['pagename'] = $q[$ptype_obj->query_var];
$q['name'] = '';
}
// Only one request for a slug is possible, this is why name & pagename are overwritten above.
break;
}
//end foreach
unset($ptype_obj);
}
if ('' != $q['name']) {
$q['name'] = sanitize_title_for_query($q['name']);
$where .= " AND {$wpdb->posts}.post_name = '" . $q['name'] . "'";
} elseif ('' != $q['pagename']) {
if (isset($this->queried_object_id)) {
$reqpage = $this->queried_object_id;
} else {
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'];
$where .= " AND ({$wpdb->posts}.ID = '{$reqpage}')";
$reqpage_obj = get_page($reqpage);
if (is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type) {
$this->is_attachment = true;
$post_type = $q['post_type'] = 'attachment';
$this->is_page = true;
$q['attachment_id'] = $reqpage;
}
}
} elseif ('' != $q['attachment']) {
$q['attachment'] = sanitize_title_for_query(wp_basename($q['attachment']));
$q['name'] = $q['attachment'];
$where .= " AND {$wpdb->posts}.post_name = '" . $q['attachment'] . "'";
}
if ($q['w']) {
$where .= ' AND ' . _wp_mysql_week("`{$wpdb->posts}`.`post_date`") . " = '" . $q['w'] . "'";
}
if (intval($q['comments_popup'])) {
$q['p'] = absint($q['comments_popup']);
}
// If an attachment is requested by number, let it supercede any post number.
if ($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) {
$term = esc_sql(like_escape($term));
$search .= "{$searchand}(({$wpdb->posts}.post_title LIKE '{$n}{$term}{$n}') OR ({$wpdb->posts}.post_content LIKE '{$n}{$term}{$n}'))";
$searchand = ' AND ';
}
$term = esc_sql(like_escape($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 = '') ";
}
}
}
// Allow plugins to contextually add/remove/modify the search section of the database query
$search = apply_filters_ref_array('posts_search', array($search, &$this));
// Taxonomies
if (!$this->is_singular) {
$this->parse_tax_query($q);
$clauses = $this->tax_query->get_sql($wpdb->posts, 'ID');
$join .= $clauses['join'];
$where .= $clauses['where'];
}
if ($this->is_tax) {
if (empty($post_type)) {
$post_type = 'any';
$post_status_join = true;
} elseif (in_array('attachment', (array) $post_type)) {
$post_status_join = true;
}
}
// Back-compat
if (!empty($this->tax_query->queries)) {
$tax_query_in_and = wp_list_filter($this->tax_query->queries, array('operator' => 'NOT IN'), 'NOT');
if (!empty($tax_query_in_and)) {
if (!isset($q['taxonomy'])) {
foreach ($tax_query_in_and as $a_tax_query) {
if (!in_array($a_tax_query['taxonomy'], array('category', 'post_tag'))) {
$q['taxonomy'] = $a_tax_query['taxonomy'];
if ('slug' == $a_tax_query['field']) {
$q['term'] = $a_tax_query['terms'][0];
} else {
$q['term_id'] = $a_tax_query['terms'][0];
}
break;
}
}
}
$cat_query = wp_list_filter($tax_query_in_and, array('taxonomy' => 'category'));
if (!empty($cat_query)) {
$cat_query = reset($cat_query);
$the_cat = get_term_by($cat_query['field'], $cat_query['terms'][0], 'category');
if ($the_cat) {
$this->set('cat', $the_cat->term_id);
$this->set('category_name', $the_cat->slug);
}
unset($the_cat);
}
unset($cat_query);
$tag_query = wp_list_filter($tax_query_in_and, array('taxonomy' => 'post_tag'));
if (!empty($tag_query)) {
$tag_query = reset($tag_query);
$the_tag = get_term_by($tag_query['field'], $tag_query['terms'][0], 'post_tag');
if ($the_tag) {
$this->set('tag_id', $the_tag->term_id);
}
unset($the_tag);
}
unset($tag_query);
}
}
// Author/user stuff
if (empty($q['author']) || $q['author'] == '0') {
$whichauthor = '';
} else {
$q['author'] = (string) urldecode($q['author']);
$q['author'] = addslashes_gpc($q['author']);
if (strpos($q['author'], '-') !== false) {
$eq = '!=';
$andor = 'AND';
$q['author'] = explode('-', $q['author']);
$q['author'] = (string) absint($q['author'][1]);
} else {
$eq = '=';
$andor = 'OR';
}
$author_array = preg_split('/[,\\s]+/', $q['author']);
$_author_array = array();
foreach ($author_array as $key => $_author) {
$_author_array[] = "{$wpdb->posts}.post_author " . $eq . ' ' . absint($_author);
}
$whichauthor .= ' AND (' . implode(" {$andor} ", $_author_array) . ')';
unset($author_array, $_author_array);
}
// Author stuff for nice URLs
if ('' != $q['author_name']) {
if (strpos($q['author_name'], '/') !== false) {
$q['author_name'] = explode('/', $q['author_name']);
if ($q['author_name'][count($q['author_name']) - 1]) {
$q['author_name'] = $q['author_name'][count($q['author_name']) - 1];
// no trailing slash
} else {
$q['author_name'] = $q['author_name'][count($q['author_name']) - 2];
// there was a trailling slash
}
}
$q['author_name'] = sanitize_title_for_query($q['author_name']);
$q['author'] = get_user_by('slug', $q['author_name']);
if ($q['author']) {
$q['author'] = $q['author']->ID;
}
$whichauthor .= " AND ({$wpdb->posts}.post_author = " . absint($q['author']) . ')';
}
// MIME-Type stuff for attachment browsing
if (isset($q['post_mime_type']) && '' != $q['post_mime_type']) {
$table_alias = $post_status_join ? $wpdb->posts : '';
$whichmimetype = wp_post_mime_type_where($q['post_mime_type'], $table_alias);
}
$where .= $search . $whichauthor . $whichmimetype;
if (empty($q['order']) || strtoupper($q['order']) != 'ASC' && strtoupper($q['order']) != 'DESC') {
$q['order'] = 'DESC';
}
// Order by
if (empty($q['orderby'])) {
$q['orderby'] = "{$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';
$allowed_keys[] = 'meta_value_num';
}
$q['orderby'] = urldecode($q['orderby']);
$q['orderby'] = addslashes_gpc($q['orderby']);
$orderby_array = explode(' ', $q['orderby']);
$q['orderby'] = '';
foreach ($orderby_array as $i => $orderby) {
// Only allow certain values for safety
if (!in_array($orderby, $allowed_keys)) {
continue;
}
switch ($orderby) {
case 'menu_order':
break;
case 'ID':
$orderby = "{$wpdb->posts}.ID";
break;
case 'rand':
$orderby = 'RAND()';
break;
case $q['meta_key']:
case 'meta_value':
$orderby = "{$wpdb->postmeta}.meta_value";
break;
case 'meta_value_num':
$orderby = "{$wpdb->postmeta}.meta_value+0";
break;
case 'comment_count':
$orderby = "{$wpdb->posts}.comment_count";
break;
default:
$orderby = "{$wpdb->posts}.post_" . $orderby;
}
$q['orderby'] .= ($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 {
$post_type_object = get_post_type_object($post_type);
if (empty($post_type_object)) {
$post_type_cap = $post_type;
}
}
$exclude_post_types = '';
$in_search_post_types = get_post_types(array('exclude_from_search' => false));
if (!empty($in_search_post_types)) {
$exclude_post_types .= $wpdb->prepare(" AND {$wpdb->posts}.post_type IN ('" . join("', '", $in_search_post_types) . "')");
}
if ('any' == $post_type) {
$where .= $exclude_post_types;
} elseif (!empty($post_type) && is_array($post_type)) {
$where .= " AND {$wpdb->posts}.post_type IN ('" . join("', '", $post_type) . "')";
} elseif (!empty($post_type)) {
$where .= " AND {$wpdb->posts}.post_type = '{$post_type}'";
$post_type_object = get_post_type_object($post_type);
} elseif ($this->is_attachment) {
$where .= " AND {$wpdb->posts}.post_type = 'attachment'";
$post_type_object = get_post_type_object('attachment');
} elseif ($this->is_page) {
$where .= " AND {$wpdb->posts}.post_type = 'page'";
$post_type_object = get_post_type_object('page');
} else {
$where .= " AND {$wpdb->posts}.post_type = 'post'";
$post_type_object = get_post_type_object('post');
}
if (!empty($post_type_object)) {
$edit_cap = $post_type_object->cap->edit_post;
$read_cap = $post_type_object->cap->read_post;
$edit_others_cap = $post_type_object->cap->edit_others_posts;
$read_private_cap = $post_type_object->cap->read_private_posts;
} else {
$edit_cap = 'edit_' . $post_type_cap;
$read_cap = 'read_' . $post_type_cap;
$edit_others_cap = 'edit_others_' . $post_type_cap . 's';
$read_private_cap = 'read_private_' . $post_type_cap . 's';
}
if (isset($q['post_status']) && '' != $q['post_status']) {
$statuswheres = array();
$q_status = explode(',', $q['post_status']);
$r_status = array();
$p_status = array();
$e_status = array();
if ($q['post_status'] == 'any') {
foreach (get_post_stati(array('exclude_from_search' => true)) as $status) {
$e_status[] = "{$wpdb->posts}.post_status <> '{$status}'";
}
} else {
foreach (get_post_stati() as $status) {
if (in_array($status, $q_status)) {
if ('private' == $status) {
$p_status[] = "{$wpdb->posts}.post_status = '{$status}'";
} else {
$r_status[] = "{$wpdb->posts}.post_status = '{$status}'";
}
}
}
}
if (empty($q['perm']) || 'readable' != $q['perm']) {
$r_status = array_merge($r_status, $p_status);
unset($p_status);
}
if (!empty($e_status)) {
$statuswheres[] = "(" . join(' AND ', $e_status) . ")";
}
if (!empty($r_status)) {
if (!empty($q['perm']) && 'editable' == $q['perm'] && !current_user_can($edit_others_cap)) {
$statuswheres[] = "({$wpdb->posts}.post_author = {$user_ID} " . "AND (" . join(' OR ', $r_status) . "))";
} else {
$statuswheres[] = "(" . join(' OR ', $r_status) . ")";
}
}
if (!empty($p_status)) {
if (!empty($q['perm']) && 'readable' == $q['perm'] && !current_user_can($read_private_cap)) {
$statuswheres[] = "({$wpdb->posts}.post_author = {$user_ID} " . "AND (" . join(' OR ', $p_status) . "))";
} else {
$statuswheres[] = "(" . join(' OR ', $p_status) . ")";
}
}
if ($post_status_join) {
$join .= " LEFT JOIN {$wpdb->posts} AS p2 ON ({$wpdb->posts}.post_parent = p2.ID) ";
foreach ($statuswheres as $index => $statuswhere) {
$statuswheres[$index] = "({$statuswhere} OR ({$wpdb->posts}.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))";
}
}
foreach ($statuswheres as $statuswhere) {
$where .= " AND {$statuswhere}";
}
} elseif (!$this->is_singular) {
$where .= " AND ({$wpdb->posts}.post_status = 'publish'";
// Add public states.
$public_states = get_post_stati(array('public' => true));
foreach ((array) $public_states as $state) {
if ('publish' == $state) {
// Publish is hard-coded above.
continue;
}
$where .= " OR {$wpdb->posts}.post_status = '{$state}'";
}
if (is_admin()) {
// Add protected states that should show in the admin all list.
$admin_all_states = get_post_stati(array('protected' => true, 'show_in_admin_all_list' => true));
foreach ((array) $admin_all_states as $state) {
$where .= " OR {$wpdb->posts}.post_status = '{$state}'";
}
}
if (is_user_logged_in()) {
// Add private states that are limited to viewing by the author of a post or someone who has caps to read private states.
$private_states = get_post_stati(array('private' => true));
foreach ((array) $private_states as $state) {
$where .= current_user_can($read_private_cap) ? " OR {$wpdb->posts}.post_status = '{$state}'" : " OR {$wpdb->posts}.post_author = {$user_ID} AND {$wpdb->posts}.post_status = '{$state}'";
}
}
$where .= ')';
}
// Parse the meta query again if query vars have changed.
if ($this->query_vars_changed) {
$meta_query_hash = md5(serialize($q['meta_query']));
$_meta_query = $q['meta_query'];
unset($q['meta_query']);
_parse_meta_query($q);
if (md5(serialize($q['meta_query'])) != $meta_query_hash && is_array($_meta_query)) {
$q['meta_query'] = array_merge($_meta_query, $q['meta_query']);
}
}
if (!empty($q['meta_query'])) {
$clauses = call_user_func_array('_get_meta_sql', array($q['meta_query'], 'post', $wpdb->posts, 'ID', &$this));
$join .= $clauses['join'];
$where .= $clauses['where'];
}
if (!empty($this->tax_query->queries) || !empty($q['meta_query'])) {
$groupby = "{$wpdb->posts}.ID";
}
// 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']) {
$where = apply_filters_ref_array('posts_where', array($where, &$this));
$join = apply_filters_ref_array('posts_join', array($join, &$this));
}
// Paging
if (empty($q['nopaging']) && !$this->is_singular) {
$page = absint($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']) {
$cjoin = apply_filters_ref_array('comment_feed_join', array($cjoin, &$this));
$cwhere = apply_filters_ref_array('comment_feed_where', array($cwhere, &$this));
$cgroupby = apply_filters_ref_array('comment_feed_groupby', array($cgroupby, &$this));
$corderby = apply_filters_ref_array('comment_feed_orderby', array('comment_date_gmt DESC', &$this));
$climits = apply_filters_ref_array('comment_feed_limits', array('LIMIT ' . get_option('posts_per_rss'), &$this));
}
$cgroupby = !empty($cgroupby) ? 'GROUP BY ' . $cgroupby : '';
$corderby = !empty($corderby) ? 'ORDER BY ' . $corderby : '';
$this->comments = (array) $wpdb->get_results("SELECT {$distinct} {$wpdb->comments}.* FROM {$wpdb->comments} {$cjoin} {$cwhere} {$cgroupby} {$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'];
$pieces = array('where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits');
// Apply post-paging filters on where and join. Only plugins that
// manipulate paging queries should use these hooks.
if (!$q['suppress_filters']) {
$where = apply_filters_ref_array('posts_where_paged', array($where, &$this));
$groupby = apply_filters_ref_array('posts_groupby', array($groupby, &$this));
$join = apply_filters_ref_array('posts_join_paged', array($join, &$this));
$orderby = apply_filters_ref_array('posts_orderby', array($orderby, &$this));
$distinct = apply_filters_ref_array('posts_distinct', array($distinct, &$this));
$limits = apply_filters_ref_array('post_limits', array($limits, &$this));
$fields = apply_filters_ref_array('posts_fields', array($fields, &$this));
// Filter all clauses at once, for convenience
$clauses = (array) apply_filters_ref_array('posts_clauses', array(compact($pieces), &$this));
foreach ($pieces as $piece) {
${$piece} = isset($clauses[$piece]) ? $clauses[$piece] : '';
}
}
// Announce current selection parameters. For use by caching plugins.
do_action('posts_selection', $where . $groupby . $orderby . $limits . $join);
// Filter again for the benefit of caching plugins. Regular plugins should use the hooks above.
if (!$q['suppress_filters']) {
$where = apply_filters_ref_array('posts_where_request', array($where, &$this));
$groupby = apply_filters_ref_array('posts_groupby_request', array($groupby, &$this));
$join = apply_filters_ref_array('posts_join_request', array($join, &$this));
$orderby = apply_filters_ref_array('posts_orderby_request', array($orderby, &$this));
$distinct = apply_filters_ref_array('posts_distinct_request', array($distinct, &$this));
$fields = apply_filters_ref_array('posts_fields_request', array($fields, &$this));
$limits = apply_filters_ref_array('post_limits_request', array($limits, &$this));
// Filter all clauses at once, for convenience
$clauses = (array) apply_filters_ref_array('posts_clauses_request', array(compact($pieces), &$this));
foreach ($pieces as $piece) {
${$piece} = isset($clauses[$piece]) ? $clauses[$piece] : '';
}
}
if (!empty($groupby)) {
$groupby = 'GROUP BY ' . $groupby;
}
if (!empty($orderby)) {
$orderby = 'ORDER BY ' . $orderby;
}
$found_rows = '';
if (!$q['no_found_rows'] && !empty($limits)) {
$found_rows = 'SQL_CALC_FOUND_ROWS';
}
$this->request = " SELECT {$found_rows} {$distinct} {$fields} FROM {$wpdb->posts} {$join} WHERE 1=1 {$where} {$groupby} {$orderby} {$limits}";
if (!$q['suppress_filters']) {
$this->request = apply_filters_ref_array('posts_request', array($this->request, &$this));
}
if ('ids' == $q['fields']) {
$this->posts = $wpdb->get_col($this->request);
return $this->posts;
}
if ('id=>parent' == $q['fields']) {
$this->posts = $wpdb->get_results($this->request);
$r = array();
foreach ($this->posts as $post) {
$r[$post->ID] = $post->post_parent;
}
return $r;
}
$this->posts = $wpdb->get_results($this->request);
// Raw results filter. Prior to status checks.
if (!$q['suppress_filters']) {
$this->posts = apply_filters_ref_array('posts_results', array($this->posts, &$this));
}
if (!empty($this->posts) && $this->is_comment_feed && $this->is_singular) {
$cjoin = apply_filters_ref_array('comment_feed_join', array('', &$this));
$cwhere = apply_filters_ref_array('comment_feed_where', array("WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this));
$cgroupby = apply_filters_ref_array('comment_feed_groupby', array('', &$this));
$cgroupby = !empty($cgroupby) ? 'GROUP BY ' . $cgroupby : '';
$corderby = apply_filters_ref_array('comment_feed_orderby', array('comment_date_gmt DESC', &$this));
$corderby = !empty($corderby) ? 'ORDER BY ' . $corderby : '';
$climits = apply_filters_ref_array('comment_feed_limits', array('LIMIT ' . get_option('posts_per_rss'), &$this));
$comments_request = "SELECT {$wpdb->comments}.* FROM {$wpdb->comments} {$cjoin} {$cwhere} {$cgroupby} {$corderby} {$climits}";
$this->comments = $wpdb->get_results($comments_request);
$this->comment_count = count($this->comments);
}
if (!$q['no_found_rows'] && !empty($limits)) {
$found_posts_query = apply_filters_ref_array('found_posts_query', array('SELECT FOUND_ROWS()', &$this));
$this->found_posts = $wpdb->get_var($found_posts_query);
$this->found_posts = apply_filters_ref_array('found_posts', array($this->found_posts, &$this));
$this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']);
}
// Check post status to determine if post should be displayed.
if (!empty($this->posts) && ($this->is_single || $this->is_page)) {
$status = get_post_status($this->posts[0]);
$post_status_obj = get_post_status_object($status);
//$type = get_post_type($this->posts[0]);
if (!$post_status_obj->public) {
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 && current_user_can($edit_cap, $this->posts[0]->ID)) {
$this->posts[0] = apply_filters_ref_array('the_preview', array($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__in = implode(',', array_map('absint', $sticky_posts));
// honor post type(s) if not set to any
$stickies_where = '';
if ('any' != $post_type && '' != $post_type) {
if (is_array($post_type)) {
$post_types = join("', '", $post_type);
} else {
$post_types = $post_type;
}
$stickies_where = "AND {$wpdb->posts}.post_type IN ('" . $post_types . "')";
}
$stickies = $wpdb->get_results("SELECT * FROM {$wpdb->posts} WHERE {$wpdb->posts}.ID IN ({$stickies__in}) {$stickies_where}");
foreach ($stickies as $sticky_post) {
// Ignore sticky posts the current user cannot read or are not published.
if ('publish' != $sticky_post->post_status) {
continue;
}
array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
$sticky_offset++;
}
}
}
if (!$q['suppress_filters']) {
$this->posts = apply_filters_ref_array('the_posts', array($this->posts, &$this));
}
$this->post_count = count($this->posts);
// 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');
}
if ($q['cache_results']) {
update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']);
}
if ($this->post_count > 0) {
$this->post = $this->posts[0];
}
return $this->posts;
}
/**
* Parse a query string and set query type booleans.
*
* @since 1.5.0
* @access public
*
* @param string|array $query Optional query.
*/
function parse_query($query = '')
{
if (!empty($query)) {
$this->init();
$this->query = $this->query_vars = wp_parse_args($query);
} elseif (!isset($this->query)) {
$this->query = $this->query_vars;
}
$this->query_vars = $this->fill_query_vars($this->query_vars);
$qv =& $this->query_vars;
if (!empty($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;
$this->is_single = false;
} else {
// Look for archive queries. Dates, categories, authors, search, post type archives.
if (!empty($qv['s'])) {
$this->is_search = true;
}
if ('' !== $qv['second']) {
$this->is_time = true;
$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;
}
$this->parsed_tax_query = false;
$this->parse_tax_query($qv);
foreach ($this->tax_query->queries as $tax_query) {
if ('IN' == $tax_query['operator']) {
switch ($tax_query['taxonomy']) {
case 'category':
$this->is_category = true;
break;
case 'post_tag':
$this->is_tag = true;
break;
default:
$this->is_tax = true;
}
}
}
unset($tax_query);
_parse_meta_query($qv);
if (empty($qv['author']) || $qv['author'] == '0') {
$this->is_author = false;
} else {
$this->is_author = true;
}
if ('' != $qv['author_name']) {
$this->is_author = true;
}
if (!empty($qv['post_type']) && !is_array($qv['post_type'])) {
$post_type_obj = get_post_type_object($qv['post_type']);
if (!empty($post_type_obj->has_archive)) {
$this->is_post_type_archive = true;
}
}
if ($this->is_post_type_archive || $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 && 'page' == get_option('show_on_front') && get_option('page_on_front')) {
$_query = wp_parse_args($this->query);
// pagename can be set and empty depending on matched rewrite rules. Ignore an empty pagename.
if (isset($_query['pagename']) && '' == $_query['pagename']) {
unset($_query['pagename']);
}
if (empty($_query) || !array_diff(array_keys($_query), array('preview', 'page', 'paged', 'cpage'))) {
$this->is_page = true;
$this->is_home = false;
$qv['page_id'] = get_option('page_on_front');
// Correct <!--nextpage--> for page_on_front
if (!empty($qv['paged'])) {
$qv['page'] = $qv['paged'];
unset($qv['paged']);
}
}
}
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_key', $qv['post_type']);
} else {
$qv['post_type'] = sanitize_key($qv['post_type']);
}
}
if (!empty($qv['post_status'])) {
$qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']);
}
if ($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']) {
$this->set_404();
}
do_action_ref_array('parse_query', array(&$this));
}
/**
* Prepare the query variables
*
* @since 3.1.0
* @access private
*/
function prepare_query()
{
global $wpdb;
$qv =& $this->query_vars;
if (is_array($qv['fields'])) {
$qv['fields'] = array_unique($qv['fields']);
$this->query_fields = array();
foreach ($qv['fields'] as $field) {
$this->query_fields[] = $wpdb->users . '.' . esc_sql($field);
}
$this->query_fields = implode(',', $this->query_fields);
} elseif ('all' == $qv['fields']) {
$this->query_fields = "{$wpdb->users}.*";
} else {
$this->query_fields = "{$wpdb->users}.ID";
}
$this->query_from = "FROM {$wpdb->users}";
$this->query_where = "WHERE 1=1";
// sorting
if (in_array($qv['orderby'], array('nicename', 'email', 'url', 'registered'))) {
$orderby = 'user_' . $qv['orderby'];
} elseif (in_array($qv['orderby'], array('user_nicename', 'user_email', 'user_url', 'user_registered'))) {
$orderby = $qv['orderby'];
} elseif ('name' == $qv['orderby'] || 'display_name' == $qv['orderby']) {
$orderby = 'display_name';
} elseif ('post_count' == $qv['orderby']) {
// todo: avoid the JOIN
$where = get_posts_by_author_sql('post');
$this->query_from .= " LEFT OUTER JOIN (\n\t\t\t\tSELECT post_author, COUNT(*) as post_count\n\t\t\t\tFROM {$wpdb->posts}\n\t\t\t\t{$where}\n\t\t\t\tGROUP BY post_author\n\t\t\t) p ON ({$wpdb->users}.ID = p.post_author)\n\t\t\t";
$orderby = 'post_count';
} elseif ('ID' == $qv['orderby'] || 'id' == $qv['orderby']) {
$orderby = 'ID';
} else {
$orderby = 'user_login';
}
$qv['order'] = strtoupper($qv['order']);
if ('ASC' == $qv['order']) {
$order = 'ASC';
} else {
$order = 'DESC';
}
$this->query_orderby = "ORDER BY {$orderby} {$order}";
// limit
if ($qv['number']) {
if ($qv['offset']) {
$this->query_limit = $wpdb->prepare("LIMIT %d, %d", $qv['offset'], $qv['number']);
} else {
$this->query_limit = $wpdb->prepare("LIMIT %d", $qv['number']);
}
}
$search = trim($qv['search']);
if ($search) {
$leading_wild = ltrim($search, '*') != $search;
$trailing_wild = rtrim($search, '*') != $search;
if ($leading_wild && $trailing_wild) {
$wild = 'both';
} elseif ($leading_wild) {
$wild = 'leading';
} elseif ($trailing_wild) {
$wild = 'trailing';
} else {
$wild = false;
}
if ($wild) {
$search = trim($search, '*');
}
if (false !== strpos($search, '@')) {
$search_columns = array('user_email');
} elseif (is_numeric($search)) {
$search_columns = array('user_login', 'ID');
} elseif (preg_match('|^https?://|', $search)) {
$search_columns = array('user_url');
} else {
$search_columns = array('user_login', 'user_nicename');
}
$this->query_where .= $this->get_search_sql($search, $search_columns, $wild);
}
$blog_id = absint($qv['blog_id']);
if ('authors' == $qv['who'] && $blog_id) {
$qv['meta_key'] = $wpdb->get_blog_prefix($blog_id) . 'user_level';
$qv['meta_value'] = '_wp_zero_value';
// Hack to pass '0'
$qv['meta_compare'] = '!=';
$qv['blog_id'] = $blog_id = 0;
// Prevent extra meta query
}
_parse_meta_query($qv);
$role = trim($qv['role']);
if ($blog_id && ($role || is_multisite())) {
$cap_meta_query = array();
$cap_meta_query['key'] = $wpdb->get_blog_prefix($blog_id) . 'capabilities';
if ($role) {
$cap_meta_query['value'] = '"' . $role . '"';
$cap_meta_query['compare'] = 'like';
}
$qv['meta_query'][] = $cap_meta_query;
}
if (!empty($qv['meta_query'])) {
$clauses = call_user_func_array('_get_meta_sql', array($qv['meta_query'], 'user', $wpdb->users, 'ID', &$this));
$this->query_from .= $clauses['join'];
$this->query_where .= $clauses['where'];
}
if (!empty($qv['include'])) {
$ids = implode(',', wp_parse_id_list($qv['include']));
$this->query_where .= " AND {$wpdb->users}.ID IN ({$ids})";
} elseif (!empty($qv['exclude'])) {
$ids = implode(',', wp_parse_id_list($qv['exclude']));
$this->query_where .= " AND {$wpdb->users}.ID NOT IN ({$ids})";
}
do_action_ref_array('pre_user_query', array(&$this));
}