+ // 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'], $wpdb->posts );
+
+ $where .= $search . $whichauthor . $whichmimetype;
+
+ if ( ! empty( $this->meta_query->queries ) ) {
+ $clauses = $this->meta_query->get_sql( 'post', $wpdb->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 {
+ $orderby = "$wpdb->posts.post_date " . $q['order'];
+ }
+ } elseif ( 'none' == $q['orderby'] ) {
+ $orderby = '';
+ } elseif ( $q['orderby'] == 'post__in' && ! empty( $post__in ) ) {
+ $orderby = "FIELD( {$wpdb->posts}.ID, $post__in )";
+ } elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) {
+ $orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )";
+ } else {
+ $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 ) ) {
+ $orderby = "$wpdb->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'] ) {
+ /**
+ * Filter the ORDER BY used when ordering search results.
+ *
+ * @since 3.7.0
+ *
+ * @param string $search_orderby The ORDER BY clause.
+ * @param WP_Query $this The current WP_Query instance.
+ */
+ $search_orderby = apply_filters( 'posts_search_orderby', $search_orderby, $this );
+ }
+
+ if ( $search_orderby )
+ $orderby = $orderby ? $search_orderby . ', ' . $orderby : $search_orderby;
+ }
+
+ if ( is_array( $post_type ) && 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 .= $wpdb->prepare( " AND $wpdb->posts.post_password = %s", $q['post_password'] );
+ if ( empty( $q['perm'] ) ) {
+ $q['perm'] = 'readable';
+ }
+ } elseif ( isset( $q['has_password'] ) ) {
+ $where .= sprintf( " AND $wpdb->posts.post_password %s ''", $q['has_password'] ? '!=' : '=' );
+ }
+
+ if ( ! empty( $q['comment_status'] ) ) {
+ $where .= $wpdb->prepare( " AND $wpdb->posts.comment_status = %s ", $q['comment_status'] );
+ }
+
+ if ( ! empty( $q['ping_status'] ) ) {
+ $where .= $wpdb->prepare( " AND $wpdb->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 $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')";
+ } elseif ( !empty( $post_type ) && is_array( $post_type ) ) {
+ $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $post_type) . "')";
+ } elseif ( ! empty( $post_type ) ) {
+ $where .= " AND $wpdb->posts.post_type = '$post_type'";
+ $post_type_object = get_post_type_object ( $post_type );
+ } elseif ( $this->is_attachment ) {
+ $where .= " AND $wpdb->posts.post_type = 'attachment'";
+ $post_type_object = get_post_type_object ( 'attachment' );
+ } elseif ( $this->is_page ) {
+ $where .= " AND $wpdb->posts.post_type = 'page'";
+ $post_type_object = get_post_type_object ( 'page' );
+ } else {
+ $where .= " AND $wpdb->posts.post_type = 'post'";
+ $post_type_object = get_post_type_object ( 'post' );
+ }
+
+ $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 ) ) {
+ $e_status[] = "$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) . "))";
+ }
+ $where_status = implode( ' OR ', $statuswheres );
+ if ( ! empty( $where_status ) ) {
+ $where .= " AND ($where_status)";
+ }
+ } 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 ( $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 $wpdb->posts.post_status = '$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'";
+ }
+
+ $where .= ')';
+ }
+
+ /*
+ * Apply filters on where and join prior to paging so that any
+ * manipulations to them are reflected in the paging by day queries.
+ */
+ if ( !$q['suppress_filters'] ) {
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 $wpdb->posts ON ($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' OR ( post_status = 'inherit' && post_type = 'attachment' ) ) AND comment_approved = '1'";
+ $cgroupby = '';
+ }
+
+ if ( !$q['suppress_filters'] ) {
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->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 $wpdb->posts.ID IN ($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'] ) {
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 . $join );
+
+ /*
+ * Filter again for the benefit of caching plugins.
+ * Regular plugins should use the hooks above.
+ */
+ if ( !$q['suppress_filters'] ) {
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 ) );
+
+ /**
+ * Filter 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 $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
+
+ if ( !$q['suppress_filters'] ) {
+ /**
+ * Filter the completed SQL query before sending.
+ *
+ * @since 2.0.0
+ *
+ * @param array $request The complete SQL query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) );
+ }
+
+ if ( 'ids' == $q['fields'] ) {
+ $this->posts = $wpdb->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'] ) {
+ $this->posts = $wpdb->get_results( $this->request );
+ $this->post_count = count( $this->posts );
+ $this->set_found_posts( $q, $limits );
+
+ $r = array();
+ foreach ( $this->posts as $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;
+ }
+
+ $split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
+
+ /**
+ * Filter 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 $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
+
+ /**
+ * Filter 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 = $wpdb->get_col( $this->request );
+
+ if ( $ids ) {
+ $this->posts = $ids;
+ $this->set_found_posts( $q, $limits );
+ _prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
+ } else {
+ $this->posts = array();
+ }
+ } else {
+ $this->posts = $wpdb->get_results( $this->request );
+ $this->set_found_posts( $q, $limits );
+ }
+
+ // Convert to WP_Post objects
+ if ( $this->posts )
+ $this->posts = array_map( 'get_post', $this->posts );
+
+ if ( ! $q['suppress_filters'] ) {
+ /**
+ * Filter 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 $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits";
+ $comments = $wpdb->get_results($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 ) ) {
+ /**
+ * Filter 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'] ) {
+ /**
+ * Filter 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['update_post_term_cache'] ) {
+ wp_queue_posts_for_term_meta_lazyload( $this->posts );
+ }
+
+ return $this->posts;
+ }
+
+ /**
+ * Set up the amount of found posts and the number of pages (if limit clause was used)
+ * for the current query.
+ *
+ * @since 3.5.0
+ * @access private
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $q Query variables.
+ * @param string $limits LIMIT clauses of the query.
+ */
+ private function set_found_posts( $q, $limits ) {
+ global $wpdb;
+
+ // Bail if posts is an empty array. Continue if posts is an empty string,
+ // null, or false to accommodate caching plugins that fill posts later.
+ if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) )
+ return;
+
+ if ( ! empty( $limits ) ) {
+ /**
+ * Filter the query to run for retrieving the found posts.
+ *
+ * @since 2.1.0
+ *
+ * @param string $found_posts The query to run to find the found posts.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) );
+ } else {
+ $this->found_posts = count( $this->posts );
+ }
+
+ /**
+ * Filter the number of found posts for the query.
+ *
+ * @since 2.1.0
+ *
+ * @param int $found_posts The number of posts found.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
+
+ if ( ! empty( $limits ) )
+ $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] );
+ }
+
+ /**
+ * Set up the next post and iterate current post index.
+ *
+ * @since 1.5.0
+ * @access public
+ *
+ * @return WP_Post Next post.
+ */
+ public 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
+ *
+ * @global WP_Post $post
+ */
+ public function the_post() {
+ global $post;
+ $this->in_the_loop = true;
+
+ if ( $this->current_post == -1 ) // loop has just started
+ /**
+ * Fires once the loop is started.
+ *
+ * @since 2.0.0
+ *
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ do_action_ref_array( 'loop_start', array( &$this ) );
+
+ $post = $this->next_post();
+ $this->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
+ *
+ * @return bool True if posts are available, false if end of loop.
+ */
+ public function have_posts() {
+ if ( $this->current_post + 1 < $this->post_count ) {
+ return true;
+ } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
+ /**
+ * Fires once the loop has ended.
+ *
+ * @since 2.0.0
+ *
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ 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
+ */
+ public function rewind_posts() {
+ $this->current_post = -1;
+ if ( $this->post_count > 0 ) {
+ $this->post = $this->posts[0];
+ }
+ }
+
+ /**
+ * Iterate current comment index and return WP_Comment object.
+ *
+ * @since 2.2.0
+ * @access public
+ *
+ * @return WP_Comment Comment object.
+ */
+ public 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 WP_Comment $comment Current comment.
+ */
+ public function the_comment() {
+ global $comment;
+
+ $comment = $this->next_comment();
+
+ if ( $this->current_comment == 0 ) {
+ /**
+ * Fires once the comment loop is started.
+ *
+ * @since 2.2.0
+ */
+ 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.
+ */
+ public 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
+ */
+ 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.
+ */
+ public function query( $query ) {
+ $this->init();
+ $this->query = $this->query_vars = wp_parse_args( $query );
+ return $this->get_posts();
+ }
+
+ /**
+ * Retrieve queried object.
+ *
+ * If queried object is not set, then the queried object will be set from
+ * the category, tag, taxonomy, posts page, single post, page, or author
+ * query variable. After it is set up, it will be returned.
+ *
+ * @since 1.5.0
+ * @access public
+ *
+ * @return object
+ */
+ public function get_queried_object() {
+ if ( isset($this->queried_object) )
+ return $this->queried_object;
+
+ $this->queried_object = null;
+ $this->queried_object_id = null;
+
+ if ( $this->is_category || $this->is_tag || $this->is_tax ) {
+ if ( $this->is_category ) {
+ if ( $this->get( 'cat' ) ) {
+ $term = get_term( $this->get( 'cat' ), 'category' );
+ } elseif ( $this->get( 'category_name' ) ) {
+ $term = get_term_by( 'slug', $this->get( 'category_name' ), 'category' );
+ }
+ } elseif ( $this->is_tag ) {
+ if ( $this->get( 'tag_id' ) ) {
+ $term = get_term( $this->get( 'tag_id' ), 'post_tag' );
+ } elseif ( $this->get( 'tag' ) ) {
+ $term = get_term_by( 'slug', $this->get( 'tag' ), 'post_tag' );
+ }
+ } else {
+ // For other tax queries, grab the first term from the first clause.
+ $tax_query_in_and = wp_list_filter( $this->tax_query->queried_terms, array( 'operator' => 'NOT IN' ), 'NOT' );
+
+ if ( ! empty( $tax_query_in_and ) ) {
+ $queried_taxonomies = array_keys( $tax_query_in_and );
+ $matched_taxonomy = reset( $queried_taxonomies );
+ $query = $tax_query_in_and[ $matched_taxonomy ];
+
+ if ( $query['terms'] ) {
+ if ( 'term_id' == $query['field'] ) {
+ $term = get_term( reset( $query['terms'] ), $matched_taxonomy );
+ } else {
+ $term = get_term_by( $query['field'], reset( $query['terms'] ), $matched_taxonomy );
+ }
+ }
+ }
+ }
+
+ if ( ! empty( $term ) && ! is_wp_error( $term ) ) {
+ $this->queried_object = $term;
+ $this->queried_object_id = (int) $term->term_id;
+
+ if ( $this->is_category && 'category' === $this->queried_object->taxonomy )
+ _make_cat_compat( $this->queried_object );
+ }
+ } elseif ( $this->is_post_type_archive ) {
+ $post_type = $this->get( 'post_type' );
+ if ( is_array( $post_type ) )
+ $post_type = reset( $post_type );
+ $this->queried_object = get_post_type_object( $post_type );
+ } elseif ( $this->is_posts_page ) {
+ $page_for_posts = get_option('page_for_posts');
+ $this->queried_object = get_post( $page_for_posts );
+ $this->queried_object_id = (int) $this->queried_object->ID;
+ } elseif ( $this->is_singular && ! empty( $this->post ) ) {
+ $this->queried_object = $this->post;
+ $this->queried_object_id = (int) $this->post->ID;
+ } elseif ( $this->is_author ) {
+ $this->queried_object_id = (int) $this->get('author');
+ $this->queried_object = get_userdata( $this->queried_object_id );
+ }
+
+ return $this->queried_object;
+ }
+
+ /**
+ * Retrieve ID of the current queried object.
+ *
+ * @since 1.5.0
+ * @access public
+ *
+ * @return int
+ */
+ public function get_queried_object_id() {
+ $this->get_queried_object();
+
+ if ( isset($this->queried_object_id) ) {
+ return $this->queried_object_id;
+ }
+
+ return 0;
+ }
+
+ /**
+ * Constructor.
+ *
+ * Sets up the WordPress query, if parameter is not empty.
+ *
+ * @since 1.5.0
+ * @access public
+ *
+ * @param string|array $query URL query string or array of vars.
+ */
+ public function __construct($query = '') {
+ if ( ! empty($query) ) {
+ $this->query($query);
+ }
+ }
+
+ /**
+ * Make private properties readable for backwards compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param string $name Property to get.
+ * @return mixed Property.
+ */
+ public function __get( $name ) {
+ if ( in_array( $name, $this->compat_fields ) ) {
+ return $this->$name;
+ }
+ }
+
+ /**
+ * Make private properties checkable for backwards compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param string $name Property to check if set.
+ * @return bool Whether the property is set.
+ */
+ public function __isset( $name ) {
+ if ( in_array( $name, $this->compat_fields ) ) {
+ return isset( $this->$name );
+ }
+ }
+
+ /**
+ * Make private/protected methods readable for backwards compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param callable $name Method to call.
+ * @param array $arguments Arguments to pass when calling.
+ * @return mixed|false Return value of the callback, false otherwise.
+ */
+ public function __call( $name, $arguments ) {
+ if ( in_array( $name, $this->compat_methods ) ) {
+ return call_user_func_array( array( $this, $name ), $arguments );
+ }
+ return false;
+ }
+
+ /**
+ * Is the query for an existing archive page?
+ *
+ * Month, Year, Category, Author, Post Type archive...
+ *
+ * @since 3.1.0
+ *
+ * @return bool
+ */
+ public function is_archive() {
+ return (bool) $this->is_archive;
+ }
+
+ /**
+ * Is the query for an existing post type archive page?
+ *
+ * @since 3.1.0
+ *
+ * @param mixed $post_types Optional. Post type or array of posts types to check against.
+ * @return bool
+ */
+ public function is_post_type_archive( $post_types = '' ) {
+ if ( empty( $post_types ) || ! $this->is_post_type_archive )
+ return (bool) $this->is_post_type_archive;
+
+ $post_type = $this->get( 'post_type' );
+ if ( is_array( $post_type ) )
+ $post_type = reset( $post_type );
+ $post_type_object = get_post_type_object( $post_type );
+
+ return in_array( $post_type_object->name, (array) $post_types );
+ }
+
+ /**
+ * Is the query for an existing attachment page?
+ *
+ * @since 3.1.0
+ *
+ * @param mixed $attachment Attachment ID, title, slug, or array of such.
+ * @return bool
+ */
+ public function is_attachment( $attachment = '' ) {
+ if ( ! $this->is_attachment ) {
+ return false;
+ }
+
+ if ( empty( $attachment ) ) {
+ return true;
+ }
+
+ $attachment = array_map( 'strval', (array) $attachment );
+
+ $post_obj = $this->get_queried_object();
+
+ if ( in_array( (string) $post_obj->ID, $attachment ) ) {
+ return true;
+ } elseif ( in_array( $post_obj->post_title, $attachment ) ) {
+ return true;
+ } elseif ( in_array( $post_obj->post_name, $attachment ) ) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Is the query for an existing author archive page?
+ *
+ * If the $author parameter is specified, this function will additionally
+ * check if the query is for one of the authors specified.
+ *
+ * @since 3.1.0
+ *
+ * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
+ * @return bool
+ */
+ public function is_author( $author = '' ) {
+ if ( !$this->is_author )
+ return false;
+
+ if ( empty($author) )
+ return true;
+
+ $author_obj = $this->get_queried_object();
+
+ $author = array_map( 'strval', (array) $author );
+
+ if ( in_array( (string) $author_obj->ID, $author ) )
+ return true;
+ elseif ( in_array( $author_obj->nickname, $author ) )
+ return true;
+ elseif ( in_array( $author_obj->user_nicename, $author ) )
+ return true;
+
+ return false;
+ }
+
+ /**
+ * Is the query for an existing category archive page?
+ *
+ * If the $category parameter is specified, this function will additionally
+ * check if the query is for one of the categories specified.
+ *
+ * @since 3.1.0
+ *
+ * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
+ * @return bool
+ */
+ public function is_category( $category = '' ) {
+ if ( !$this->is_category )
+ return false;
+
+ if ( empty($category) )
+ return true;
+
+ $cat_obj = $this->get_queried_object();
+
+ $category = array_map( 'strval', (array) $category );
+
+ if ( in_array( (string) $cat_obj->term_id, $category ) )
+ return true;
+ elseif ( in_array( $cat_obj->name, $category ) )
+ return true;
+ elseif ( in_array( $cat_obj->slug, $category ) )
+ return true;
+
+ return false;
+ }
+
+ /**
+ * Is the query for an existing tag archive page?
+ *
+ * If the $tag parameter is specified, this function will additionally
+ * check if the query is for one of the tags specified.
+ *
+ * @since 3.1.0
+ *
+ * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
+ * @return bool
+ */
+ public function is_tag( $tag = '' ) {
+ if ( ! $this->is_tag )
+ return false;
+
+ if ( empty( $tag ) )
+ return true;
+
+ $tag_obj = $this->get_queried_object();
+
+ $tag = array_map( 'strval', (array) $tag );
+
+ if ( in_array( (string) $tag_obj->term_id, $tag ) )
+ return true;
+ elseif ( in_array( $tag_obj->name, $tag ) )
+ return true;
+ elseif ( in_array( $tag_obj->slug, $tag ) )
+ return true;
+
+ return false;
+ }
+
+ /**
+ * Is the query for an existing taxonomy archive page?
+ *
+ * If the $taxonomy parameter is specified, this function will additionally
+ * check if the query is for that specific $taxonomy.
+ *
+ * If the $term parameter is specified in addition to the $taxonomy parameter,
+ * this function will additionally check if the query is for one of the terms
+ * specified.
+ *
+ * @since 3.1.0
+ *
+ * @global array $wp_taxonomies
+ *
+ * @param mixed $taxonomy Optional. Taxonomy slug or slugs.
+ * @param mixed $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
+ * @return bool
+ */
+ public function is_tax( $taxonomy = '', $term = '' ) {
+ global $wp_taxonomies;
+
+ if ( !$this->is_tax )
+ return false;