function get_root_page($page_id) { global $wpdb; $parent = $wpdb->get_var("SELECT post_parent FROM $wpdb->posts WHERE post_type='page' AND ID = '$page_id'"); if ($parent == 0) return $page_id; else return get_root_page($parent); }
function get_root_page($page_id) { global $wpdb; $parent = $wpdb->get_var("SELECT post_parent FROM {$wpdb->posts} WHERE post_type='page' AND ID = '{$page_id}'"); if ($parent == 0) { return $page_id; } else { return get_root_page($parent); } }