if ($result = $this->db->fetchAll($query, array($start, $items_per_page))) {
            $return['page']     = $page;
            $return['perpage']  = $items_per_page; 
            $return['total']    = $this->db->fetchOne("SELECT FOUND_ROWS() AS total"); 
            $return['num_pages'] = ceil($return['total'] / $items_per_page);