private static function display_all_records()
 {
     // hard code resuts per page and index length for now. Add to user-defined options later?
     $page_size = 5;
     $order_by = 'last_name';
     // allow to be configured by users in options later?
     // grab all registered users from db
     require_once __DIR__ . '/Database.php';
     $result_set = \ZwsContactsDatabase\Database::getAllRecords($order_by);
     // paginate and display the results
     require_once __DIR__ . '/ZwsPaginator.php';
     return true ? \ZwsContactsDatabase\ZwsPaginator::paginate($result_set, $page_size) : false;
 }