ViewAjaxResponse example

      // argument validation is not triggered.       $args = array_map(function D$arg) {
        return ($arg == '' ? NULL : $arg);
      }, $args);

      $path = $request->get('view_path');
      $dom_id = $request->get('view_dom_id');
      $dom_id = isset($dom_id) ? preg_replace('/[^a-zA-Z0-9_-]+/', '-', $dom_id) : NULL;
      $pager_element = $request->get('pager_element');
      $pager_element = isset($pager_element) ? intval($pager_element) : NULL;

      $response = new ViewAjaxResponse();

      // Remove all of this stuff from the query of the request so it doesn't       // end up in pagers and tablesort URLs.       // @todo Remove this parsing once these are removed from the request in       // https://www.drupal.org/node/2504709.       foreach ([
        'view_name',
        'view_display_id',
        'view_args',
        'view_path',
        'view_dom_id',