errore di sintassi

[pablos]

public function getGraphObjectList($type = 'Facebook\GraphObject') {
    $out = array();
    $data = $this->responseData->data;
    for ($i = 0; $i < count($data); $i++) {
      $out[] = (new GraphObject($data[$i]))->cast($type);
    }
    return $out;
  }