Elastica\Document::getData PHP Метод

    public function getData()
    {
        return $this->_data;
    }

 /**
  * @param Document|array $documentOrSource Document object or source array
  * @return Message
  *
  * @throws \Exception
  * @throws GdbotsPbjException
  */
 public function unmarshal($documentOrSource)
 {
     if ($documentOrSource instanceof Document) {
         return $this->doUnmarshal($documentOrSource->getData());
     }
     return $this->doUnmarshal($documentOrSource);
 }