/**
* Get hash fallback if no hash was created so far.
*
* @param GetHashEvent $event The subscribed event.
*
* @return void
*/
public function getFallback(GetHashEvent $event)
{
if ($event->getHash()) {
return;
}
$data = $event->getData();
if (is_object($data)) {
$event->setHash(spl_object_hash($data));
} else {
$event->setHash(md5(json_encode($data)));
}
}
