/**
* @return mixed|null
* @throws \InvalidArgumentException
*/
public function commit()
{
/**
* @eventName CacheCommitItem
* @param $this ExtendedCacheItemPoolInterface
* @param $deferredList ExtendedCacheItemInterface[]
*/
$this->eventManager->dispatch('CacheCommitItem', $this, $this->deferredList);
$return = null;
foreach ($this->deferredList as $key => $item) {
$result = $this->save($item);
if ($return !== false) {
unset($this->deferredList[$key]);
$return = $result;
}
}
return (bool) $return;
}
