Neos\Flow\Persistence\Generic\Backend\AbstractBackend::removeDeletedSplObjectStorageEntries PHP Метод

    protected function removeDeletedSplObjectStorageEntries(\SplObjectStorage $splObjectStorage = null, array $previousObjectStorage)
    {
        // remove objects detached since reconstitution
        foreach ($previousObjectStorage as $item) {
            if ($splObjectStorage instanceof LazySplObjectStorage && !$this->persistenceSession->hasIdentifier($item['value']['identifier'])) {
                // ingore this identifier, assume it was blocked by security query rewriting upon activation
                continue;
            }
            $object = $this->persistenceSession->getObjectByIdentifier($item['value']['identifier']);
            if ($splObjectStorage === null || !$splObjectStorage->contains($object)) {
                if ($this->reflectionService->getClassSchema($object)->getModelType() === ClassSchema::MODELTYPE_ENTITY && $this->reflectionService->getClassSchema($object)->isAggregateRoot() === false) {
                    $this->removeEntity($object);
                } elseif ($this->reflectionService->getClassSchema($object)->getModelType() === ClassSchema::MODELTYPE_VALUEOBJECT) {
                    $this->removeValueObject($object);
                }
            }
        }
    }