function DependencySerializationTrait::__sleep
Same name in other branches
- 9 core/lib/Drupal/Core/DependencyInjection/DependencySerializationTrait.php \Drupal\Core\DependencyInjection\DependencySerializationTrait::__sleep()
- 8.9.x core/lib/Drupal/Core/DependencyInjection/DependencySerializationTrait.php \Drupal\Core\DependencyInjection\DependencySerializationTrait::__sleep()
- 11.x core/lib/Drupal/Core/DependencyInjection/DependencySerializationTrait.php \Drupal\Core\DependencyInjection\DependencySerializationTrait::__sleep()
6 calls to DependencySerializationTrait::__sleep()
- ConfigImporter::reInjectMe in core/
lib/ Drupal/ Core/ Config/ ConfigImporter.php - Gets all the service dependencies from \Drupal.
- DrupalDateTime::__sleep in core/
lib/ Drupal/ Core/ Datetime/ DrupalDateTime.php - EntityBase::__sleep in core/
lib/ Drupal/ Core/ Entity/ EntityBase.php - ForumManager::__sleep in core/
modules/ forum/ src/ ForumManager.php - StorageComparer::__sleep in core/
lib/ Drupal/ Core/ Config/ StorageComparer.php
1 method overrides DependencySerializationTrait::__sleep()
- TermStorage::__sleep in core/
modules/ taxonomy/ src/ TermStorage.php
File
-
core/
lib/ Drupal/ Core/ DependencyInjection/ DependencySerializationTrait.php, line 33
Class
- DependencySerializationTrait
- Provides dependency injection friendly methods for serialization.
Namespace
Drupal\Core\DependencyInjectionCode
public function __sleep() {
$vars = get_object_vars($this);
try {
$container = \Drupal::getContainer();
$reverse_container = $container->get(ReverseContainer::class);
foreach ($vars as $key => $value) {
if (!is_object($value) || $value instanceof TranslatableMarkup) {
// Ignore properties that cannot be services.
continue;
}
if ($value instanceof EntityStorageInterface) {
// If a class member is an entity storage, only store the entity type
// ID the storage is for, so it can be used to get a fresh object on
// unserialization. By doing this we prevent possible memory leaks
// when the storage is serialized and it contains a static cache of
// entity objects. Additionally we ensure that we'll not have multiple
// storage objects for the same entity type and therefore prevent
// returning different references for the same entity.
$this->_entityStorages[$key] = $value->getEntityTypeId();
unset($vars[$key]);
}
elseif ($service_id = $reverse_container->getId($value)) {
// If a class member was instantiated by the dependency injection
// container, only store its ID so it can be used to get a fresh object
// on unserialization.
$this->_serviceIds[$key] = $service_id;
unset($vars[$key]);
}
}
} catch (ContainerNotInitializedException $e) {
// No container, no problem.
}
return array_keys($vars);
}
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