public function EntityDisplayBase::__sleep in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Entity/EntityDisplayBase.php \Drupal\Core\Entity\EntityDisplayBase::__sleep()

Overrides ConfigEntityBase::__sleep

File

core/lib/Drupal/Core/Entity/EntityDisplayBase.php, line 572

Class

EntityDisplayBase

Provides a common base class for entity view and form displays.

Namespace

Drupal\Core\Entity

Code

public function __sleep() {

  // Only store the definition, not external objects or derived data.
  $keys = array_keys($this
    ->toArray());

  // In addition, we need to keep the entity type and the "is new" status.
  $keys[] = 'entityTypeId';
  $keys[] = 'enforceIsNew';

  // Keep track of the serialized keys, to avoid calling toArray() again in
  // __wakeup(). Because of the way __sleep() works, the data has to be
  // present in the object to be included in the serialized values.
  $keys[] = '_serializedKeys';
  $this->_serializedKeys = $keys;
  return $keys;
}