function EntityDisplayBase::__sleep

Overrides ConfigEntityBase::__sleep

File

core/lib/Drupal/Core/Entity/EntityDisplayBase.php, line 551

Class

EntityDisplayBase

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

Namespace

Drupal\Core\Entity

Code

public function __sleep() : array {
    // 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';
    // Keep track of the initialization status.
    $keys[] = 'initialized';
    $this->_serializedKeys = $keys;
    return $keys;
}