/** * @see GenericArrayObject::unserialize * * @since 1.21 * * @param string $serialization * * @return array */ public function unserialize($serialization) { $serializationData = parent::unserialize($serialization); $this->byInternalId = $serializationData['internalIds']; $this->byGlobalId = $serializationData['globalIds']; return $serializationData; }