TemporaryStorage::getData

public function getData($primary): ?array
{
	$primary = $this->getIdByPrimary($primary);
	if(isset($this->data[$primary]) && !empty($this->data[$primary]))
	{
		$oldData = $this->data[$primary];
		unset($this->data[$primary]);

		return $oldData;
	}

	return null;
}