Entity::fillStorageNode

protected function fillStorageNode($node, array $nodeValues)
{
	$node = (string)$node;
	if ($node === '' || empty($nodeValues))
		return;
	if (!isset($this->storage[$node]))
		$this->storage[$node] = [];
	$this->storage[$node] = array_merge($this->storage[$node], $nodeValues);
}