CWebDavStorageCore::isUnique

public function isUnique($name, $targetDirectoryId, &$opponentId = null)
{
	/** @noinspection PhpUndefinedVariableInspection */
	$isUniqueName = $this->init()->getWebDav()->checkUniqueName($name, $targetDirectoryId, $res);
	if(!$isUniqueName)
	{
		$opponentId = $res['id'];
	}
	return $isUniqueName;
}