org\bovigo\vfs\vfsStream::getCurrentUser PHP Метод

If the system does not support posix_getuid() the current user will be root (0).

public static getCurrentUser ( ) : integer
Результат	integer

    public static function getCurrentUser()
    {
        return function_exists('posix_getuid') ? posix_getuid() : self::OWNER_ROOT;
    }

vfsStream