Brabijan\Images\ImagePipe::mkdir PHP Method

    private static function mkdir($dir)
    {
        $oldMask = umask(0);
        @mkdir($dir, 0777, TRUE);
        @chmod($dir, 0777);
        umask($oldMask);
        if (!is_dir($dir) || !is_writable($dir)) {
            throw new Nette\IOException("Please create writable directory {$dir}.");
        }
    }