php subscribe

    function save_email($email)
    {
        $path = "my_subsribes.777";
        $pf = fopen($path, 'a') or die ("ERROR: 777 - Please contact administrators.");
        date_default_timezone_set('Europe/Belgrade');
            $current_date = date("d. m. Y. H:i:s");
        $email = $current_date . ' - ' . $email . PHP_EOL;
        fwrite($pf, $email);
        fclose($pf);
    }