3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = ""; $login = " "; $plain = "login=".$login; $res = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $plain, "ecb"); $res = base64_encode($res); print $res;

preferences:
55.21 ms | 402 KiB | 5 Q