3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cipher = mcrypt_encrypt(MCRYPT_AES_256, md5('my-key'), 'Hello World'); $plain = mcrypt_decrypt(MCRYPT_AES_256, mdt('not-my-key'), $cipher); var_dump($plain);

preferences:
42.77 ms | 402 KiB | 5 Q