3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str_for_pass_encode='8E54E7DEB384F3620E6F88C10FCDD4EEA2AC03D4'; $pass='dfgfdgdfFF4434^^^^dfg34'; echo md5($str_for_pass_encode.$pass.md5($str_for_pass_encode));

preferences:
51.98 ms | 402 KiB | 5 Q