<?php
// your code goes here
$methods = "aes-192-cfb8";
$str = "5c7Zms7hW3y4e4gOCOjzfg==";
$clefSecrete = "glop";
$bla = openssl_decrypt($str, $methods, $clefSecrete);
print "$bla";
?>
PD9waHAKCi8vIHlvdXIgY29kZSBnb2VzIGhlcmUKJG1ldGhvZHMgPSAiYWVzLTE5Mi1jZmI4IjsKJHN0ciA9ICI1YzdabXM3aFczeTRlNGdPQ09qemZnPT0iOwokY2xlZlNlY3JldGUgPSAiZ2xvcCI7CiRibGEgPSBvcGVuc3NsX2RlY3J5cHQoJHN0ciwgJG1ldGhvZHMsICRjbGVmU2VjcmV0ZSk7CiAgICBwcmludCAiJGJsYSI7Cj8+