Online PHP editor | output for o18rg

<?php function encrypt($str, $key) { $iv = substr(md5("stoppay",true), 0, 8); return base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $str, MCRYPT_MODE_CBC, $iv)); } function decrypt($str, $key) { $iv = substr(md5("stoppay",true), 0, 8); return base64_decode(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $str, MCRYPT_MODE_CBC, $iv)); } /* $chave = "80ab0e26de70872c65830a2efedabad3"; $texto = "ForBrazil Ends"; echo encrypt($texto,$chave); */ $chave = "80ab0e26de70872c65830a2efedabad3"; $validacao = "7hm5ie9BUROMleN1QPUFJSCyFO48ht8OduNvp4de7Ks="; echo decrypt($validacao,$chave); /* $Validation = "7hm5ie9BUROMleN1QPUFJSCyFO48ht8OduNvp4de7Ks="; $key = "e79c4da4f94b86cba5a81ba39fed083dbaf8bce"; $key = "80ab0e26de70872c65830a2efedabad3"; $msg = $text['felicitation'].decrypt(base64_decode($Validation),base64_encode($key)); echo "Le flag est: ".$msg; */ ?>