3v4l.org

run code in 300+ PHP versions simultaneously
<?php $user = "admin123"; $pass = "pass1234"; $secret= "pass123"; if(strcasecmp($user, "admin") && strcasecmp($pass, $secret)) echo"Here is your flag..\n"; else echo"No flag for n00bs..\n"; ?>

preferences:
50.71 ms | 402 KiB | 5 Q