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"; echo "Noob";} else echo"No flag for n00bs..\n"; ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Here is your flag.. Noob

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289.33 ms | 406 KiB | 460 Q