3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); REQUIRE_ONCE 'flag.php'; $hash_0 = $_GET[md5($_SERVER['REMOTE_ADDR'])]; $hash_1 = $_GET[md5($_SERVER['HTTP_USER_AGENT'])]; if ($hash_0 != $hash_1) if (md5($hash_0) === hash('md5', $hash_1)) if (hash('sha512', $hash_0, true) != hash('sha512', $hash_1, true)) echo 'You got it! Here is your flag:' . $FLAG; return;

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40.77 ms | 402 KiB | 5 Q