3v4l.org

run code in 300+ PHP versions simultaneously
<?php $secret = "3d3d516343746d4d6d6c315669563362"; //bin2hex(strrev(base64_encode($secret))); $secret1 = hex2bin($secret); $secret2 = strrev($secret1); $secret3 = base64_decode($secret2); print $secret3; ?>

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38.64 ms | 402 KiB | 5 Q