3v4l.org

run code in 300+ PHP versions simultaneously
<?php $secret = "3d3d516343746d4d6d6c315669563362"; // original method was base64 encode -> strrev -> bin2hex // new method will be hex2bin -> strrev -> base64 decode echo base64_decode(strrev(hex2bin($secret))); ?>
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
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preferences:
105.47 ms | 407 KiB | 5 Q