3v4l.org

run code in 300+ PHP versions simultaneously
<?php function rot13encrypt ($str) { return str_rot13(base64_encode($str)); } function rot13decrypt ($str) { return base64_decode(str_rot13($str)); } // example $string = '34Jellon'; $encrypted = rot13encrypt ($string); echo $encrypted;
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 - 5.6.28, 7.0.0 - 7.0.20, 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
ZmEXMJkfo24=
preferences:
278.87 ms | 406 KiB | 382 Q