3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pwd = 'Hello World'; $key = "ª®µ4_ψ¶-(o)(o)-¼8ØaQφ"; $result = ""; $string = base64_decode($pwd); for ($i = 0; $i < strlen($string); $i++) { $char = substr($string, $i, 1); $keychar = substr($key, ($i % strlen($key)) - 1, 1); $char = chr(ord($char) - ord($keychar)); $result.=$char; } echo $result;
Output for 4.4.1 - 4.4.9, 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
�'�߼i�
Output for 4.3.0 - 4.3.11, 4.4.0, 5.0.0 - 5.0.5
�'��7�#
preferences:
282.24 ms | 402 KiB | 460 Q