3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "abcdefgh"; for ($i = 0, $len = mb_strlen($s)-1; $i < $len; $i++, $len--) { $s[$i] = $s[$i] ^ $s[$len]; $s[$len] = $s[$i] ^ $s[$len]; $s[$i] = $s[$i] ^ $s[$len]; } echo $s;
Output for git.master, git.master_jit, rfc.property-hooks
hgfedcba

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page


preferences:
37.77 ms | 401 KiB | 8 Q