3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a1b2c3 abc123'; $part = explode(' ', $str); $reverted = strrev($part[1]); $arr1 = str_split($part[1]); $arr2 = str_split($part[0]); if(count(array_diff($arr1, $arr2))){ echo "NO"; } else{ echo "YES"; }
Output for git.master, git.master_jit, rfc.property-hooks
YES

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:
62.91 ms | 401 KiB | 8 Q