3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Legend Of Zelda"; $array = array("to","of","at"); echo preg_replace_callback('~\b(?:' . implode("|", $array) . ')\b~ui', function ($m) { return mb_strtolower($m[0]); }, $string);
Output for git.master_jit, git.master, rfc.property-hooks
Legend of Zelda

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:
47.92 ms | 405 KiB | 9 Q