3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function($string) { return preg_replace_callback( '/_([a-z])/', function ($string) { return strtoupper($string[1]); }, $string ); }; echo $a('IT_Solutions_Urgency_to_Change');
Output for git.master, git.master_jit, rfc.property-hooks
IT_Solutions_UrgencyTo_Change

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:
40.67 ms | 401 KiB | 8 Q