3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bad = ['fook', 'shoot']; $pattern = '/(?:\b(?=(?:' . implode('|', $bad) . ')\b)\w\K|\G(?!^))\w/i'; echo preg_replace($pattern, '*', 'Holy fook n shoot, Batman; The Joker\'s shooting The Riddler!');
Output for git.master, git.master_jit, rfc.property-hooks
Holy f*** n s****, Batman; The Joker's shooting The Riddler!

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:
38.28 ms | 401 KiB | 8 Q