3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = [ "tHe iPad hAS gONE ouT of STOCK PoWER uP YOur iPhone wHAT moDEL is YOUR aPPLE iPHOne", "fly the chopper to the helipad. an audiphone is a type of hearing aid consisting of a diaphragm that, when placed against the upper teeth, conveys sound vibrations to the inner ear" ]; foreach ($strings as $string) { echo preg_replace_callback('~\bi\K(?:pad|phone)\b|[a-z]+~', function($m) {return ucfirst($m[0]);}, strtolower($string)); echo "\n---\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
The iPad Has Gone Out Of Stock Power Up Your iPhone What Model Is Your Apple iPhone --- Fly The Chopper To The Helipad. An Audiphone Is A Type Of Hearing Aid Consisting Of A Diaphragm That, When Placed Against The Upper Teeth, Conveys Sound Vibrations To The Inner Ear ---

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:
123.41 ms | 406 KiB | 5 Q