3v4l.org

run code in 300+ PHP versions simultaneously
<?php $lowercase = "cats"; $uppercase = "DOGS"; $multiplewords = "the cats and the dogs"; echo strtoupper($lowercase); echo "</br>"; echo strtolower($uppercase); echo "</br>"; echo ucfirst($lowercase); echo "</br>"; echo ucwords($multiplewords); echo "</br>"; ?>
Output for git.master, git.master_jit, rfc.property-hooks
CATS</br>dogs</br>Cats</br>The Cats And The Dogs</br>

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:
60.16 ms | 401 KiB | 8 Q