3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = 5.0; $a = [5 => 'hello']; if (isset($a[$f])) { var_dump($f); }
Output for git.master_jit, git.master, rfc.property-hooks
float(5)

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:
57.53 ms | 405 KiB | 5 Q