3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a[3][10] = null; if(isset($a[3][10])) { echo 'Isset'; } else { echo 'No'; }
Output for git.master, git.master_jit, rfc.literals, rfc.partials
No

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:
13.78 ms | 458 KiB | 5 Q