3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = []; var_dump((bool) $a['t'] ?? null);
based on C35Aa

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Arrow functions
Notice: Undefined index: t in /in/IVJ8C on line 5 bool(false)

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