3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array( 0 => 'x', 1 => 'y', 2 => 'z', ); echo $array[false]; echo $array[null];
based on FWXWg

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

Output for Typed properties v2
x Notice: Undefined index: in /in/2R9gj on line 10
Output for Arrow functions
x Notice: Undefined index: in /in/2R9gj on line 10
Output for Object typehint
x Notice: Undefined index: in /in/2R9gj on line 10
Output for Array change keys
x Notice: Undefined index: in /in/2R9gj on line 10
Output for Lexical anon
x Notice: Undefined index: in /in/2R9gj on line 10

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