3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = array(array('Hello','World!'),'World!','Beautiful','Day!'); echo implode(" ",$arr);

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
Notice: Array to string conversion in /in/IPpFl on line 3 Array World! Beautiful Day!
Output for Array change keys
Notice: Array to string conversion in /in/IPpFl on line 3 Array World! Beautiful Day!
Output for Lexical anon
Notice: Array to string conversion in /in/IPpFl on line 3 Array World! Beautiful Day!

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