3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array ('a','b','c','d'); $keys = array_keys($array); for ($i = 0; $i < count($keys); $i++) { $cur = $array[$keys[$i]]; $next = $array[$keys[$i+1]]; echo "current item: ".$cur; echo "\n"; echo "current item: ".$next; }
Output for git.master, git.master_jit, rfc.property-hooks
current item: a current item: bcurrent item: b current item: ccurrent item: c current item: d Warning: Undefined array key 4 in /in/0Qs9L on line 8 Warning: Undefined array key "" in /in/0Qs9L on line 8 current item: d current item:

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:
42.5 ms | 401 KiB | 8 Q