3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a' => -1, 'b' => 0.5, 'c' =>0.5]; //Combinations $c = [ ['a','b','c'], ['a','b'], ['a','c'], ['b','c'] ]; foreach($c as $v){ $s = array_sum(array_intersect_key($a,array_flip($v))); echo !$s ? (implode(' & ',$v)) : ''; }
Output for git.master, git.master_jit, rfc.property-hooks
a & b & c

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:
143.35 ms | 405 KiB | 5 Q