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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('green', 'red'); $b = array('avocado', 'apple', 'a'); $c = array_combine($a, $b); print_r($c);

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
Warning: array_combine(): Both parameters should have an equal number of elements in /in/QGCu8 on line 4
Output for Array change keys
Warning: array_combine(): Both parameters should have an equal number of elements in /in/QGCu8 on line 4
Output for Lexical anon
Warning: array_combine(): Both parameters should have an equal number of elements in /in/QGCu8 on line 4

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