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Bugs & Features
<?php $test = ['a', 'b', 'c']; array_walk($test, function (&$value, $key) { $value = 1; }); var_dump($test);

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
array(3) { [0]=> int(1) [1]=> int(1) [2]=> int(1) }
Output for Array change keys
array(3) { [0]=> int(1) [1]=> int(1) [2]=> int(1) }
Output for Lexical anon
array(3) { [0]=> int(1) [1]=> int(1) [2]=> int(1) }

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