3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f($a, $k){return print_r($a, true);} $ref = 'ref'; echo f(['no' => 'nope', 'yep' => &$ref], 'yep');
based on MHZg7

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 ( [no] => nope [yep] => ref )
Output for Array change keys
Array ( [no] => nope [yep] => ref )
Output for Lexical anon
Array ( [no] => nope [yep] => ref )

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