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<?php function f($a, $k){return var_dump($a, true);} $ref = 'ref'; echo f(['no' => 'nope', 'yep' => &$ref], 'yep');
based on C12mc

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(2) { ["no"]=> string(4) "nope" ["yep"]=> &string(3) "ref" } bool(true)
Output for Arrow functions
array(2) { ["no"]=> string(4) "nope" ["yep"]=> &string(3) "ref" } bool(true)
Output for Object typehint
array(2) { ["no"]=> string(4) "nope" ["yep"]=> &string(3) "ref" } bool(true)
Output for Array change keys
array(2) { ["no"]=> string(4) "nope" ["yep"]=> &string(3) "ref" } bool(true)
Output for Lexical anon
array(2) { ["no"]=> string(4) "nope" ["yep"]=> &string(3) "ref" } bool(true)

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