3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f(&$obst) { $obst['birne'] = 'gelb'; return $obst; } $obst['birne'] = 'gruen'; $obst = f($obst); var_dump($obst);
Output for 4.3.0 - 7.2.0
array(1) { ["birne"]=> string(4) "gelb" }