3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ary = array(); $ary['foo'] = 'bar'; function my_func(&$ary) { $ary['bar'] = 'foo'; } my_func($ary); var_dump($ary);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { ["foo"]=> string(3) "bar" ["bar"]=> string(3) "foo" }