3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { function muta($bar) { $arr[0] = $this; $new = &$arr[0]; $new = $bar; } } $a = new foo; $a->muta(new stdClass); echo get_class($a);
based on nORKb
Output for 4.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
foo
Output for hhvm-3.10.0

Process exited with code 153.