3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = new stdclass; $x->{42} = 1337; $x = (array)$x; foreach ($x as $key => $value) { if (!array_key_exists($key, $x)) echo 'lolphp'; } ?>
based on Xr0Tv
Output for 7.2.0
Output for 5.3.17 - 7.1.10
lolphp