3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = (object)array('01' => 'b'); foreach($arr as $k => $v) { echo $k; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
01