3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ao = new ArrayObject(); $obj = new ArrayObject($ao); $ao->exchangeArray($obj);
Output for 5.2.15 - 5.2.17, 7.0.0 - 7.1.0
Output for 5.3.4 - 5.6.28

Process exited with code 137.