3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class CustomList extends ArrayObject{ } $list = new CustomList();
Output for 5.0.0 - 7.1.0
Output for 4.3.2 - 4.4.9
Fatal error: Class customlist: Cannot inherit from undefined class arrayobject in /in/YR2Xp on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Class customlist: Cannot inherit from undefined class arrayobject in /in/YR2Xp on line 3