3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class stdClass { }
based on 6Zdmf
Output for 7.0.0 - 7.2.0
Fatal error: Cannot declare class stdClass, because the name is already in use in /in/S1h14 on line 3
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Fatal error: Cannot redeclare class stdClass in /in/S1h14 on line 3
Process exited with code 255.