3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo {} var_dump(unserialize('O:3:"Foo":0:{}'));
Output for 5.0.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
object(Foo)#1 (0) { }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 4.4.9
object(foo)(0) { }