3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo{} $foo = new Foo(); var_dump($foo->goo);
based on 0Wud0
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
Notice: Undefined property: Foo::$goo in /in/FqQiB on line 7 NULL