3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class x {} $x = new x(); var_dump($x->test);
Output for 5.2.6 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Undefined property: x::$test in /in/3fJfS on line 7 NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.5
Notice: Undefined property: x::$test in /in/3fJfS on line 7 NULL
Output for 4.3.0 - 4.4.9
Notice: Undefined property: test in /in/3fJfS on line 7 NULL