3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 1; echo $a->invert;
Output for 5.0.0 - 7.1.0
Notice: Trying to get property of non-object in /in/lGZq8 on line 3
Output for 4.3.0 - 4.4.9