3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $kod = 0; $_Stworz = "y"; ${"y"} = 0; echo $_Stworz->$kod;
Output for 7.2.0
Notice: Trying to get property '0' of non-object in /in/df54j on line 6
Output for 5.0.0 - 7.1.10
Notice: Trying to get property of non-object in /in/df54j on line 6
Output for 4.3.0 - 4.4.9