3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for($i=0;$i<1000;$i++) $j=$j+$i;
based on kuLmD
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: j in /in/RtprX on line 1
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: j in /in/RtprX on line 1