3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a[$c++]=$b[$c++];
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: c in /in/HPp4Z on line 2 Notice: Undefined variable: b in /in/HPp4Z on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: c in /in/HPp4Z on line 2 Notice: Undefined variable: b in /in/HPp4Z on line 2