3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i = 0; $i = $i++; echo i;
based on AX07X
Output for 7.2.0
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/leXGg on line 4 i
Output for 5.3.21 - 7.1.10
Notice: Use of undefined constant i - assumed 'i' in /in/leXGg on line 4 i