3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 1; echo (++$a.$a+$a++.$a) + "3 Little Piggies"; ?>
Output for 7.1.0
Notice: A non well formed numeric value encountered in /in/kEknq on line 3 246
Output for 4.3.0 - 7.0.14
246