3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 3 + "15%"; echo $x;
based on 0bKOe
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/DlQWa on line 2 18
Output for 4.3.0 - 7.0.20
18