3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = ((string) 3) + "15%"; echo $x;
based on I9JmZ
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/kUA8o on line 2 18
Output for 4.3.0 - 7.0.20
18