3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'a' + 'b'; var_dump($a);
Output for 7.1.0
Warning: A non-numeric value encountered in /in/k8nFR on line 3 Warning: A non-numeric value encountered in /in/k8nFR on line 3 int(0)
Output for 4.3.0 - 7.0.14
int(0)