3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 1; $b = "hej"; echo ($a+$b);
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/D23sH on line 5 1
Output for 5.3.20 - 7.0.20
1