3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = "foo"; $bar = "bar"; echo $foo + $bar;
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/tH3KZ on line 6 Warning: A non-numeric value encountered in /in/tH3KZ on line 6 0
Output for 4.3.0 - 7.0.20
0