3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "Meow"; $b = "Mix"; echo $a + $b; ?>
Output for 7.1.0
Warning: A non-numeric value encountered in /in/VBiHv on line 6 Warning: A non-numeric value encountered in /in/VBiHv on line 6 0
Output for 4.3.0 - 5.6.22, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
0