3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php print("a" + "b");
Output for 7.1.0 - 7.1.7
Warning: A non-numeric value encountered in /in/g25DX on line 2 Warning: A non-numeric value encountered in /in/g25DX on line 2 0
Output for 5.3.0 - 7.0.20
0