3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $greetings = "hi"; $gtzTo = "My brother"; $hail = "$greetings" + "$gtzTo"; echo "$hail";
based on cuNJk
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/ZqTtH on line 5 Warning: A non-numeric value encountered in /in/ZqTtH on line 5 0
Output for 5.4.0 - 7.0.20
0