3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = "a8z"; echo $x + 1; $x++; echo $x;
Output for 7.1.0 - 7.2.6
Warning: A non-numeric value encountered in /in/NBAKU on line 3 1a9a
Output for 4.3.0 - 7.0.20
1a9a