3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "1d9"; $a++; echo $a, "\n"; $a++; print $a;
based on FJsD8
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.0rc3
1e0 2