3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo dechex("15") + 1;
based on LRfpn
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/eRMi7 on line 3 1
Output for 5.3.19 - 7.0.20
1