3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $dob= "hello"; $age=$dob + 15; echo "$age"; ?>
based on 7fRQr
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/r3FIo on line 3 15
Output for 5.3.19 - 7.0.20
15