3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "9O"; $b = 80; echo $a+$b."39"; ?>
based on hPvaj
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/8g26h on line 9 8939
Output for 5.3.18 - 7.0.20
8939