3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str="3dollars"; $a=20; $a+=$str; print($a);
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/jmlra on line 5 23
Output for 5.3.18 - 7.0.20
23