3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 3+"15%"+"$s5"; echo $x;
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/1vAuD on line 3 Notice: Undefined variable: s5 in /in/1vAuD on line 3 Warning: A non-numeric value encountered in /in/1vAuD on line 3 18
Output for 5.3.22 - 7.0.20
Notice: Undefined variable: s5 in /in/1vAuD on line 3 18