3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x=5; echo round(($n+$x/2)/$x)*$x;
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: n in /in/mr9IJ on line 3 5
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: n in /in/mr9IJ on line 3 5