3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function next_business_day($n) { return (($n%5)+1); } echo(next_business_day(4));
based on itPG0
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
5