3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $val = 100; $val = $val - 1; $val = ((floor(($val - 1) * 100) + 100) - 100) / 100 + 1; echo $val;
Output for 4.3.0 - 7.3.0rc4
99