3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = round(28*0.27+28*0.27*(0.0/100),2); $b = 0.27*28; var_dump($a-($b-0.0));
based on YXFdH
Output for 4.3.0 - 7.1.0
float(-8.8817841970013E-16)