3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = round((0 - 1) / 1000); var_dump($x);
based on 38GbU
Output for 5.2.1 - 7.2.0
float(-0)
Output for 4.3.0 - 5.2.0
float(0)