3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(round(-1e-99)); var_dump(+round(-1e-99));
Output for 7.0.2 - 7.2.0
float(-0) float(-0)
Output for 5.3.19 - 7.0.1
float(-0) float(0)