3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_export(round(900 - 899.6, 5));
based on fe3Lk
Output for 5.3.19 - 5.4.21, 7.1.0 - 7.2.0
0.4
Output for 5.6.28, 7.0.20
0.40000000000000002
Output for 5.4.22 - 5.6.21, 7.0.0 - 7.0.6
0.40000000000000002220446