3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo floor((.7 + .1) * 10);
Output for 4.3.0 - 5.6.30, hhvm-3.10.1, hhvm-3.12.14 - 3.17.3, 7.0.0 - 7.2.0
7
Output for hhvm-3.11.1

Process exited with code 137.