3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo bcadd(bcadd(bcsub(-1, 0.1), 1),0.1);
based on Mfil2
Output for 5.6.0 - 5.6.30, hhvm-3.12.14 - 3.17.3, 7.0.0 - 7.2.6
0