3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php phpversion() >= "5.6.16" or die(); echo INF / pow(2.,64.),"\n"; echo fmod(INF, pow(2.,64.));
based on ZVEeO
Output for 5.6.8 - 5.6.9, 5.6.16 - 7.2.0
INF NAN
Output for 5.3.20 - 5.5.35, 5.6.10 - 5.6.15