3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $long = sprintf('%u', ip2long("128.0.0.1")); echo long2ip($long), ", ", sprintf('%u', ip2long("128.0.0.0")), "\n";
Output for 4.3.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
128.0.0.1, 2147483648