3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(ip2long("255.255.255.255"));
Output for 4.3.0 - 4.3.4, 5.2.5 - 7.2.0
int(4294967295)
Output for 4.3.5 - 4.4.9, 5.0.2 - 5.2.4
int(-1)
Output for 5.0.0 - 5.0.1
bool(false)