inet_pton --
Converts a human readable IP address to its packed in_addr representation
Description
string inet_pton ( string address )
This function converts a human readable IPv4 or IPv6 address (if PHP
was built with IPv6 support enabled) into an address family appropriate
32bit or 128bit binary structure.
Пример 1. inet_pton() Example
<?php $in_addr = inet_pton('127.0.0.1');
$in6_addr = inet_pton('::1');
?>
Замечание: Для Windows-платформ
эта функция не реализована.