(PHP 5 >= 5.1.0, PHP 7)
inet_pton — Converts a human readable IP address to its packed in_addr representation
$address
) : stringThis 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.
addressA human readable IPv4 or IPv6 address.
Returns the in_addr representation of the given
address, or FALSE if a syntactically invalid
address is given (for example, an IPv4 address
without dots or an IPv6 address without colons).
Example #1 inet_pton() Example
<?php
$in_addr = inet_pton('127.0.0.1');
$in6_addr = inet_pton('::1');
?>