inet_pton()

inet_pton() — Converts a human readable IP address to its packed in_addr representation.

Built-in function of PHP 8.5. The manual lists it as available in PHP 5 >= 5.1.0, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

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.

Signature

inet_pton(string $ip): string|false

Parameters

Return value

Returns the in_addr representation of the given ip, or false if a syntactically invalid ip is given (for example, an IPv4 address without dots or an IPv6 address without colons).

Example

A runnable snippet:

$in_addr = inet_pton('127.0.0.1'); $in6_addr = inet_pton('::1');

See also

ip2long(), long2ip(), inet_ntop()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page inet_pton() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.