在线文档教程
PHP
联网 | Networking

inet_ntop

inet_ntop

(PHP 5 >= 5.1.0, PHP 7)

inet_ntop — Converts a packed internet address to a human readable representation

Description

string inet_ntop ( string $in_addr )

This function converts a 32bit IPv4, or 128bit IPv6 address (if PHP was built with IPv6 support enabled) into an address family appropriate string representation.

Parameters

in_addr

A 32bit IPv4, or 128bit IPv6 address.

Return Values

Returns a string representation of the address or FALSE on failure.

Examples

Example #1 inet_ntop() Example

<?php $packed = chr(127) . chr(0) . chr(0) . chr(1 $expanded = inet_ntop($packed /* Outputs: 127.0.0.1 */ echo $expanded; $packed = str_repeat(chr(0), 15) . chr(1 $expanded = inet_ntop($packed /* Outputs: ::1 */ echo $expanded; ?>

Changelog

VersionDescription
5.3.0This function is now available on Windows platforms.

See Also

  • long2ip() - Converts an long integer address into a string in (IPv4) Internet standard dotted format

  • ip2long() - Converts a string containing an (IPv4) Internet Protocol dotted address into a long integer

  • inet_pton() - Converts a human readable IP address to its packed in_addr representation

← http_response_code

inet_pton →

© 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/function.inet-ntop.php