inet_ntop

Converts a packed internet address to a human readable representation (PHP 5 >= 5.1.0RC1)
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. Returns FALSE on failure.

例 1377. 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;
?>
注意:

本函数未在 Windows 平台下实现。

See also long2ip(), inet_pton(), and ip2long().