inet_ntop

(PHP 5 >= 5.1.0)

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

说明

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.

参数

in_addr: A 32bit IPv4, or 128bit IPv6 address.

返回值

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

范例

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;
?>

注释

Note: 本函数未在 Windows 平台下实现。

参见

long2ip()
ip2long()
inet_pton()


	PHP5中文手册 headers_sent inet_pton Network PHP Manual inet_ntop (PHP 5 >= 5.1.0) inet_ntop — Converts a packed internet address to a human readable representation 说明 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. 参数 `in_addr` A 32bit IPv4, or 128bit IPv6 address. 返回值 Returns a string representation of the address or `FALSE` on failure. 范例 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; ?>` 注释 Note*: 本函数未在 Windows 平台下实现。参见 long2ip() ip2long() inet_pton() headers_sent inet_pton Network PHP Manual