inet_ntop
(PHP 5 >= 5.1.0, PHP 7)
inet_ntop — Converts a packed internet address to a human readable representation
说明
inet_ntop (
string
$in_addr ) :
string
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 或者在失败时返回 FALSE.
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;
?>
更新日志
| 版本 | 说明 |
|---|---|
| 5.3.0 | This function is now available on Windows platforms. |
参见
- long2ip() - 将长整型转化为字符串形式带点的互联网标准格式地址（IPV4）
- ip2long() - 将 IPV4 的字符串互联网协议转换成长整型数字
- inet_pton() - Converts a human readable IP address to its packed in_addr representation
