Php/docs/function.inet-ntop
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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 $in_addr
) : string|false
This function converts a 32bit IPv4, or 128bit IPv6 address (if PHP was built with IPv6 support enabled) into an address family appropriate string representation.
参数
in_addr- A 32bit IPv4, or 128bit IPv6 address.
返回值
Returns a string representation of the address 或者在失败时返回 false.
范例
Example #1 inet_ntop() Example
<?php$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;?>
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
