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 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);
echo $expanded;
$packed = str_repeat(chr(0), 15) . chr(1);
$expanded = inet_ntop($packed);
echo $expanded;
?>
更新日志
版本 | 说明 |
---|---|
5.3.0 | This function is now available on Windows platforms. |
参见
- long2ip() - Converts an (IPv4) Internet network address into a string in Internet standard dotted format
- ip2long() - Converts a string containing an (IPv4) Internet Protocol dotted address into a proper address
- inet_pton() - Converts a human readable IP address to its packed in_addr representation