inet_ntop
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
inet_ntop — Converts a packed internet address to a human readable representation
說明
inet_ntop(string
$ip
): string|falseThis function converts a 32bit IPv4, or 128bit IPv6 address (if PHP was built with IPv6 support enabled) into an address family appropriate string representation.
參數
-
ip
-
A 32bit IPv4, or 128bit IPv6 address.
返回值
Returns a string representation of the address 或者在失敗時返回 false
.
範例
示例 #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;
?>
參見
- long2ip() - 將長整型轉化為字串形式帶點的網際網路標準格式地址(IPV4)
- ip2long() - 將 IPV4 的字串網際網路協議轉換成長整型數字
- inet_pton() - Converts a human readable IP address to its packed in_addr representation