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

2018-01-19 14:51:01
linefo
490
最后编辑:linefo 于 2018-01-19 14:53:24

inet_ntop

(PHP 5 >= 5.1.0, PHP 7)

inet_ntopConverts 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);

/* 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() - Converts an long integer address into a string in (IPv4) Internet standard dotted format
  • ip2long() - 将一个IPV4的字符串互联网协议转换成数字格式
  • inet_pton() - Converts a human readable IP address to its packed in_addr representation