inet_ntop Converts a packed internet address to a human readable representation php函数


inet_ntop

(PHP 5 >= 5.1.0)

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 (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



相关阅读:
inet_pton Converts a human readable IP address to its packed in_addr representation
ini_alter 别名 ini_set
ini_get Gets the value of a configuration option
ini_get_all Gets all configuration options
ini_restore Restores the value of a configuration option
ini_set Sets the value of a configuration option
interface_exists 检查接口是否已被定义
intval 获取变量的整数值
in_array 检查数组中是否存在某个值
ip2long Converts a string containing an (IPv4) Internet Protocol dotted address into a proper address
iptcembed 将二进制 IPTC 数据嵌入到一幅 JPEG 图像中
iptcparse 将二进制 IPTC http://www.iptc.org/ 块解析为单个标记
isset 检测变量是否设置
is_a 如果对象属于该类或该类是此对象的父类则返回 TRUE
快速导航

Copyright © 2016 phpStudy |