fsockopen
gethostbyname
Network Функции
PHP Manual

# gethostbyaddr

(PHP 4, PHP 5)

gethostbyaddr — Get the Internet host name corresponding to a given IP address

### Описание

string gethostbyaddr ( string `$ip_address` )

Returns the host name of the Internet host specified by `ip_address` .

### Список параметров

`ip_address`

  The host IP address.

### Возвращаемые значения

Returns the host name or the unmodified `ip_address` on failure.

### Примеры

Пример #1 A simple gethostbyaddr() example

`<?php
$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);
echo $hostname;
?>`

### Смотрите также

- gethostbyname() - Get the IP address corresponding to a given Internet host name
- gethostbynamel() - Get a list of IP addresses corresponding to a given Internet host name

fsockopen
gethostbyname
Network Функции
PHP Manual