Network
PHP Manual

gethostbyname

(PHP 4, PHP 5)

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

说明

string gethostbyname ( string $hostname )

Returns the IP address of the Internet host specified by hostname .

参数

hostname

The host name.

返回值

Returns the IP address or a string containing the unmodified hostname on failure.

范例

Example#1 A simple gethostbyname() example

<?php
$ip 
gethostbyname('www.example.com');

echo 
$ip;
?>

参见


Network
PHP Manual