gethostbyname

(PHP 3, PHP 4 , PHP 5)

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

Description

string gethostbyname ( string hostname)

Returns the IP address of the Internet host specified by hostname or a string containing the unmodified hostname on failure.

例子 1. A simple gethostbyname() example
<?php $ip = gethostbyname('www.example.com'); echo $ip; ?>