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# 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; ?>`

See also gethostbyaddr(), and gethostbynamel().

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gethostbyaddr | 上一级 | gethostbynamel