PHP Manual: gethostbyaddr


Enter the keyword for better results

gethostbyaddr

(PHP 3, PHP 4, PHP 5)

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

Description

string gethostbyaddr ( string ip_address )

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

Parameters

ip_address

The host IP address.

Return Values

Returns the host name or the unmodified ip_address on failure.

Examples

Example 1. A simple gethostbyaddr() example

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

echo
$hostname;
?>