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gethostbyaddr

(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.

Exempel

Example#1 A simple gethostbyaddr() example

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

echo 
$hostname;
?>