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gethostbyaddr

Get the Internet host name corresponding to a given IP address (PHP 4, PHP 5)
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 1595. A simple gethostbyaddr() example

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

echo
$hostname;
?>