Network Functions

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 on success, the unmodified ip_address on failure, or FALSE on malformed input.

Examples

Example #1 A simple gethostbyaddr example


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

echo $hostname;
?>

See Also

gethostbyname
gethostbynamel