Network Functions

gethostbyaddr

Get the Internet host name corresponding to a given IP address

Description

stringfalse gethostbyaddr(string $ip)

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

Parameters

ip: The host IP address.

Return Values

Returns the host name on success, the unmodified ip 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