# yp_get_default_domain

(PHP 4, PHP 5 <= 5.0.5)

yp_get_default_domain — Fetches the machine's default NIS domain

### Description

string yp_get_default_domain ( void )

Returns the default domain of the node. Can be used as the domain parameter for successive NIS calls.

A NIS domain can be described a group of NIS maps. Every host that needs to look up information binds itself to a certain domain. Refer to the documents mentioned at the beginning for more detailed information.

### Return Values

Returns the default domain of the node or `FALSE`. Can be used as the domain parameter for successive NIS calls.

### Examples

Example#1 Example for the default domain

`<?php
$domain = yp_get_default_domain();
echo "Default NIS domain is: " . $domain;
?>`