<?php
/**
 * Functions related to WordPress system.
 *
 * @version		$Rev: 408 $
 * @author		Jordi Canals
 * @package		Alkivia
 * @subpackage	Framework
 * @link		http://alkivia.org
 * @license		http://www.gnu.org/licenses/gpl.html GNU General Public License v3

	Copyright (C) 2009-2010 Jordi Canals <alkivia@jcanals.cat>

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
 	the Free Software Foundation, either version 3 of the License, or
 	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 	GNU General Public License for more details.

 	You should have received a copy of the GNU General Public License
 	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Checks is we are running on WordPress MU
 * @return boolean
 */
function ak_is_mu()
{
    return ( defined('VHOST') ) ? true : false;
}