<?php
/* -----------------------------------------------------------------------------------------
   $Id: xtc_get_parent_categories.inc.php 1009 2005-07-11 16:19:29Z mz $   

   XT-Commerce - community made shopping
   http://www.xt-commerce.com

   Copyright (c) 2003 XT-Commerce
   -----------------------------------------------------------------------------------------
   based on: 
   (c) 2000-2001 The Exchange Project  (earlier name of osCommerce)
   (c) 2002-2003 osCommerce(general.php,v 1.225 2003/05/29); www.oscommerce.com 
   (c) 2003	 nextcommerce (xtc_get_parent_categories.inc.php,v 1.3 2003/08/13); www.nextcommerce.org

   Released under the GNU General Public License 
   ---------------------------------------------------------------------------------------*/

// Recursively go through the categories and retreive all parent categories IDs
// TABLES: categories
function xtc_get_parent_categories(&$categories, $categories_id)
{
	$parent_categories_query = "select parent_id,categories_status from " . TABLE_CATEGORIES
	                           . " where categories_id = '" . (int)$categories_id . "'";
	$parent_categories_query = xtDBquery($parent_categories_query);
	while($parent_categories = xtc_db_fetch_array($parent_categories_query, true))
	{
		if($parent_categories['parent_id'] == 0)
		{
			return true;
		}
		
		$categories[sizeof($categories)] = $parent_categories['parent_id'];
		
		if($parent_categories['parent_id'] != $categories_id)
		{
			xtc_get_parent_categories($categories, $parent_categories['parent_id']);
		}
	}
}