/**
* Creates and returns an ordered array of categories with catids as keys
* and category name as values
*
* @author Florian Voutzinos (adapted from vm 2)
* @param int $cid virtuemart category id
* @param int $level category level
* @return array with virtuemart_category_id as $key and category_name as $value
*/
public static function categoryListTree($cid = 0, $level = 0)
{
if (empty(self::$categoryTree)) {
$cache =& JFactory::getCache();
$cache->setCaching(1);
$categoryTree = $cache->call(array('VmJcommentsHelperFormField', 'getCategoryTree'), $cid, $level);
// parse the retuned string and form a nice array with categories id
// as key and categories name as value
$cats = explode(':', $categoryTree);
$categories = explode(',', $cats[0]);
$catIds = explode(',', $cats[1]);
$categoryTree = array_combine($catIds, $categories);
array_pop($categoryTree);
self::$categoryTree = $categoryTree;
}
return self::$categoryTree;
}
