/**
* returns a database connection handle
*
* This function must be used by all classes, as we plan to replace
* the database class in later versions!
*
* @access public
* @return object
**/
public function db()
{
if (!self::$db || !is_object(self::$db)) {
if (!CAT_Registry::exists('CAT_PATH', false)) {
CAT_Registry::define('CAT_PATH', dirname(__FILE__) . '/../..');
}
self::$db = CAT_Helper_DB::getInstance();
}
return self::$db;
}
