/**
* Return the single allowed instance of this class. The instance will be created if necessary.
*
* @returns object.
*/
public static function get_instance()
{
if (!isset(self::$_instance)) {
$c = __CLASS__;
self::$_instance = new $c();
}
return self::$_instance;
}
public function __get($key)
{
switch ($key) {
case 'config':
return cms_config::get_instance();
break;
case 'variables':
return cms_variables::get_instance();
break;
}
}