/**
* @singleton method used to instantiate class object
* @access public
* @return EEM_Gateways
*/
public static function instance($activation = false)
{
// check if class object is instantiated
if (self::$_instance === NULL or !is_object(self::$_instance) or !self::$_instance instanceof EEM_Gateways) {
self::$_instance = new self($activation);
}
return self::$_instance;
}
