add(new Banner(self::$_prefix)); $wrapper->add(new Home(self::$_prefix)); self::add($wrapper); } static public function html() { $ret = ""; for ($i = 0; $i < self::$_idx; $i++) { $ret .= self::$_elements[$i]->html(); } return $ret; } static public function show() { echo self::html(); } } Index::initialize(); Index::show(); ?>