适配器模式之接口适配

action2', '
';
	}
}

class Adapter2 extends AbstractAdapter
{
	public function action3() {
		echo 'call action3', '
';
	}
}

// test code
$a1 = new Adapter();
$a1->action2();

$a2 = new Adapter2();
$a2->action3();