父控制器上的调用方法?

I extend a controller that has a method:

show($id){
    //do something
}

In my extended controller I override the show method:

show($id){
    //do something else
}

How can I call the show method on the parent controller?

show($id){
    if($id == 1) //go to show method on parent controller
} 

This should work:

Class BaseController {

    protected function show($id){
        return "Test Succeeded";
    }

}

Class MyController extends BaseController {

    public function show($id){
       if($id == 1){
           parent::show($id);
       }
    }

}

echo (new MyController())->show(1); //Returns Test Succeeded