删除laravel中不同文件夹的图像

I've saved images of posts in different sub-folders inside public/images like featured_image (public/images/featured_image), banner(public/images/banner). I want to delete images(featured_image and banner) related to post when banner is deleted.

This is my setup in filesystem.php

'local' => [
  'driver' => 'local',
  'root' => public_path('images/'),
],

I'm trying this to delete posts and images related to this:

public function destroy($id)
{
    //
    $tour = Tour::find($id);
    $tour->country()->detach();
    Storage::delete('featured_image/$tour->featured_image');
    Storage::delete('banner/$tour->banner');
    $tour->delete();

    Session::flash('success', 'The tour is sucessfully deleted.');
    return redirect()->route('tours.index');
}

The post gets deleted successfully but the images are not deleted from the folder. Please suggest the possible solution.

It should be

Storage::delete('images/featured_image/' . $tour->featured_image);
Storage::delete('images/banner/' . $tour->banner);

If that doesn't work... you can also do.

$images = [
  'featured_image' => public_path('images/featured_image/' . $tour->featured_image),
  'banner_image' => public_path('images/banner/' . $tour->banner),
];

foreach($images as $image) {
  if(file_exists($image)) {
    unlink($image);
  }
}

I got this working by using File:delete(); method.

public function destroy($id)
{

    $tour = Tour::find($id);
    $tour->country()->detach();
    File::delete(public_path('/images/featured_image/' . $tour->featured_image));
    File::delete(public_path('/images/banner/' . $tour->banner));
    $tour->delete();

    Session::flash('success', 'The tour is sucessfully deleted.');
    return redirect()->route('tours.index');
}