PHP SOLID, Repository Pattern ve Clean Architecture

• S — Single Responsibility
  
• O — Open/Closed
  
• L — Liskov Substitution
  
• I — Interface Segregation
  
[*]D — Dependency Inversion

interface PostRepositoryInterface {

    public function find(int $id): ?Post;

    public function all(): Collection;

    public function save(Post $post): void;

}

class EloquentPostRepository implements PostRepositoryInterface {

    public function find(int $id): ?Post { return Post::find($id); }

    public function all(): Collection   { return Post::all(); }

    public function save(Post $post): void { $post->save(); }

}