Laravel MVC Architecture Simplified

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Laravel MVC architecture

🧩 Understanding MVC in Laravel

MVC is a design pattern that separates an application into three interconnected components:

• Model: Manages the data and business logic.

• View: Handles the presentation layer, displaying data to the user.

• Controller: Acts as an intermediary between Model and View, processing user input and updating the Model.

In Laravel, MVC is implemented as follows:

• Model: Represents database records and business logic. Laravel uses Eloquent ORM for database interactions.

• View: Typically Blade templates that render HTML and display data.

• Controller: Contains methods that handle user requests, interact with models, and return views.

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🔄 MVC Workflow in Laravel

1. Routing: A user makes a request (e.g., visiting a URL).

2. Controller: The router directs the request to a specific controller method.

3. Model: The controller interacts with the model to retrieve or manipulate data.

4. View: The controller passes data to a view, which is rendered and returned to the user.

   

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🛠️ Example: Displaying a Blog Post

Consider a simple example where a user wants to view a blog post.

1. Route: Defines the URL pattern and maps it to a controller method.

   Route::get('/post/{id}', [PostController::class, 'show']);

2. Controller: Handles the request and fetches the data.

   class PostController extends Controller
   {
       public function show($id)
       {
           $post = Post::find($id);
           return view('post.show', compact('post'));
       }
   }

3. Model: Represents the data structure.

   class Post extends Model
   {
       protected $fillable = ['title', 'content'];
   }

4. View: Displays the data to the user.

   <!-- resources/views/post/show.blade.php -->
   <h1>{{ $post->title }}</h1>
   <p>{{ $post->content }}</p>

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✅ Benefits of MVC in Laravel

• Separation of Concerns: Each component has a distinct responsibility, making the codebase more organized and maintainable.

• Reusability: Models and views can be reused across different parts of the application.

• Testability: Isolated components are easier to test.

• Scalability: Facilitates scaling the application by allowing independent development of components.

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