What is MVC Model View Controller and Routes

Laravel is an MVC framework. MVC stands for Model-View-Controller.

A model is a representation of your data. The Models represent the data and business logic for your application. It’s where you define the structure of your data and how it interacts with the rest of your application. For example, in our application, we will record employee data. Therefore, we are going to have a model of an employee.

MVC, or Model-View-Controller, is a software design pattern that is widely used in web application development to separate an application into three interconnected components. This pattern is ideal for creating scalable, maintainable, and efficient web applications. Let’s break down the three main components:

1. Model: The “Model” represents the data of the application and the business logic. It directly manages the data and responds to the requests for information, usually interacting with databases. It is responsible for updating the view whenever data changes.
2. View: The “View” is the user interface (UI) component. It represents the visual output of the application, displaying the data provided by the Model. Essentially, the View presents the Model’s data in a format that users can interact with.
3. Controller: The “Controller” acts as an intermediary between the Model and the View. It takes user input from the View, processes it (if necessary), and updates the Model. The Controller ensures that changes in the Model are reflected in the View.

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Advantages of MVC:

• Separation of Concerns: MVC helps in separating business logic, user interface, and user input handling. This results in cleaner, more organized code.
• Reusability and Flexibility: With clear separation, developers can reuse components across different parts of the application or even across projects.
• Scalability: MVC makes it easier to scale the application, as the application logic is separate from the user interface. Changes in one component, like the View, don’t affect the others.
• Maintainability: Due to its separation of concerns, it’s easier to maintain and update specific parts of an application without affecting others. Bug fixes and new features can be implemented more efficiently.

Each employee consists of:

• Name of the employee
• Department of the employee
• The joining date of the employee
• Salary of the employee

We’ll have a model representing and storing this data in the database.

A view is the presentation layer. For example, we’ll need a form so that use can enter his data to create a new registration. This form code is a view.In Laravel, we use a special templating language called Blade.Blade files are names in this format: “[name].blade.php”

resources-views-[name].blade.php

Controller: The controller acts as a bridge between the Model and View. It processes user inputs, updates the model, and generates the appropriate view. Controllers are how you control things. Hence the name. For example, you can show the list of registered users.The controller will use the purchase model to fetch a list of purchases. Then it will pass this data to the view, so it can show it to the user.

app-http-controllers-nameOfController

Routes: Routes define how URLs map to your application’s controllers and actions. In other words, they define which page the user will see when they access the specific URL.

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