Blog Soft Gorillas

9 May 2023

27. How Symfony works

Model-View-Controller (MVC) architecture is the foundation of the Symfony web application framework. Incoming requests are handled, data is processed, and the proper replies are then returned. Here is a general explanation of how Symfony functions:

-Incoming URLs are matched by a routing component in Symfony to particular controllers and actions. Routing maps URLs to the proper controller and action and is defined in a routing configuration file.

-After a route is matched, the request is forwarded to the relevant controller. Controllers are in charge of managing the application’s logic and getting the data ready to be given to the view.

-Model: The application’s data and business logic are represented in the model layer. The model classes carry out tasks like storing and retrieving data while interacting with the database.

-View: The view layer is in charge of showing the user the data. Views are rendered by Symfony using the Twig template engine. Twig offers a set of built-in functions and filters that may be used to manipulate and format data, and it allows developers to construct templates using a straightforward syntax.

-Response: After rendering the view, the controller delivers a response object containing the data in HTML, JSON, or any other format.

-Additionally, Symfony has a number of other components that can be used to accomplish tasks such

form handling, security, and caching.

-Symfony also has a Dependency Injection method that makes it possible to handle component dependencies. This makes it simple to switch out different service implementations or test various application components separately.

In addition to offering a built-in web server for use while the application is being developed, Symfony is also compatible with the majority of other web servers on the market.

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