Symfony download pdf file in controller

Carlos Delgado May 24, Share this article. Carlos Delgado Author. Add Your Comment. Become a more social person. You can instead, stream the response:. If you want to directly see the generated PDF in the browser, just set the attachment option to false during the stream:. Interested in programming since he was 14 years old, Carlos is a self-taught programmer and founder and author of most of the articles at Our Code World.

Light Dark. Carlos Delgado August 18, To facilitate this, different response objects are included to address different response types. Some of these are mentioned below. To learn more about the Request and Response and different Response classes , see the HttpFoundation component documentation.

To get the value of any configuration parameter from a controller, use the getParameter helper method:. To return JSON from a controller, use the json helper method. This returns a JsonResponse object that encodes the data automatically:. If the serializer service is enabled in your application, it will be used to serialize the data to JSON.

You can use the file helper to serve a file from inside a controller:. The file helper provides some arguments to configure its behavior:. In Symfony, a controller is usually a class method which is used to accept requests, and return a Response object. When mapped with a URL, a controller becomes accessible and its response can be viewed.

To facilitate the development of controllers, Symfony provides an AbstractController. It can be used to extend the controller class allowing access to some frequently used utilities such as render and redirectToRoute. The AbstractController also provides the createNotFoundException utility which is used to return a page not found response.

In other articles, you'll learn how to use specific services from inside your controller that will help you persist and fetch objects from a database, process form submissions, handle caching and more. Next, learn all about rendering templates with Twig. Home Documentation Controller. Also, they can introduce performance issues unwillingly because your listener persists entities which cause other entities to be changed and persisted. As an alternative, you can use Symfony events, listeners and subscribers.

How to Upload Files Version: current Maintained versions 4. The Overflow Blog. Podcast what if you could invest in your favorite developer? Who owns this outage? Building intelligent escalation chains for modern SRE.

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