How to get the full url for an asset in Controller?

Question

I need to generate some JSON content in controller and I need to get the full URL to an uploaded image situated here : /web/uploads/myimage.jpg.

How can

Answer 1

As of Symfony 2.1 you can use:

$request->getSchemeAndHttpHost().'/uploads/myimage.jpg';

Note: This solution has the advantage to work in both DEV and PROD environments.