Creating the first controller in Symfony

Question

I have just started to learn Symfony. The fact is that I do things and they work but I don't understand what I am doing and that must be the wrong way starting to learn something.

Here is a simple controller:

<?php

namespace AppBundle\Controller;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;

class HelloController extends Controller
{
    /**
     * @Route("/hello")
     */
    public function helloAction() {
        return $this->render('', array());
    }
}

So in this case when I type

/**
 * @Route("/hello")
 */

my editor automatically adds this line of code:

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;

What is that doing?

I have learned that namespaces must match the directory path but there is no way I could find that path in my Symfony project. So is it outside of my project? If so, this will be good to know in case I want to upload my project on the web server.

I would appreciate if someone could please explain this "mystery".

The Route class is inside the vendor folder, where the deps of your project are. — Federkun
– Federkun, Commented Dec 17, 2016 at 13:29
You just defined a parameter @Route to your helloAction(). To work properly, it need the class Route located in Sensio\Bundle\FrameworkExtraBundle\Configuration. This is why it was added. — Preciel
– Preciel, Commented Dec 17, 2016 at 13:54

Francesco Borzi · Accepted Answer · 2016-12-17 20:44:19Z

1

Your IDE just added the dependency to Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;, which is required to use the @Route annotation.

It is placed under the vendor/ directory, which of course you will need to upload along with your sources.

answered Dec 17, 2016 at 20:44

Francesco Borzi

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