Try Rector Online | Rector - Automated Way to Instantly Upgrade and Refactor any PHP code

Run Rector on your code to see what it can do for you:

// no change

PHP snippet to change

<?php

class TestController extends AbstractController
{
	/**
     * This is an example comment
     *
	 * @Route("/test", name="test_route")
	 */
    public function test(): Response
	{

		return $this->render("test.html.twig", [
		]);
	}
}

Config rector.php

<?php

use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector;
use Rector\ValueObject\PhpVersion;

return RectorConfig::configure()
    ->withAttributesSets(
		symfonyRoute: true,
	);

Rector version: e46bfd - released at 2026-07-23 23:58