composer require ekreative/query-parameter-bundle

app/AppKernel.php

...
    public function registerBundles()
    {
        $bundles = array(
            ...
            new Ekreative\QueryParameterBundle\EkreativeQueryParameterBundle(),
            ...
        );
        ...
        
        return $bundles;
    }
...

src/AppBundle/Controller/DefaultController.php

...
/**
 * @Route("/")
 * @QueryParameter("test", type="boolean", options={"required" = false})
 */
public function indexAction($test)
...

src/AppBundle/Controller/DefaultController.php

...
/**
 * @Route("/")
 * @QueryModel("testFilter", class="AppBundle\Filter\Filter", options={"required" = false, types={"test" = "boolean"}})
 */
public function indexAction(Filter $testFilter)
...