Default Symfony controler Cheatsheet
namespace Acme\HelloBundle\Controller;
use Symfony\Component\HttpFoundation\Response;
class HelloController
{
public function indexAction($name)
{
return new Response('<html><body>Hello '.$name.'!</body></html>');
}
}
//Param for route
//app/config/routing.yml
/* hello:
pattern: /hello/{first_name}/{last_name}
defaults: { _controller: AcmeHelloBundle:Hello:index, color: green }*/
// in the controler
public function indexAction($first_name, $last_name, $color)
{
// ...
}
//The request
use Symfony\Component\HttpFoundation\Request;
public function updateAction(Request $request)
{
$form = $this->createForm(...);
$form->bindRequest($request);
// ...
}
//Controler inheritance
namespace Acme\HelloBundle\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Response;
class HelloController extends Controller
{
public function indexAction($name)
{
return new Response('<html><body>Hello '.$name.'!</body></html>');
}
}
//Some courrent action
public function indexAction()
{
//default sttus code, 302 (temp redirect)
return $this->redirect($this->generateUrl('homepage'));
return $this->redirect($this->generateUrl('homepage'), 301);
//forward
$response = $this->forward('AcmeHelloBundle:Hello:fancy', array(
'name' => $name,
'color' => 'green'
));
//same as
$httpKernel = $this->container->get('http_kernel');
$response = $httpKernel->forward('AcmeHelloBundle:Hello:fancy', array(
'name' => $name,
'color' => 'green',
));
//template
$content = $this->renderView('AcmeHelloBundle:Hello:index.html.twig', array('name' => $name));
return new Response($content);
//same as
return $this->render('AcmeHelloBundle:Hello:index.html.twig', array('name' => $name));
//same as
$templating = $this->get('templating');
$content = $templating->render('AcmeHelloBundle:Hello:index.html.twig', array('name' => $name));
//important service
$request = $this->getRequest();
$templating = $this->get('templating');
$router = $this->get('router');
$mailer = $this->get('mailer');
//throw exception
$product = // retrieve the object from database
if (!$product) {
throw $this->createNotFoundException('The product does not exist');
}
return $this->render(...);
//session
$session = $this->getRequest()->getSession();
$session->set('foo', 'bar');
$foo = $session->get('foo');
$session->setLocale('fr');
//session, flash message
$this->get('session')->setFlash('notice', 'Your changes were saved!');
/* In the template
{% if app.session.hasFlash('notice') %}
<div class="flash-notice">
{{ app.session.flash('notice') }}
</div>
{% endif %}
*/
//the response
$response = new Response('Hello '.$name, 200);
$response = new Response(json_encode(array('name' => $name)));
$response->headers->set('Content-Type', 'application/json');
//the request
$request = $this->getRequest();
$request->isXmlHttpRequest();
$request->getPreferredLanguage(array('en', 'fr'));
$request->query->get('page'); // get a $_GET parameter
$request->request->get('page'); // get a $_POST parameter
//routing
//relative url
$url = $this->get('router')->generate('blog_show', array('slug' => 'my-blog-post'));
//absolute
$router->generate('blog_show', array('slug' => 'my-blog-post'), true);
//query string
// /blog/2?category=Symfony
$router->generate('blog', array('page' => 2, 'category' => 'Symfony'));
}
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