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Posted By

athome on 10/04/11


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php symfony


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Symfony Controler Cheatsheet

 / Published in: PHP
 
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  1. //default controler template
  2. namespace Acme\HelloBundle\Controller;
  3. use Symfony\Component\HttpFoundation\Response;
  4.  
  5. class HelloController
  6. {
  7.     public function indexAction($name)
  8.     {
  9.       return new Response('<html><body>Hello '.$name.'!</body></html>');
  10.     }
  11. }
  12.  
  13.  
  14. //Param for route
  15. //app/config/routing.yml
  16. /* hello:
  17.     pattern:      /hello/{first_name}/{last_name}
  18.     defaults:     { _controller: AcmeHelloBundle:Hello:index, color: green }*/
  19.  
  20. // in the controler
  21. public function indexAction($first_name, $last_name, $color)
  22. {
  23.     // ...
  24. }
  25.  
  26.  
  27. //The request
  28. use Symfony\Component\HttpFoundation\Request;
  29.  
  30. public function updateAction(Request $request)
  31. {
  32.     $form = $this->createForm(...);
  33.  
  34.     $form->bindRequest($request);
  35.     // ...
  36. }
  37.  
  38.  
  39. //Controler inheritance
  40. namespace Acme\HelloBundle\Controller;
  41. use Symfony\Bundle\FrameworkBundle\Controller\Controller;
  42. use Symfony\Component\HttpFoundation\Response;
  43.  
  44. class HelloController extends Controller
  45. {
  46.     public function indexAction($name)
  47.     {
  48.       return new Response('<html><body>Hello '.$name.'!</body></html>');
  49.     }
  50. }
  51.  
  52.  
  53. //Some courrent action
  54. public function indexAction()
  55. {
  56.     //default sttus code, 302 (temp redirect)
  57.     return $this->redirect($this->generateUrl('homepage'));
  58.  
  59.     return $this->redirect($this->generateUrl('homepage'), 301);
  60.  
  61.     //forward
  62.     $response = $this->forward('AcmeHelloBundle:Hello:fancy', array(
  63.         'name'  => $name,
  64.         'color' => 'green'
  65.     ));
  66.  
  67.     //same as
  68.     $httpKernel = $this->container->get('http_kernel');
  69.     $response = $httpKernel->forward('AcmeHelloBundle:Hello:fancy', array(
  70.         'name'  => $name,
  71.         'color' => 'green',
  72.     ));
  73.  
  74.     //template
  75.     $content = $this->renderView('AcmeHelloBundle:Hello:index.html.twig', array('name' => $name));
  76.     return new Response($content);
  77.  
  78.     //same as
  79.     return $this->render('AcmeHelloBundle:Hello:index.html.twig', array('name' => $name));
  80.  
  81.     //same as
  82.     $templating = $this->get('templating');
  83.     $content = $templating->render('AcmeHelloBundle:Hello:index.html.twig', array('name' => $name));
  84.  
  85.     //important service
  86.     $request = $this->getRequest();
  87.     $templating = $this->get('templating');
  88.     $router = $this->get('router');
  89.     $mailer = $this->get('mailer');
  90.  
  91.     //throw exception
  92.     $product = // retrieve the object from database
  93.     if (!$product) {
  94.         throw $this->createNotFoundException('The product does not exist');
  95.     }
  96.  
  97.     return $this->render(...);
  98.  
  99.     //session
  100.     $session = $this->getRequest()->getSession();
  101.     $session->set('foo', 'bar');
  102.     $foo = $session->get('foo');
  103.     $session->setLocale('fr');
  104.     //session, flash message
  105.     $this->get('session')->setFlash('notice', 'Your changes were saved!');
  106.  
  107. /* In the template
  108. {% if app.session.hasFlash('notice') %}
  109.     <div class="flash-notice">
  110.         {{ app.session.flash('notice') }}
  111.     </div>
  112. {% endif %}
  113. */
  114.  
  115.     //the response
  116.     $response = new Response('Hello '.$name, 200);
  117.  
  118.     $response = new Response(json_encode(array('name' => $name)));
  119.     $response->headers->set('Content-Type', 'application/json');
  120.  
  121.  
  122.     //the request
  123.     $request = $this->getRequest();
  124.     $request->isXmlHttpRequest();
  125.     $request->getPreferredLanguage(array('en', 'fr'));
  126.     $request->query->get('page'); // get a $_GET parameter
  127.     $request->request->get('page'); // get a $_POST parameter
  128.  
  129.     //routing
  130.     //relative url
  131.     $url = $this->get('router')->generate('blog_show', array('slug' => 'my-blog-post'));
  132.     //absolute
  133.     $router->generate('blog_show', array('slug' => 'my-blog-post'), true);
  134.     //query string
  135.     // /blog/2?category=Symfony
  136.     $router->generate('blog', array('page' => 2, 'category' => 'Symfony'));
  137.  
  138.  
  139. }

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