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ControllerResolverInterface.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\HttpKernel\Controller;
13
14 use Symfony\Component\HttpFoundation\Request;
15
16 /**
17 * A ControllerResolverInterface implementation knows how to determine the
18 * controller to execute based on a Request object.
19 *
20 * It can also determine the arguments to pass to the Controller.
21 *
22 * A Controller can be any valid PHP callable.
23 *
24 * @author Fabien Potencier <fabien@symfony.com>
25 */
26 interface ControllerResolverInterface
27 {
28 /**
29 * Returns the Controller instance associated with a Request.
30 *
31 * As several resolvers can exist for a single application, a resolver must
32 * return false when it is not able to determine the controller.
33 *
34 * The resolver must only throw an exception when it should be able to load
35 * controller but cannot because of some errors made by the developer.
36 *
37 * @param Request $request A Request instance
38 *
39 * @return callable|false A PHP callable representing the Controller,
40 * or false if this resolver is not able to determine the controller
41 *
42 * @throws \LogicException If the controller can't be found
43 */
44 public function getController(Request $request);
45
46 /**
47 * Returns the arguments to pass to the controller.
48 *
49 * @param Request $request A Request instance
50 * @param callable $controller A PHP callable
51 *
52 * @return array An array of arguments to pass to the controller
53 *
54 * @throws \RuntimeException When value for argument given is not provided
55 */
56 public function getArguments(Request $request, $controller);
57 }
58