1 | <?php |
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16 | class UserController extends Controller |
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17 | { |
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18 | /** |
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19 | * @Route("/users", name="users_list") |
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20 | * @Template("@App/users.html.twig") |
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21 | * |
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22 | * @param Request $request |
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23 | * @return array |
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24 | */ |
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25 | public function usersListAction(Request $request) |
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43 | |||
44 | /** |
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45 | * @Route("/user/activate/{id}", name="activate_user") |
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46 | * @Template("@App/add.html.twig") |
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47 | * |
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48 | * @Method("PUT") |
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49 | * @param User $user |
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50 | * @return RedirectResponse |
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51 | */ |
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52 | public function userActivateAction(User $user) |
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60 | |||
61 | /** |
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62 | * Creates a form to activate|deactivate User profile. |
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63 | * @param User $user |
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64 | * @return \Symfony\Component\Form\Form The form |
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65 | */ |
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66 | private function createActivateUserForm(User $user) |
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74 | |||
75 | /** |
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76 | * @Route("/user/add", name="add_user") |
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77 | * @Template("@App/add.html.twig") |
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78 | * |
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79 | * @param Request $request |
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80 | * @return array|RedirectResponse |
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81 | */ |
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82 | public function userAddAction(Request $request) |
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99 | |||
100 | /** |
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101 | * @Route("/user/edit/{id}", name="edit_user") |
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102 | * @Template("@App/add.html.twig") |
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103 | * |
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104 | * @param Request $request |
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105 | * @param User $user |
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106 | * @return array|RedirectResponse |
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107 | */ |
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108 | public function userEditAction(Request $request, User $user) |
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125 | } |
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126 |
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: