Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 18 | class CountryMappingController extends Controller |
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| 19 | { |
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| 20 | /** |
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| 21 | * @Method("GET") |
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| 22 | * @Route("", name="loevgaard_pakkelabels_country_mapping_index") |
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| 23 | * |
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| 24 | * @param Request $request |
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| 25 | * |
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| 26 | * @return Response |
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| 27 | */ |
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| 28 | public function indexAction(Request $request) |
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| 40 | |||
| 41 | /** |
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| 42 | * @Method("GET") |
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| 43 | * @Route("/{id}/show", name="loevgaard_pakkelabels_country_mapping_show") |
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| 44 | * |
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| 45 | * @param CountryMapping $countryMapping |
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| 46 | * |
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| 47 | * @return Response |
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| 48 | */ |
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| 49 | public function showAction(CountryMapping $countryMapping) |
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| 55 | |||
| 56 | /** |
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| 57 | * @Method({"GET", "POST"}) |
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| 58 | * @Route("/new", name="loevgaard_pakkelabels_country_mapping_new") |
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| 59 | * |
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| 60 | * @param Request $request |
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| 61 | * |
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| 62 | * @return Response |
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| 63 | */ |
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| 64 | View Code Duplication | public function newAction(Request $request) |
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| 75 | |||
| 76 | /** |
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| 77 | * @Method({"GET", "POST"}) |
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| 78 | * @Route("/{id}/edit", name="loevgaard_pakkelabels_country_mapping_edit") |
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| 79 | * |
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| 80 | * @param CountryMapping $countryMapping |
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| 81 | * @param Request $request |
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| 82 | * |
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| 83 | * @return Response |
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| 84 | */ |
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| 85 | View Code Duplication | public function editAction(CountryMapping $countryMapping, Request $request) |
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| 95 | |||
| 96 | /** |
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| 97 | * @param Form $form |
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| 98 | * @param CountryMapping $countryMapping |
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| 99 | * @param Request $request |
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| 100 | * @return null|RedirectResponse |
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| 101 | */ |
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| 102 | private function handleUpdate(Form $form, CountryMapping $countryMapping, Request $request) |
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| 129 | |||
| 130 | /** |
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| 131 | * @param CountryMapping $countryMapping |
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| 132 | * @param Form $form |
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| 133 | * @return Response |
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| 134 | */ |
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| 135 | private function updateResponse(CountryMapping $countryMapping, Form $form) : Response |
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| 142 | |||
| 143 | /** |
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| 144 | * @param CountryMapping $countryMapping |
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| 145 | * @return Form |
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| 146 | */ |
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| 147 | private function getForm(CountryMapping $countryMapping) : Form |
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| 151 | |||
| 152 | } |
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| 153 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.