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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25 | class ExperimentsController extends Controller |
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26 | { |
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27 | public function listAction(Request $request) |
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28 | { |
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29 | return $this->render('ONGRSettingsBundle:Experiments:list.html.twig'); |
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30 | } |
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31 | |||
32 | /** |
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33 | * Returns a json list of experiments |
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34 | * |
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35 | * @return JsonResponse |
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36 | */ |
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37 | public function getFullExperimentsAction() |
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56 | |||
57 | /** |
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58 | * Returns a json list of targets for experiment |
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59 | * |
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60 | * @param Request $request |
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61 | * |
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62 | * @return JsonResponse |
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63 | */ |
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64 | public function getTargetsAction(Request $request) |
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93 | |||
94 | /** |
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95 | * Returns a json list of targets for experiment |
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96 | * |
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97 | * @param Request $request |
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98 | * |
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99 | * @return JsonResponse |
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100 | */ |
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101 | public function getClientsByTypesAction(Request $request) |
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113 | |||
114 | /** |
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115 | * @param Request $request |
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116 | * |
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117 | * @return JsonResponse |
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118 | */ |
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119 | View Code Duplication | public function toggleAction(Request $request) |
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130 | |||
131 | /** |
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132 | * @param array $types |
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133 | * @return array |
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134 | */ |
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135 | private function getClientsByTypes(array $types) |
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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.