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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33 | class SettingsController extends Controller { |
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34 | |||
35 | private $userId; |
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36 | private $appConfig; |
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37 | private $navigationManager; |
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38 | private $util; |
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39 | |||
40 | 7 | public function __construct($appName, IRequest $request, ConfigService $appConfig, INavigationManager $urlGenerator, Util $util, $userId) { |
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47 | |||
48 | /** |
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49 | * Admin: render admin page |
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50 | * FIXME: Move to dedicated class |
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51 | * |
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52 | * @return TemplateResponse |
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53 | */ |
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54 | 1 | View Code Duplication | public function adminIndex() { |
67 | |||
68 | 1 | View Code Duplication | public function personalIndex() { |
81 | |||
82 | /** |
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83 | * Admin: save default order |
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84 | * |
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85 | * @param $order |
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86 | * @return array response |
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87 | */ |
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88 | 2 | public function saveDefaultOrder($order) { |
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94 | |||
95 | /** |
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96 | * Return order for current user |
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97 | * |
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98 | * @NoAdminRequired |
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99 | * @return array response |
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100 | */ |
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101 | 1 | public function getOrder() { |
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106 | |||
107 | /** |
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108 | * Save order for current user |
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109 | * |
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110 | * @NoAdminRequired |
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111 | * @param $order string |
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112 | * @return array response |
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113 | */ |
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114 | 2 | View Code Duplication | public function savePersonal($order) { |
123 | |||
124 | /** |
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125 | * Save hidden for current user |
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126 | * |
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127 | * @NoAdminRequired |
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128 | * @param $hidden string |
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129 | * @return array response |
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130 | */ |
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131 | View Code Duplication | public function savePersonalHidden($hidden) { |
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140 | |||
141 | /** |
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142 | * Admin: save default hidden |
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143 | * |
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144 | * @param $hidden |
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145 | * @return array response |
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146 | */ |
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147 | public function saveDefaultHidden($hidden) { |
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153 | |||
154 | } |
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155 |
Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line.