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 namespace Modules\Menu\Composers; |
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10 | class NavigationViewComposer |
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11 | { |
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12 | /** |
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13 | * @var MenuRepository |
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14 | */ |
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15 | private $menu; |
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16 | /** |
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17 | * @var MenuItemRepository |
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18 | */ |
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19 | private $menuItem; |
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20 | |||
21 | public function __construct(MenuRepository $menu, MenuItemRepository $menuItem) |
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26 | |||
27 | public function compose() |
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38 | |||
39 | /** |
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40 | * Add a menu item to the menu |
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41 | * @param MenuitemEntity $item |
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42 | * @param Builder $menu |
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43 | */ |
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44 | View Code Duplication | public function addItemToMenu(MenuitemEntity $item, Builder $menu) |
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57 | |||
58 | /** |
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59 | * Add children to menu under the give name |
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60 | * |
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61 | * @param string $name |
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62 | * @param object $children |
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63 | * @param Builder|MenuItem $menu |
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64 | */ |
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65 | private function addChildrenToMenu($name, $children, $menu) |
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73 | |||
74 | /** |
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75 | * Add children to the given menu recursively |
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76 | * |
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77 | * @param MenuitemEntity $child |
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78 | * @param MenuItem $sub |
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79 | */ |
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80 | private function addSubItemToMenu(MenuitemEntity $child, MenuItem $sub) |
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88 | |||
89 | /** |
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90 | * Check if the given menu item has children |
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91 | * |
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92 | * @param object $item |
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93 | * @return bool |
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94 | */ |
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95 | private function hasChildren($item) |
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99 | } |
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100 |
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.