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 | View Code Duplication | class Context implements ContextInterface |
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| 19 | { |
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| 20 | |||
| 21 | /** |
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| 22 | * @var string $slug |
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| 23 | */ |
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| 24 | private $slug; |
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| 25 | |||
| 26 | /** |
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| 27 | * @var string $description |
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| 28 | */ |
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| 29 | private $description; |
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| 30 | |||
| 31 | |||
| 32 | /** |
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| 33 | * Context constructor. |
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| 34 | * |
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| 35 | * @param string $slug |
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| 36 | * @param string $description |
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| 37 | */ |
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| 38 | public function __construct($slug, $description) |
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| 43 | |||
| 44 | |||
| 45 | /** |
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| 46 | * @return string |
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| 47 | */ |
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| 48 | public function slug() |
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| 52 | |||
| 53 | |||
| 54 | /** |
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| 55 | * @param string $slug |
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| 56 | */ |
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| 57 | private function setSlug($slug) |
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| 61 | |||
| 62 | |||
| 63 | /** |
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| 64 | * @return string |
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| 65 | */ |
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| 66 | public function description() |
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| 70 | |||
| 71 | |||
| 72 | /** |
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| 73 | * @param string $description |
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| 74 | */ |
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| 75 | private function setDescription($description) |
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| 79 | |||
| 80 | } |
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| 81 | // Location: Context.php |
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| 82 |