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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| 21 | class YamlStorage implements Storage |
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| 22 | { |
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| 23 | /** |
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| 24 | * The data collection. |
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| 25 | * |
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| 26 | * @var array |
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| 27 | */ |
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| 28 | private $data; |
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| 29 | |||
| 30 | /** |
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| 31 | * Constructor. |
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| 32 | * |
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| 33 | * @param string|null $formType The form type |
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| 34 | * @param string|null $yamlFile The dir path of YAML file |
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| 35 | */ |
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| 36 | public function __construct($formType = null, $yamlFile = null) |
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| 56 | |||
| 57 | /** |
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| 58 | * {@inheritdoc} |
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| 59 | */ |
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| 60 | View Code Duplication | public function findAll($limit, $offset) |
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| 73 | |||
| 74 | /** |
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| 75 | * {@inheritdoc} |
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| 76 | */ |
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| 77 | View Code Duplication | public function query(array $criteria, $limit, $offset) |
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| 95 | |||
| 96 | /** |
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| 97 | * {@inheritdoc} |
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| 98 | */ |
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| 99 | public function properties() |
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| 103 | |||
| 104 | /** |
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| 105 | * {@inheritdoc} |
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| 106 | */ |
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| 107 | public function size() |
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| 111 | |||
| 112 | /** |
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| 113 | * Paginates the given collection of data. |
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| 114 | * |
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| 115 | * @param array $data The collection data |
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| 116 | * @param int $limit Logs per page |
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| 117 | * @param int $offset The number of the page |
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| 118 | * |
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| 119 | * @return array |
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| 120 | */ |
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| 121 | private function paginate($data, $limit, $offset) |
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| 125 | |||
| 126 | /** |
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| 127 | * Compares the given two items. |
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| 128 | * |
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| 129 | * @param mixed $item1 The first item |
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| 130 | * @param mixed $item2 The second item |
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| 131 | * |
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| 132 | * @return int |
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| 133 | */ |
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| 134 | View Code Duplication | private function sort($item1, $item2) |
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| 152 | } |
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| 153 |