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 FilterContainer extends ParameterBag |
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| 26 | { |
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| 27 | /** |
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| 28 | * @var Cache |
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| 29 | */ |
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| 30 | private $cache; |
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| 31 | |||
| 32 | /** |
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| 33 | * @var int |
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| 34 | */ |
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| 35 | private $lifeTime; |
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| 36 | |||
| 37 | /** |
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| 38 | * @var array |
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| 39 | */ |
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| 40 | private $exclude = []; |
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| 41 | |||
| 42 | /** |
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| 43 | * {@inheritdoc} |
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| 44 | */ |
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| 45 | public function add(array $parameters = []) |
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| 51 | |||
| 52 | /** |
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| 53 | * {@inheritdoc} |
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| 54 | */ |
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| 55 | public function set($key, $value) |
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| 61 | |||
| 62 | /** |
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| 63 | * Sets array of filter names not to be cached |
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| 64 | * |
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| 65 | * @param array $exclude |
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| 66 | */ |
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| 67 | public function setExclude(array $exclude) |
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| 71 | |||
| 72 | /** |
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| 73 | * Filters accepted. |
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| 74 | * |
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| 75 | * @param RelationInterface $relation |
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| 76 | * |
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| 77 | * @return FilterInterface[]|FilterIterator |
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| 78 | */ |
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| 79 | public function getFiltersByRelation(RelationInterface $relation) |
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| 83 | |||
| 84 | /** |
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| 85 | * Builds search request according to given filters. |
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| 86 | * |
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| 87 | * @param Request $request |
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| 88 | * |
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| 89 | * @return SearchRequest |
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| 90 | */ |
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| 91 | View Code Duplication | public function buildSearchRequest(Request $request) |
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| 105 | |||
| 106 | /** |
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| 107 | * Builds elastic search query by given SearchRequest and filters. |
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| 108 | * |
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| 109 | * @param SearchRequest $request |
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| 110 | * @param \ArrayIterator|null $filters |
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| 111 | * |
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| 112 | * @return Search |
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| 113 | */ |
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| 114 | View Code Duplication | public function buildSearch(SearchRequest $request, $filters = null) |
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| 126 | } |
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| 127 |
This check marks private properties in classes that are never used. Those properties can be removed.