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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11 | class JsonServiceFactory implements ServiceFactoryInterface |
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12 | { |
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13 | /** |
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14 | * @var array $services |
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15 | */ |
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16 | private $services; |
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17 | |||
18 | /** |
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19 | * @var array $serviceList |
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20 | */ |
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21 | private $serviceList; |
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22 | |||
23 | /** |
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24 | * Constructor |
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25 | * |
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26 | * @param string $jsonFile |
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27 | * |
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28 | * @return void |
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29 | */ |
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30 | public function __construct($jsonFile) |
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34 | |||
35 | /** |
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36 | * @param string $jsonFile |
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37 | * |
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38 | * @return array |
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39 | */ |
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40 | private function loadJsonFile($jsonFile) |
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45 | |||
46 | /** |
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47 | * @param string $jsonFile |
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48 | * |
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49 | * @return void |
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50 | */ |
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51 | private function loadServiceList($jsonFile) |
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59 | |||
60 | /** |
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61 | * @inheritdoc |
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62 | */ |
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63 | View Code Duplication | public function create($service) |
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79 | } |
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Adding a
@return
annotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.