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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| 16 | class Builder |
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| 17 | { |
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| 18 | |||
| 19 | /** |
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| 20 | * @var string |
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| 21 | */ |
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| 22 | protected $root; |
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| 23 | |||
| 24 | /** |
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| 25 | * Builder constructor. |
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| 26 | * |
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| 27 | * @param string $root |
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| 28 | */ |
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| 29 | 8 | public function __construct(string $root) |
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| 33 | |||
| 34 | /** |
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| 35 | * @return Config |
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| 36 | */ |
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| 37 | public function config(): Config |
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| 43 | |||
| 44 | /** |
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| 45 | * @return Router |
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| 46 | */ |
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| 47 | public function router(): Router |
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| 53 | |||
| 54 | /** |
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| 55 | * @return ServerRequestInterface |
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| 56 | */ |
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| 57 | 1 | private function _request(): ServerRequestInterface |
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| 79 | |||
| 80 | /** |
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| 81 | * @return ServerRequestInterface |
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| 82 | */ |
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| 83 | public function request(): ServerRequestInterface |
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| 109 | |||
| 110 | /** |
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| 111 | * @return Session |
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| 112 | */ |
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| 113 | View Code Duplication | public function session(): Session |
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| 124 | |||
| 125 | /** |
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| 126 | * @return Cookies |
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| 127 | */ |
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| 128 | View Code Duplication | public function cookies(): Cookies |
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| 139 | |||
| 140 | /** |
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| 141 | * @return Factory |
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| 142 | */ |
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| 143 | public function factory(): Factory |
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| 149 | |||
| 150 | /** |
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| 151 | * @return Flow |
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| 152 | */ |
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| 153 | public function flow(): Flow |
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| 159 | |||
| 160 | } |
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| 161 |
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.