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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19 | trait UserTrait |
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20 | { |
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21 | |||
22 | /** |
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23 | * @var int|null |
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24 | */ |
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25 | private $_userId; |
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26 | |||
27 | /** |
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28 | * @var UserElement|null |
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29 | */ |
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30 | private $_user; |
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31 | |||
32 | /** |
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33 | * Set associated userId |
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34 | * |
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35 | * @param $id |
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36 | * @return $this |
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37 | */ |
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38 | public function setUserId(int $id) |
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55 | |||
56 | /** |
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57 | * Get associated userId |
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58 | * |
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59 | * @return int|null |
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60 | */ |
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61 | public function getUserId() |
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65 | |||
66 | |||
67 | /** |
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68 | * Associate a user |
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69 | * |
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70 | * @param $user |
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71 | * @return $this |
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72 | */ |
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73 | public function setUser($user) |
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98 | |||
99 | /** |
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100 | * @return UserElement|null |
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101 | */ |
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102 | public function getUser() |
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139 | |||
140 | /** |
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141 | * @param $user |
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142 | * @return UserElement|null |
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143 | */ |
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144 | private function findUserElement($user) |
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167 | |||
168 | /** |
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169 | * @return array |
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170 | */ |
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171 | View Code Duplication | protected function userRules(): array |
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195 | |||
196 | /** |
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197 | * @return array |
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198 | */ |
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199 | protected function userFields(): array |
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207 | |||
208 | /** |
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209 | * @return array |
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210 | */ |
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211 | protected function userAttributes(): array |
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219 | |||
220 | /** |
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221 | * @return array |
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222 | */ |
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223 | protected function userAttributeLabels(): array |
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231 | |||
232 | } |
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233 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..