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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9 | trait ConstructorUrl |
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10 | { |
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11 | use VerifyValues; |
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12 | /** |
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13 | * Concatenation Url In Curl |
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14 | * @param $newParameters string |
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15 | * @return $this |
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16 | */ |
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17 | protected function concatenationUrlCurl($newParameters) |
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29 | /** |
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30 | * Contains guid |
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31 | * @param $guid |
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32 | * @return $this |
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33 | */ |
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34 | View Code Duplication | public function guid($guid) |
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46 | } |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: