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 | View Code Duplication | class WordPress extends Basic |
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20 | { |
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21 | |||
22 | /** |
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23 | * |
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24 | * @param $input |
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25 | * @return boolean |
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26 | * @throws EmailValidationException |
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27 | */ |
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28 | public function validate($input) |
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38 | |||
39 | |||
40 | } |
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41 | // End of file WordPressEmailValidation.php |
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42 | // Location: core\services\validation/WordPressEmailValidation.php |