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 | View Code Duplication | class PasswordNotOld implements RuleInterface |
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| 10 | { |
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| 11 | use RuleTrait; |
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| 13 | public function __construct() |
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| 18 | public function test($value) |
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| 32 | } |
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