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:
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| 8 | View Code Duplication | class LongValue extends AbstractValue |
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| 9 | { |
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| 10 | /** |
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| 11 | * @param int $value |
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| 12 | * |
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| 13 | * @return string |
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| 14 | */ |
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| 15 | 27 | public static function encode($value) |
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| 20 | /** |
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| 21 | * @param Buffer $data |
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| 22 | * |
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| 23 | * @return int |
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| 24 | */ |
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| 25 | 27 | public static function decode(Buffer $data) |
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| 29 | } |
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