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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| 7 | View Code Duplication | class UnsignedShortValue extends AbstractValue |
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| 8 | { |
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| 9 | /** |
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| 10 | * @param string $value |
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| 11 | * |
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| 12 | * @return int |
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| 13 | */ |
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| 14 | 2 | public static function encode($value) |
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| 18 | |||
| 19 | /** |
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| 20 | * @param Buffer $data |
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| 21 | * |
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| 22 | * @return int |
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| 23 | */ |
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| 24 | 2 | public static function decode(Buffer $data) |
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| 28 | } |
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| 29 |