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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16 | View Code Duplication | class DuplicateCollectionIdentifierException extends OutOfRangeException |
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17 | { |
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18 | |||
19 | /** |
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20 | * DuplicateCollectionIdentifierException constructor. |
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21 | * |
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22 | * @param $identifier |
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23 | * @param string $message |
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24 | * @param int $code |
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25 | * @param Exception|null $previous |
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26 | */ |
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27 | public function __construct($identifier, $message = '', $code = 0, Exception $previous = null) |
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40 | } |
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41 |