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 QueuedExtractor implements ExtractorInterface |
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| 8 | { |
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| 9 | private $extractor; |
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| 10 | private $broker; |
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| 11 | private $proucer; |
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| 12 | |||
| 13 | public function __construct(ExtractorIteratorInterface $extractor, AmqpBroker $broker, $proucer) |
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| 19 | |||
| 20 | public function extract() |
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| 26 | } |
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| 27 |