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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| 13 | View Code Duplication | class RefundAction implements ActionInterface, GatewayAwareInterface |
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| 14 | { |
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| 15 | use GatewayAwareTrait; |
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| 16 | |||
| 17 | /** |
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| 18 | * {@inheritdoc} |
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| 19 | * |
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| 20 | * @param Refund $request |
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| 21 | */ |
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| 22 | 1 | public function execute($request) |
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| 30 | |||
| 31 | /** |
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| 32 | * {@inheritdoc} |
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| 33 | */ |
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| 34 | 1 | public function supports($request) |
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| 40 | } |
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| 41 |