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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| 21 | class ErrorPlugin implements Plugin |
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| 22 | { |
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| 23 | /** |
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| 24 | * {@inheritdoc} |
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| 25 | */ |
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| 26 | 3 | public function handleRequest(RequestInterface $request, callable $next, callable $first) |
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| 34 | |||
| 35 | /** |
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| 36 | * Transform response to an error if possible. |
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| 37 | * |
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| 38 | * @param RequestInterface $request Request of the call |
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| 39 | * @param ResponseInterface $response Response of the call |
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| 40 | * |
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| 41 | * @throws ClientErrorException If response status code is a 4xx |
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| 42 | * @throws ServerErrorException If response status code is a 5xx |
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| 43 | * |
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| 44 | * @return ResponseInterface If status code is not in 4xx or 5xx return response |
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| 45 | */ |
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| 46 | 3 | protected function transformResponseToException(RequestInterface $request, ResponseInterface $response) |
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| 58 | } |
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| 59 |
If you suppress an error, we recommend checking for the error condition explicitly: