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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| 9 | View Code Duplication | class TemplateNotFoundException extends TemplateException |
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| 10 | { |
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| 11 | /** |
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| 12 | * @var string |
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| 13 | */ |
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| 14 | private $path; |
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| 15 | |||
| 16 | /** |
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| 17 | * @param string $path |
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| 18 | * @param Throwable|null $previous |
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| 19 | */ |
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| 20 | 2 | public function __construct(string $path, Throwable $previous = null) |
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| 25 | |||
| 26 | /** |
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| 27 | * @return string |
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| 28 | */ |
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| 29 | 2 | public function path(): string |
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| 33 | } |
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| 34 |