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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| 15 | final class Spreadsheet implements SpreadsheetInterface |
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| 16 | { |
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| 17 | private $name; |
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| 18 | private $sheets; |
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| 20 | 14 | public function __construct(string $name) |
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| 26 | 11 | public function name(): string |
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| 31 | /** |
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| 32 | * {@inheritdoc} |
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| 33 | */ |
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| 34 | 9 | public function sheets(): MapInterface |
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| 39 | 11 | View Code Duplication | public function add(SheetInterface $sheet): SpreadsheetInterface |
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| 54 | 2 | View Code Duplication | public function replace(SheetInterface $sheet): SpreadsheetInterface |
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| 69 | 12 | public function has(string $sheet): bool |
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| 74 | 4 | public function get(string $sheet): SheetInterface |
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| 78 | } |
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