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:
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13 | final class CategoryParser |
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14 | { |
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15 | 2 | View Code Duplication | public static function createFromResponse(ResponseInterface $response): array |
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27 | 4 | public static function parseArray($categories) |
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38 | 3 | private static function createFromArray(array $category): Category |
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49 | } |
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