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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14 | class Updating extends Task |
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17 | /** |
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18 | * @param InputInterface $input |
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19 | * @param OutputInterface $output |
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20 | * @return int|null |
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21 | */ |
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22 | 3 | public function execute(InputInterface $input, OutputInterface $output) |
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31 | * @param InputInterface $input |
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32 | * @param OutputInterface $output |
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33 | * @return int |
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34 | */ |
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35 | 3 | View Code Duplication | private function updateModule(InputInterface $input, OutputInterface $output) |
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49 | * @param OutputInterface $output |
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50 | * @return int |
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51 | */ |
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52 | private function updateModules(OutputInterface $output) |
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63 | } |
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