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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16 | class UsersBinding extends AbstractBinding |
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17 | { |
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18 | |||
19 | /** |
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20 | * Construct a users binding from a database connector |
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21 | * |
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22 | * @param PDO $database |
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23 | * @throws BindingException |
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24 | */ |
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25 | public function __construct(PDO $database) |
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30 | View Code Duplication | public function lookupByScreenName($screen_name, $params = []) |
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46 | |||
47 | protected function instantiateListedObject($databaseRow, $params) |
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51 | } |
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52 |