1 | <?php |
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7 | class PDOConnector implements Connector |
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8 | { |
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9 | public function __construct(PDO $pdo) |
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13 | |||
14 | public static function make(array $configs): PDOConnector |
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26 | |||
27 | /** |
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28 | * @param string $sql |
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29 | * |
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30 | * @return mixed whatever the actual implementation returns, depending on the connector |
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31 | */ |
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32 | public function exec(string $sql) |
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36 | } |
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37 | |||
38 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: