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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Doctrine\DBAL\Driver\PDO\MySQL;
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use Doctrine\DBAL\Driver\AbstractMySQLDriver;
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use Doctrine\DBAL\Driver\PDO\Connection;
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use Doctrine\DBAL\Driver\PDO\Exception;
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use PDO;
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use PDOException;
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final class Driver extends AbstractMySQLDriver
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{
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    /**
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     * {@inheritdoc}
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     *
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     * @return Connection
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     */
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    public function connect(array $params)
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    {
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        $driverOptions = $params['driverOptions'] ?? [];
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        if (! empty($params['persistent'])) {
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            $driverOptions[PDO::ATTR_PERSISTENT] = true;
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        }
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        try {
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            $pdo = new PDO(
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                $this->constructPdoDsn($params),
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                $params['user'] ?? '',
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                $params['password'] ?? '',
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                $driverOptions,
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            );
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        } catch (PDOException $exception) {
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            throw Exception::new($exception);
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        }
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        return new Connection($pdo);
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    }
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    /**
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     * Constructs the MySQL PDO DSN.
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     *
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     * @param mixed[] $params
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     */
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    private function constructPdoDsn(array $params): string
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    {
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        $dsn = 'mysql:';
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        if (isset($params['host']) && $params['host'] !== '') {
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            $dsn .= 'host=' . $params['host'] . ';';
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        }
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        if (isset($params['port'])) {
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            $dsn .= 'port=' . $params['port'] . ';';
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        }
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        if (isset($params['dbname'])) {
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            $dsn .= 'dbname=' . $params['dbname'] . ';';
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        }
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        if (isset($params['unix_socket'])) {
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            $dsn .= 'unix_socket=' . $params['unix_socket'] . ';';
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        }
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        if (isset($params['charset'])) {
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            $dsn .= 'charset=' . $params['charset'] . ';';
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        }
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        return $dsn;
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    }
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}