MySQL PDO connection

Run a SQL INSERT statement to open and close a connection to Cloud SQL for MySQL by using the PHP Data Objects (PDO) extension.

Explore further

For detailed documentation that includes this code sample, see the following:

• Manage database connections

Code sample

PHP

To authenticate to Cloud SQL for MySQL, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

// Use prepared statements to guard against SQL injection.
$sql = 'INSERT INTO votes (time_cast, candidate) VALUES (NOW(), :voteValue)';

try {
    $statement = $conn->prepare($sql);
    $statement->bindParam('voteValue', $value);

    $res = $statement->execute();
} catch (PDOException $e) {
    throw new RuntimeException(
        'Could not insert vote into database. The PDO exception was ' .
        $e->getMessage(),
        $e->getCode(),
        $e
    );
}

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