cloud_sql/postgres/pdo/src/DatabaseTcp.php [46:78]:
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            $conn = new PDO(
                $dsn,
                $username,
                $password,
                # [START_EXCLUDE]
                # [START cloud_sql_postgres_pdo_timeout]
                // Here we set the connection timeout to five seconds and ask PDO to
                // throw an exception if any errors occur.
                [
                    PDO::ATTR_TIMEOUT => 5,
                    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                ]
                # [END cloud_sql_postgres_pdo_timeout]
                # [END_EXCLUDE]
            );
        } catch (TypeError $e) {
            throw new RuntimeException(
                sprintf(
                    'Invalid or missing configuration! Make sure you have set ' .
                        '$username, $password, $dbName, and $instanceHost (for TCP mode). ' .
                        'The PHP error was %s',
                    $e->getMessage()
                ),
                $e->getCode(),
                $e
            );
        } catch (PDOException $e) {
            throw new RuntimeException(
                sprintf(
                    'Could not connect to the Cloud SQL Database. Check that ' .
                        'your username and password are correct, that the Cloud SQL ' .
                        'proxy is running, and that the database exists and is ready ' .
                        'for use. For more assistance, refer to %s. The PDO error was %s',
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cloud_sql/sqlserver/pdo/src/DatabaseTcp.php [50:82]:
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            $conn = new PDO(
                $dsn,
                $username,
                $password,
                # [START_EXCLUDE]
                # [START cloud_sql_sqlserver_pdo_timeout]
                // Here we set the connection timeout to five seconds and ask PDO to
                // throw an exception if any errors occur.
                [
                    PDO::ATTR_TIMEOUT => 5,
                    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                ]
                # [END cloud_sql_sqlserver_pdo_timeout]
                # [END_EXCLUDE]
            );
        } catch (TypeError $e) {
            throw new RuntimeException(
                sprintf(
                    'Invalid or missing configuration! Make sure you have set ' .
                        '$username, $password, $dbName, and $instanceHost (for TCP mode). ' .
                        'The PHP error was %s',
                    $e->getMessage()
                ),
                $e->getCode(),
                $e
            );
        } catch (PDOException $e) {
            throw new RuntimeException(
                sprintf(
                    'Could not connect to the Cloud SQL Database. Check that ' .
                        'your username and password are correct, that the Cloud SQL ' .
                        'proxy is running, and that the database exists and is ready ' .
                        'for use. For more assistance, refer to %s. The PDO error was %s',
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