Ifsnop\Mysqldump\Mysqldump::connect PHP Метод

    private function connect()
    {
        // Connecting with PDO
        try {
            switch ($this->dbType) {
                case 'sqlite':
                    $this->dbHandler = @new PDO("sqlite:" . $this->dbName, null, null, $this->pdoSettings);
                    break;
                case 'mysql':
                case 'pgsql':
                case 'dblib':
                    $this->dbHandler = @new PDO($this->dsn, $this->user, $this->pass, $this->pdoSettings);
                    // Execute init commands once connected
                    foreach ($this->dumpSettings['init_commands'] as $stmt) {
                        $this->dbHandler->exec($stmt);
                    }
                    // Store server version
                    $this->version = $this->dbHandler->getAttribute(PDO::ATTR_SERVER_VERSION);
                    break;
                default:
                    throw new Exception("Unsupported database type (" . $this->dbType . ")");
            }
        } catch (PDOException $e) {
            throw new Exception("Connection to " . $this->dbType . " failed with message: " . $e->getMessage());
        }
        if (is_null($this->dbHandler)) {
            throw new Exception("Connection to " . $this->dbType . "failed");
        }
        $this->dbHandler->setAttribute(PDO::ATTR_ORACLE_NULLS, PDO::NULL_NATURAL);
        $this->typeAdapter = TypeAdapterFactory::create($this->dbType, $this->dbHandler);
    }