Clockwork\Storage\SqlStorage::__construct PHP Метод

    public function __construct($dsn, $table = 'clockwork', $username = null, $password = null)
    {
        if ($dsn instanceof PDO) {
            $this->pdo = $dsn;
        } else {
            $this->pdo = new PDO($dsn, $username, $password);
        }
        $this->table = $table;
    }