Zebra\Zpl\Builder::command PHP Метод

    public function command()
    {
        $parameters = func_get_args();
        $command = strtoupper(array_shift($parameters));
        $parameters = array_map([$this, 'parameter'], $parameters);
        $this->zpl[] = '^' . $command . implode(',', $parameters);
        return $this;
    }