Dashboard::statistics PHP Метод

    public function statistics()
    {
        $json = array();
        $stat_range = 'today';
        if ($this->input->get('stat_range')) {
            $stat_range = $this->input->get('stat_range');
        }
        $result = $this->Dashboard_model->getStatistics($stat_range);
        $json['sales'] = empty($result['sales']) ? $this->currency->format('0.00') : $this->currency->format($result['sales']);
        $json['lost_sales'] = empty($result['lost_sales']) ? $this->currency->format('0.00') : $this->currency->format($result['lost_sales']);
        $json['cash_payments'] = empty($result['cash_payments']) ? $this->currency->format('0.00') : $this->currency->format($result['cash_payments']);
        $json['customers'] = empty($result['customers']) ? '0' : $result['customers'];
        $json['orders'] = empty($result['orders']) ? '0' : $result['orders'];
        $json['orders_completed'] = empty($result['orders_completed']) ? '0' : $result['orders_completed'];
        $json['delivery_orders'] = empty($result['delivery_orders']) ? '0' : $result['delivery_orders'];
        $json['collection_orders'] = empty($result['collection_orders']) ? '0' : $result['collection_orders'];
        $json['tables_reserved'] = empty($result['tables_reserved']) ? '0' : $result['tables_reserved'];
        $this->output->set_output(json_encode($json));
    }