QRPayment.php
private function implodeContent()
    {
        ksort($this->content);
        $output = '';
        foreach ($this->content as $key => $value) {
            $output .= $key . self::KV_DELIMITER . $value . self::DELIMITER;
        }

        return rtrim($output, self::DELIMITER);
    }
private function implodeContent()
    {
        ksort($this->content);
        $output = '';
        foreach ($this->content as $key => $value) {
            $output .= $key . self::KV_DELIMITER . $value . self::DELIMITER;
        }

        return rtrim($output, self::DELIMITER);
    }
Build Spayd content from parts

@return string