ladybirdweb / agorainvoicing

        $parts = explode('=', $kvp, 2);

        $key = $decoder($parts[0]);

        $value = isset($parts[1]) ? $decoder($parts[1]) : null;

        if (!isset($result[$key])) {

            $result[$key] = $value;

        } else {

            if (!is_array($result[$key])) {

                $result[$key] = [$result[$key]];

            }

            $result[$key][] = $value;

        }

    }

    return $result;

            $parameter = self::urldecodeRfc3986($split[0]);

            $value = isset($split[1]) ? self::urldecodeRfc3986($split[1]) : '';

            if (isset($parameters[$parameter])) {

                // We have already recieved parameter(s) with this name, so add to the list

                // of parameters with this name

                if (is_scalar($parameters[$parameter])) {

                    // This is the first duplicate, so transform scalar (string) into an array

                    // so we can add the duplicates

                    $parameters[$parameter] = [$parameters[$parameter]];

                }

                $parameters[$parameter][] = $value;

            } else {

                $parameters[$parameter] = $value;

            }

        }

        return $parameters;