Admin::generateReturnUrl PHP Method

    public function generateReturnUrl($requestUri)
    {
        $split = explode('?', $requestUri);
        if (count($split) > 1) {
            $queryArray = array();
            parse_str($split[1], $queryArray);
            unset($queryArray['returnUri']);
            $split[1] = urlencode(http_build_query($queryArray));
        }
        $returnUri = implode('?', $split);
        return $returnUri;
    }