private function isUriWithSchemeAndPathOnly()
    {
        return null === $this->authority
            && null === $this->query
            && null === $this->fragment;
    }
private function isUriWithSchemeAndPathOnly()
    {
        return null === $this->authority
            && null === $this->query
            && null === $this->fragment;
    }
private function isUriWithSchemeAndPathOnly ( ) { return null === $ this -> authority && null === $ this -> query && null === $ this -> fragment ; }
URI validation for URI schemes which allows only scheme and path components.
URI validation for URI schemes which allows only scheme and path components .