private function requestIsValid(): bool
    {
        return $this->request->has(self::OPENID_ASSOC_HANDLE)
            && $this->request->has(self::OPENID_SIGNED)
            && $this->request->has(self::OPENID_SIG);
    }
private function requestIsValid(): bool
    {
        return $this->request->has(self::OPENID_ASSOC_HANDLE)
            && $this->request->has(self::OPENID_SIGNED)
            && $this->request->has(self::OPENID_SIG);
    }
private function requestIsValid ( ) : bool { return $ this -> request -> has ( self :: OPENID_ASSOC_HANDLE ) && $ this -> request -> has ( self :: OPENID_SIGNED ) && $ this -> request -> has ( self :: OPENID_SIG ) ; }
Validates if the request object has required stream attributes.

@return bool
Validates if the request object has required stream attributes .