public function getAuthorizeUrl($scope)
{
$url = 'https://app.rakuten.co.jp/services/authorize';
$parameter = array();
$parameter = array('response_type' => 'code', 'client_id' => $this->developerId, 'redirect_uri' => $this->redirectUrl, 'scope' => $scope);
return $url . '?' . http_build_query($parameter);
}