public function getLoginUrl($redirect_uri, $scopes = array("read_public"), $response_type = "code")
{
$queryparams = array("response_type" => $response_type, "redirect_uri" => $redirect_uri, "client_id" => $this->client_id, "client_secret" => $this->client_secret, "scope" => implode(",", $scopes), "state" => $this->state);
// Build url and return it
return sprintf("%s?%s", self::AUTH_HOST, http_build_query($queryparams));
}