lib/Dropbox/OAuth1Upgrader.php
function disableOAuth1AccessToken($oauth1AccessToken)
    {
        OAuth1AccessToken::checkArg("oauth1AccessToken", $oauth1AccessToken);

        $response = self::doPost($oauth1AccessToken, "1/disable_access_token");

        if ($response->statusCode !== 200) throw RequestUtil::unexpectedStatus($response);
    }
function disableOAuth1AccessToken($oauth1AccessToken)
    {
        OAuth1AccessToken::checkArg("oauth1AccessToken", $oauth1AccessToken);

        $response = self::doPost($oauth1AccessToken, "1/disable_access_token");

        if ($response->statusCode !== 200) throw RequestUtil::unexpectedStatus($response);
    }
Make a Dropbox API call to disable the given OAuth 1 access token.

See <a href="https://www.dropbox.com/developers/core/docs#disable-token">/disable_access_token</a>.

@param OAuth1AccessToken $oauth1AccessToken

@throws Exception