How to check the token server-side?

ios
oauth

#1

1.Mobile app get token
2.Mobile app - send resived data to own server-side api
On server side I nee to chek this toke, how to do it??


#2

第一篇文章,告诉我们怎么样发消息给twitter
https://dev.twitter.com/oauth/overview/authorizing-requests

第二,告诉我们怎么验证用户token
https://dev.twitter.com/rest/reference/get/account/verify_credentials
twitter的文章写的真TMD奇葩…一点连贯性都没有