Abraham's Twitter oAuth PHP Library - Store user access tokens in WordPress database?

I am using Abraham's Twitter OAuth PHP Library and it is a very good starter. I am working on WordPress and I want to know how i can store the access tokens in the user table of my WordPress database instead of the sessions so that it is persistent and users c开发者_运维知识库an quickly do stuff.

http://github.com/abraham/twitteroauth

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It looks like you can use update_user_meta to save and get_user_meta to set custom values for users.