[twitter-dev] Twitter OAuth Request Token after Facebook Connect - Double login?

Hi I'm trying to setup my site to where a user can connect their
Facebook and Twitter accounts.

I'm running into a problem where if a user connects Facebook first
then Twitter second the request_token I get from $tok = $this->_tw-
>getRequestToken(); doesn't match the token Twitter sends back after
the user confirms my app.

Is this a simple session mix up? Or am I doing something wrong?

For the first step should I be getting a fresh request token and
authorization URL each time is refreshed or should I store them in a
session variable to be used?

If people click the connect Twitter first instead of Facebook it works
smoothly.

I know I probably made this really confusing. Please let me know if
you need to see/know any of the coding.

P.s. I'm using PHP

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