bshaffer/oauth2-server-php — pull request #122 by mmdumi (2013-05-11 12:10:53+00:00)
Title: Ability to return the existing token

Hello,
With my code i would like to fix this issue: https://github.com/bshaffer/oauth2-server-php/issues/42
I have added an option into server config to interrogate the db and return the existing token for the given client, user and scope.