I can recommend this oAuth library for PHP to implement Twitter sign, it's very minimal so it's easy to integrate. https://svn.iamcal.com/public/php/lib_oauth/

I can recommend this oAuth library for PHP to implement Twitter sign, it's very minimal so it's easy to integrate. https://svn.iamcal.com/public/php/lib_oauth/lib_oauth.php https://svn.iamcal.com/public/php/lib_oauth/lib_oauth.php