<http://schema.org/description>
"In order to simplify sign-in/sign-up processes and reach user data instantly, authenticating + authorizing users through social networks is a highly-used. Social Auth is an open source and free PHP library that handles this process very easily. It has support for 3 major networks: Facebook, Twitter and Google+. The library is not limited to registration [&amp;hellip;]"^^<http://www.w3.org/2001/XMLSchema#string>
<https://webresourcesdepot.com/social-authentication-with-php-social-auth/>