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@@ -1,6 +1,6 @@ #  TwoFactorAuth class for PHP -[](https://travis-ci.org/RobThree/TwoFactorAuth/) [](https://packagist.org/packages/robthree/twofactorauth) [](LICENSE) [](https://packagist.org/packages/robthree/twofactorauth) [](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=6MB5M2SQLP636 "Keep me off the streets") +[](https://travis-ci.org/RobThree/TwoFactorAuth/) [](https://packagist.org/packages/robthree/twofactorauth) [](LICENSE) [](https://packagist.org/packages/robthree/twofactorauth) [](http://hhvm.h4cc.de/package/robthree/twofactorauth) [](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=6MB5M2SQLP636 "Keep me off the streets") PHP class for [two-factor (or multi-factor) authentication](http://en.wikipedia.org/wiki/Multi-factor_authentication) using [TOTP](http://en.wikipedia.org/wiki/Time-based_One-time_Password_Algorithm) and [QR-codes](http://en.wikipedia.org/wiki/QR_code). Inspired by, based on but most importantly an *improvement* on '[PHPGangsta/GoogleAuthenticator](https://github.com/PHPGangsta/GoogleAuthenticator)'. |