google-authenticator：Google身份验证器

＃Google-Authenticator Google身份验证器 ＃＃用法 ###步骤1-注册申请 $ google = new GoogleAuthenticator (); // Register application echo $ google -> getQRCodeUrl ( 'MyApplicationName' ); // Save secret Key $ secretKey = $ google -> getSecretKey (); ###步骤2-验证码 $ google = new GoogleAuthenticator ( $ secretKey ); // User submit code $ userSubmitCode = '' ; // Verify Code if ( $ google -> verifyCode ( $ userSubmitCode )) { // OK } ##示范