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This is a reference about model validators and user roles. In many cases we want model validators to applied only for some privileged users or not

This is a very simple tutorial that demonstrates how to redirect user back to the returnUrl if he is already logged in.

After Installing Yii Users and Rights to Newly Created Yii app we have to assign dynamic roles to a user at the time of user creation .

After creating an yii app . we need to implement permission, Authentication and Authorization .so the best way is to use the Yii users and Rights modules.

hello, This article is helpful only if you have the following situation: A web app which uses facebook login to login its users and if a user is logged out from his/her facebook account through another browser tab, then your app dont know that he is logged out out or not from his facebook account and he/she will remain as logged in your web application.Its ok if you have no problem with this situation.But if you want to forcefully logout the user from your application if he is logged out from his facebook account means you can try this example.This example uses periodic ajax calls to facebook's graph api to check whether the user is logged in or not.

For those who feel, the Controller->accessRules() or RBAC (Role-Based Access Control) is too complicated or doesn't want the username(s) to be hard-coded in accessRules(), here is a very simple, easy-to-implement solution.

Hi Folks,

...folder /protected/components/UserLoginWidget.php... ...extending the CWidget class...