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For some applications it can be advantageous for administration reasons to allow site administrators to login as other users. This is sometimes called user impersonation or "becoming that user".

Sometimes you need to force a user to change their password after x number of days. This article describes how to implement this using a filter, ChangePasswordFilter.

A simple trick to get the localized version of a model field is to add this little method to your models.

To extend further static pages as shown by Qiang http://www.yiiframework.com/wiki/22/how-to-display-static-pages-in-yii/ here're the steps to take:

Logging context information (session, user, ...) to the logfile can be of great help tracking down problems with specific users.

Here is a way to dynamically extend tabs based on clips. Probably even more complex things could be done.

The config long array included every time, and it's not cached at all!

Note: As of Yii 1.1.x this functionality is integrated into the framework. If you are using 1.1.x please disregard this article and use the built-in functionality.

This tutorial will guide you through the process of creating a yii application using Cloud9. We will use a git workspace to enable version control and also show how to link the Cloud9 workspace to GitHub.

Sometimes we get lost trying to search by a HAS_MANY relation using CActiveRecord or CActiveDataProvider. This article is a series of drills that try to describe the practical techniques of searching by a HAS_MANY relation.