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I would like to provide you a quick tip on how to implement user level access to your Yii applications.

CSRF is the acronymn for Cross-site request forgery. It is an attack which forces an end user to execute unwanted actions on a web application in which he/she is currently authenticated.

To get null from database instead of empty strings you need to set up your DB connection as follows:

There are two approaches to converting an Artisteer theme. The first is to simply copy an existing Artisteer – based Yii theme, overlay the CSS and images, then make any necessary tweaks to the layout files. This is undoubtedly the fastest route, but won't teach you as much as doing it from scratch. That's ok. Sometimes getting the job done is the top priority. The second approach is more general and will apply to some extent to other HTML templates that you may want to convert. I'll be covering the first approach in detail, while the second will be more of a general discussion.

An application component is a confortable way for share information among all component of the application

Something a good application cant miss is documentation, and what would be better than some nice formatted HTML documentation that can be auto-generated from your code, we know several tools that already do this like phpDocumentor, but today we are introducing Yii Docs Generator which is a modification of the code that Yii itself uses to generate its documentation, thank phpnode for this wonderful work.

This tutorial shows how to filter CListView items by AJAX, and it's compatible with disabled JavaScript users In my case this has been done to filter users list

So I've been busy making lots of modifications to my views/models/controllers - came to test the app and got a blank screen. Nothing in the application.log file so must be a syntax error somewhere... But which file?

I needed British (dd/mm/yyyy) formatted dates throughout my application but found it very difficult to find examples of how to do this - until I found this excellent forum post http://www.yiiframework.com/forum/index.php?/topic/3649-dealing-with-i18n-date-formats/

All the basic functionality for an action used by the xupload extension. Check resources for the source code of this action