Yii core messages refer to static text strings in the core Yii framework code which are meant to be displayed to end-users (e.g. core exception messages, default validation error messages). Customization of these core messages is needed in two circumstances:
There are situations in which Active Record will generate nonsense queries from what a nieve Yii user might think is reasonable code. One such situation is a CActiveDataProvider using CDbCriteria to get data from parent and 1:n child table with a condition on the child table.
I have seen a couple of articles about how to integrate external libraries to debug our PHP code (i.e. firePHP) but after you read this article you will realize that there is no need for such libraries when using Yii.
CHtml::ajaxLink(), CHtml::ajaxSubmitButton() and similar methods are great, but if they are located inside a portion of the page that is already loaded via ajax something bad will happen, something you may even not notice if you are not using tools like firebugs: the sent ajax requests will multiply themselves.
I discovered Twitter Bootstrap almost two years ago. After trying it out for a while I fell in love with it. It didn't take long before I realized that it would be great to write an extension that allowed developers to start using Bootstrap in their Yii projects. One night I sat down and started writing what later became my now popular bootstrap extension. Now that the extension is quite widely used in the community I felt that it was time to write about how to use Bootstrap to its full potential. If you use the Bootstrap CSS files you're really missing out on some great features. After reading this article you'll be able to take full advantage of Bootstrap using LESS.
CMenu offers great functionality and the ability to customize just about every aspect of the output. There are many times when I need to create a drop down menu or simply modify the look to make the designers happy. Because this seems to be a common task for me, I figured I would share my code to create a very simple drop down menu that other people could use.
Validators extending from CValidator all have a property named message. You can set this property in the corresponding validation rule to customize the error message. For example, the following validation rule uses an error message that is different from the default one: