One can control the detail of a web application in the webroot/index.php file by manipulating the values of YII_DEBUG and YII_TRACE_LEVEL, but these don't appear to be used by console applications. This is because although the base CApplication class defines a displayError() method that does consider these variable, CConsoleApplication overrides it with a function that doesn't honor them.
In this short how-to I will show how to customize setFlash() to display messages (flashes) styled to be success confirmation, error report or notice information. And how to achieve displaying errors in other way.
CGridView is a one of most flexible widgets in Yii and example its flexibility is CButtonColumn used to build buttons for steering model in each grid row. Here in this how-to we will explain ways user can customize CButtonColumn to flexibly fit it to its needs.
Many people want to use downloaded extensions in their own way. As for me most of the extensions require me to correct Yii::import() instructions inside their source code. All these extensions are directory dependent. To avoid the situation described above, I suggest to implement pseudo-anonymous aliases:
The official Yii project site now supports OpenSearch. This means you can customize your browser's search box to enable direct search of the content in yiiframework.com. For example, by entering a Yii class name in the browser's search box, the corresponding class API page will be shown in the browser.