PHP: Yii Netbeans completion feature

gistfile1

#Tools->Options->Miscellaneous->Files->Ignored Files Pattern
^(yiilite\.php|CVS|SCCS.....

#Create new php file in your project /protected directory named yii.php with this content:
class Yii extends YiiBase
{
    /**
     * Returns the application singleton or null if the singleton has not been created yet.
     * @return CWebApplication the application singleton, null if the singleton has not been created yet.
     */
    public static function app()
    {
        return self::app();
    }
}