By default, the decimal separator in php (also in mysql) is a dot (.).
So when we work with floats in Yii (in calculations, validation, sql statements etc.), the decimal separator has to be a dot.
If we want to use for example a comma (,) as the decimal separator, that is if we want to display numbers and enable users to enter numbers with a comma before the decimals, we have to...
To start with you need to download the latest stable release of CKeditor.
Extract the downloaded file and place the ckeditor/ folder in your applications webroot directory. (beside "protected" and "css" and other directories)