Wiki Follow @yiiframework

Using filters on CGridView with CActiveDataProvider is easy, but with CArrayDataProvider it is a bit tricky.

I had some troubles with the password confirmation field for when adding updating user records, so i thought that i should share the way i got it working.

Yii's by-default directory organization works well enough, but there are several steps one can take that improve the security and serviceability of the system, especially in the context of multiple Yii projects on the same machine (including multiple versions of the same project).

I wanted to keep all the I18N related translations in separate files, so that I would not need to modify the view files or the model files every time I need to update or fix the translations of application's source language.

With Yii you can use one CActiveForm for collecting data for two or more models with ajax validation and client validation.

Here I suggest to list the most common questions you meet in the forum or freenode irc. Feel free to edit this wiki article, and add another question with answer

It's common to see users wishing to make substring DB queries, using the % metacharacter used to match anything; in this FAQ we'll search the tbl_comments table from the blog tutorial hoping to find the text in $match in the content column

After enabling the Gii module in your protected/config/main.php file and then try to use it with http://example.com/index.php?r=gii, you get an error:

This is the first real problem that I encountered using Yii, trying to make a Model input repeatable in the form, validate and save them.

Normally when we want users to download a file, that file is put in a folder under the web application root and the web server does the rest.