Documentation

Yii comes with a collection of thorough documentation. They are released under the Terms of the Yii Documentation.

Tutorials

Larry Ullman's Learning Yii Series is best suited for people who just start with MVC and/or Yii programming. (Difficulty level: 1)

The Yii Blog Tutorial describes in detail how to use Yii to develop a practical Web application. It is a good starting point to learn Yii. This tutorial can also be downloaded in PDF format. (Difficulty level: 3)

The Definitive Guide to Yii is the most comprehensive Yii documentation that gives the definitive description of every feature of Yii and is being constantly updated to reflect the latest enhancements and changes. This tutorial has been translated into several languages. It can also be downloaded in PDF format. (Difficulty level: 3)

The Yii Cookbook is a collection of Yii tutorials, each addressing a specific development task. Everyone with a Yii forum account can participate in creating or editing tutorial pages in the book. (Difficulty level: varied)

Cheat Sheets

The Yii Cheat Sheet: created by Sebastián Thierer, presents commonly used Yii classes, methods and properties in a single printable sheet.

Yii 1.1.0 validator cheatsheet: created by schmunk, summarizes all built-in validators in a single printable sheet.

Class Reference

Yii Framework Class Reference (version 1.0, version 1.1) gives every detail about properties, methods and events defined in Yii framework classes. It is mostly referenced during development. It can also be downloaded in CHM format (version 1.0, version 1.1).

Screencasts and Podcasts

How to create a blog system using Yii in less than 30 minutes: created by Pelle ten Cate, This tutorial walks you through the steps of creating a simple blog system using the Yii framework.

Yii Radio Podcasts: created by Imre Mehesz, covers the hot topics and recent activities about Yii framework.