Yii (Yes It Is) is a free, open-source web application development framework. It’s a high-performance PHP framework best for developing Web 2.0 applications.
Here are the steps to setup Yii web application framework in localhost. It’s tested on Windows 7 Home with XAMPP server, might be similar on WAMP.
Step 1: Download Yii Framework from their website.
Extract the zip, rename the folder as ‘yii’ and put it in your XAMPP’s htdocs folder.
Step 2: Go to My Computer -> Properties ->Advanced System Settings-> Environment Variables
On System Variables, scroll to find ‘Path’ variable, select it and click ‘Edit’
Add ‘;F:\xampp\php;F:\xampp\htdocs\yii\framework’ at the end and Click Ok.
Here ‘F:’ refers to the drive where XAMPP is installed.