what is Yii::app() in php framework yii

2018-06-06 09:16:15

I am new to yii. I want to know about Yii::app() . I searched for it, but I am not able to understand it exactly.

Please read information from this link.You will understand it.

YII Documentation

Yii is the Yii singleton: http://www.yiiframework.com/doc/api/1.1/Yii

Yii::app() returns the instance of CApplication: http://www.yiiframework.com/doc/api/1.1/CApplication

Which has many handy methods and variables such as user (referenced by Yii::app()->user which was information about the user)

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