data-providers.md

Data providers

Data provider abstracts getting data by providing IDataProvider interface and handles pagination and sorting.

It can be used by grids, lists and all other classes extended from CBaseListView as well as in custom code.

In Yii there are three default data providers: CActiveDataProvider, CArrayDataProvider and CSqlDataProvider.

Active data provider

CActiveDataProvider implements a data provider based on ActiveRecord.

Array data provider

CArrayDataProvider implements a data provider based on a raw data array.

SQL data provider

CSqlDataProvider implements a data provider based on a plain SQL statement.

Implementing your own custom data provider

In order to implement your own data provider …