data\SqlDataProvider $key

$key public property

The column that is used as the key of the data models. This can be either a column name, or a callable that returns the key value of a given data model.

If this is not set, the keys of the $models array will be used.

public string|callable $key = null

Links:

http://www.yiiframework.com/doc-2.0/yii-data-sqldataprovider.html#$key-detail

doc_Yii

2016-10-30 16:56:05

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