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redis\ActiveQuery scalar()

scalar() public method

Returns the query result as a scalar value.

The value returned will be the specified attribute in the first record of the query results.

public string scalar ( $attribute, $db = null )
$attribute	string	Name of the attribute to select
$db	yii\redis\Connection	The database connection used to execute the query. If this parameter is not given, the `db` application component will be used.
return	string	The value of the specified attribute in the first record of the query result. Null is returned if the query result is empty.

Links:

http://www.yiiframework.com/doc-2.0/yii-redis-activequery.html#scalar()-detail

doc_Yii

2016-10-30 17:10:39

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