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db\Query column()

column() public method

Executes the query and returns the first column of the result.

public array column ( $db = null )
$db	yii\db\Connection	The database connection used to generate the SQL statement. If this parameter is not given, the `db` application component will be used.
return	array	The first column of the query result. An empty array is returned if the query results in nothing.

Links:

http://www.yiiframework.com/doc-2.0/yii-db-query.html#column()-detail

doc_Yii

2016-10-30 16:58:57

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