yii\db\QueryInterface::all PHP Method

Executes the query and returns all results as an array.

public all ( Connection $db = null ) : array
$db	Connection	the database connection used to execute the query. If this parameter is not given, the `db` application component will be used.
return	array	the query results. If the query results in nothing, an empty array will be returned.

    public function all($db = null);

QueryInterface