1
2
Array
(
    [0] => Array
        (
            [col1] => 1
            [col2] => data1
        )

    [1] => Array
        (
            [col1] => 2
            [col2] => data2
        )

    [2] => Array
        (
            [col1] => 3
            [col2] => data3
        )

)