Array
(
    [0] => stdClass Object
        (
            [user_id] => 5391
        )

    [1] => stdClass Object
        (
            [user_id] => 11420
        )

    [2] => stdClass Object
        (
            [user_id] => 11835
        )

    [3] => stdClass Object
        (
            [user_id] => 11962
        )

    [4] => stdClass Object
        (
            [user_id] => 15060
        )

    [5] => stdClass Object
        (
            [user_id] => 16847
        )

    [6] => stdClass Object
        (
            [user_id] => 19458
        )

    [7] => stdClass Object
        (
            [user_id] => 20042
        )

    [8] => stdClass Object
        (
            [user_id] => 20510
        )

    [9] => stdClass Object
        (
            [user_id] => 21020
        )

)