Array
(
    [prop] => Array
        (
            [2] => Array
                (
                    [0] => 442
                    [1] => 455
                    [2] => 528
                    [3] => 554
                    [4] => 661
                    [5] => 698
                    [6] => 707
                    [7] => 708
                    [8] => 720
                    [9] => 737
                )

        )

)