Array
(
    [prop] => Array
        (
            [2] => Array
                (
                    [0] => 452
                    [1] => 527
                    [2] => 550
                    [3] => 622
                    [4] => 661
                    [5] => 703
                    [6] => 704
                    [7] => 707
                    [8] => 708
                    [9] => 710
                )

        )

)