Array
(
    [prop] => Array
        (
            [2] => Array
                (
                    [0] => 326
                    [1] => 428
                    [2] => 450
                    [3] => 518
                    [4] => 590
                    [5] => 616
                    [6] => 685
                    [7] => 696
                    [8] => 697
                    [9] => 722
                )

        )

)