Array
(
    [prop] => Array
        (
            [2] => Array
                (
                    [0] => 516
                    [1] => 527
                    [2] => 531
                    [3] => 590
                    [4] => 623
                    [5] => 671
                    [6] => 690
                    [7] => 697
                    [8] => 722
                    [9] => 734
                )

        )

)