[ImXotep]

Sorry, i'm don't see this example in this guide:
Sorts the values of a one-dimensional array in either ascending or descending order based on the specified inputs.

Note All array-based function calculations begin with array element 1.

Function
SortArray(PriceArray, Size, HiLo)

Parameters
PriceArray
The name of a declared numeric array to sort.

Size
The number of data elements (size) of the array, starting with element 1, to include in the sort.

HiLo
1 = sort descending, -1 = sort ascending


Returns
SortArray always returns 1. It will sort the values of the specified array elements in order based on the HiLo input.

and all!