[SyS]

If you meant values in an array you can easily sort them in descending order.There are lot of sorting methods available.I will show you simple sorting technique (Linear sort)

PHP код:

new i,j,a;    
for (i = 0; i < sizeof(number);i++)
    {
        for (j = i + 1; j < sizeof(number); j++)
        {
            if (number[i] < number[j])//to sort in reverse (ascending change < to >) 
            {
                a = number[i];
                number[i] = number[j];
                number[j] = a;
            }
        }
    } 


There are also more optimized algorithms for sorting like insertion,bubble,shell etc.You can ****** about it