Array sort

Before sort

Array
(
    [1] => 4
    [2] => d
    [3] => r
    [4] => F
    [5] => A
    [6] => F
    [7] => n
    [8] => 2
    [9] => k
)

After sort

Array
(
    [0] => 2
    [1] => 4
    [2] => A
    [3] => F
    [4] => F
    [5] => d
    [6] => k
    [7] => n
    [8] => r
)