Array sort

Before sort

Array
(
    [1] => L
    [2] => w
    [3] => Q
    [4] => b
    [5] => m
    [6] => i
    [7] => g
    [8] => e
    [9] => 2
)

After sort

Array
(
    [0] => 2
    [1] => L
    [2] => Q
    [3] => b
    [4] => e
    [5] => g
    [6] => i
    [7] => m
    [8] => w
)