Array sort

Before sort

Array
(
    [1] => E
    [2] => 4
    [3] => 4
    [4] => q
    [5] => 7
    [6] => A
    [7] => d
    [8] => Y
    [9] => h
)

After sort

Array
(
    [0] => 4
    [1] => 4
    [2] => 7
    [3] => A
    [4] => E
    [5] => Y
    [6] => d
    [7] => h
    [8] => q
)