Array sort
Before sort
Array
(
[1] => B
[2] => P
[3] => A
[4] => w
[5] => D
[6] => s
[7] => J
[8] => d
[9] => w
)
After sort
Array
(
[0] => A
[1] => B
[2] => D
[3] => J
[4] => P
[5] => d
[6] => s
[7] => w
[8] => w
)