7
6
8
0.001
Array
-5
bird

This is a 'ASORT' function:
1
Array
(
    [0] => 0
    [5] => 
    [2] => -6.5
    [3] => andy
    [7] => apple
    [1] => john
    [8] => nick
    [6] => 6
    [4] => Array
        (
            [0] => 0
            [1] => 2
        )

)

This is a 'SORT' function:
1
Array
(
    [0] => 0
    [1] => 
    [2] => -6.5
    [3] => andy
    [4] => apple
    [5] => john
    [6] => nick
    [7] => 6
    [8] => Array
        (
            [0] => 0
            [1] => 2
        )

)

dog,
cat,
bird,
fish,
0,
0.001
Array
(
    [0] => something.com
    [1] => products
    [2] => shoes
    [3] => athletic
    [4] => index.php
)