7
6
8
1.0E-12
Array

-6.5

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

    [5] => 6
)


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

)


dog
cat
bird
fish
0
1.0E-12

Array
(
    [0] => something.com
    [1] => proucts
    [2] => shoes
    [3] => athletic
    [4] => index.php
)