Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
)
Array
(
    [a] => 5
    [b] => -10
    [bob] => lame
)
BEFORE: 
Array
(
    [0] => 2
    [1] => 3
    [bob] => lame
    [2] => 4
    [3] => 5
    [a] => 5
    [b] => -10
)
AFTER: 
Array
(
    [b] => -10
    [0] => 2
    [1] => 3
    [2] => 4
    [3] => 5
    [a] => 5
    [bob] => lame
)
<div id='b'> -10</div><div id='0'> 2</div><div id='1'> 3</div><div id='2'> 4</div><div id='3'> 5</div><div id='a'> 5</div><div id='bob'> lame</div>