Array
(
    [k] => ks
    [t] => ts
    [a] => as
    [b] => bbbbb
)

Array
(
    [a] => as
    [b] => bbbbb
    [k] => ks
    [t] => ts
)

Key=a, Value=as
Key=b, Value=bbbbb
Key=k, Value=ks
Key=t, Value=ts