Array
(
    [0] => Volkan
    [1] => Hakan
    [2] => Onur
    [3] => Levent
    [4] => Serkan
    [5] => Gökhan
    [6] => Array
        (
            [0] => Derya
            [1] => Banu
            [2] => Aslı
            [3] => Gökçe
        )

)

Array
(
    [0] => Hakan
    [1] => Array
        (
            [0] => Derya
            [1] => Banu
            [2] => Aslı
            [3] => Gökçe
        )

    [2] => Serkan
    [3] => Levent
    [4] => Onur
    [5] => Gökhan
    [6] => Volkan
)