Array
(
    [0] => Array
        (
            [0] => 07:00
            [1] => pintu
            [2] => ganti
            [3] => baru
        )

    [1] => Array
        (
            [0] => 07:75
            [1] => pasang
            [2] => pintu
            [3] => baru
        )

    [2] => Array
        (
            [0] => 08:00
            [1] => siap
            [2] => di
            [3] => pakai
        )

)

tah eta array hasil dari explode spaci gimana caranya supaya pengen kieu 

Array
(
    [0] => Array
        (
            [0] => 07:00
            [1] => pintu ganti baru
        )

    [1] => Array
        (
            [0] => 07:75
            [1] => pasang pintu baru
        )

    [2] => Array
        (
            [0] => 08:00 
siap di pakai
        )

)