PHP array_slice() 函数

Array
(
    [0] =>sehwag
    [1] =>rahul
)

Array
(
    [0] => Hyundai
    [1] => Toyota
)

Array
(
    [2] => Hyundai
    [3] => Toyota
)

Array
(
    [0] => DBMS
)
Array
(
    [0] =>os
)
Array
(
    [0] => java
    [1] => C++
    [2] =>os
    [3] => DBMS
)