删除没有任何值或键的数组

I have these array

Array
(
    [0] => A
    [1] => B
    [2] => C
    [3] => D
)
Array
(
    [0] => A
    [1] => B
    [2] => C
    [3] => D
)
Array
(
)

But the last array don't have any key or value, i want to remove it, please help !

Use array_filter for this task, assuming this is part of a parent array.

array_filter($arrs);

This will remove empty arrays for you.