合并多维数组中的数组键不会产生所需的输出

Question

This is my generated array i have tried array_merge_recrusive but not successful. I am doing program it should generate this array

Array
(
    [0] => Array
        (
            [competancy] => Array
                (
                    [0] => 1
                )

        )

    [1] => Array
        (
            [assistment] => Array
                (
                    [0] => 0
                )

        )

    [2] => Array
        (
            [competancy] => Array
                (
                    [0] => 3
                )

        )

    [3] => Array
        (
            [competancy] => Array
                (
                    [0] => 4
                )

        )

    [4] => Array
        (
            [assistment] => Array
                (
                    [0] => 0
                )

        )

    [5] => Array
        (
            [competancy] => Array
                (
                    [0] => 6
                )

        )
required
    [6] => Array
        (
            [competancy] => Array
                (
                    [0] => 7
                )

        )

    [7] => Array
        (
            [assistment] => Array
                (
                    [0] => 0
                )

        )

)

I want following output array I have tried lot of but not find this type of output

Array
(

            [competancy] => Array
                (
                    [0] => 1
                )




            [assistment] => Array
                (
                    [0] => 0
                )




            [competancy] => Array
                (
                    [0] => 3
                    [0] => 4
                )



            [assistment] => Array
                (
                    [0] => 0
                )



            [competancy] => Array
                (
                    [0] => 6
                    [0] => 7
                )



            [assistment] => Array
                (
                    [0] => 0
                )



)

Answer 1

Try to merge array with splat :

print_r(array_merge(...$array));