为何递归不起作用?郁闷了

Array

(

    [0] => Array

        (

            [0] => 1

            [catid] => 1

            [1] => 0

            [parentid] => 0

            [2] => 关于我们

            [catname] => 关于我们

            [3] => 4

            [listorder] => 4

            [4] => 0

            [items] => 0

            [5] => 1

            [type] => 1

            [child] => Array

                (

                    [0] => Array

                        (

                            [0] => 2

                            [catid] => 2

                            [1] => 1

                            [parentid] => 1

                            [2] => 关于我们

                            [catname] => 关于我们

                            [3] => 1

                            [listorder] => 1

                            [4] => 0

                            [items] => 0

                            [5] => 1

                            [type] => 1

                        )



                    [1] => Array

                        (

                            [0] => 3

                            [catid] => 3

                            [1] => 1

                            [parentid] => 1

                            [2] => 公司荣誉

                            [catname] => 公司荣誉

                            [3] => 2