php循环的一个有关问题

php循环的一个问题
有这样一个数组 

PHP code

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-->Array
(
    [0] =&gt; Array
        (
            [id] =&gt; 1
            [name] =&gt; ~core
            [title] =&gt; 项目
            [_child] =&gt; Array
                (
                    [0] =&gt; Array
                        (
                            [id] =&gt; 2
                            [name] =&gt; home
                            [title] =&gt; 主页分组
                            [_child] =&gt; Array
                                (
                                    [0] =&gt; Array
                                        (
                                            [id] =&gt; 3
                                            [name] =&gt; index
                                            [title] =&gt; 首页模块
                                            [_child] =&gt; Array
                                                (
                                                    [0] =&gt; Array
                                                        (
                                                            [id] =&gt; 5
                                                            [name] =&gt; index
                                                            [title] =&gt; 项目首页
                                                        )

                                                )

                                        )

                                    [1] =&gt; Array
                                        (
                                            [id] =&gt; 4
                                            [name] =&gt; user
                                            [title] =&gt; 用户模块
                                            [_child] =&gt; Array
                                                (
                                                    [0] =&gt; Array
                                                        (
                                                            [id] =&gt; 6
                                                            [name] =&gt; index
                                                            [title] =&gt; 用户首页
                                                        )

                                                    [1] =&gt; Array
                                                        (
                                                            [id] =&gt; 7
                                                            [name] =&gt; login
                                                            [title] =&gt; 登陆首页
                                                        )

                                                    [2] =&gt; Array
                                                        (
                                                            [id] =&gt; 8
                                                            [name] =&gt; logout
                                                            [title] =&gt; 登出
                                                        )

                                                )

                                        )

                                )

                        )

                    [1] =&gt; Array
                        (
                            [id] =&gt; 9
                            [name] =&gt; company
                            [title] =&gt; 公司分组
                            [_child] =&gt; Array
                                (
                                    [0] =&gt; Array
                                        (
                                            [id] =&gt; 11
                                            [name] =&gt; index
                                            [title] =&gt; 公司模块
                                            [_child] =&gt; Array
                                                (
                                                    [0] =&gt; Array
                                                        (
                                                            [id] =&gt; 12
                                                            [name] =&gt; pub
                                                            [title] =&gt; 测试
                                                        )

                                                )

                                        )

                                )

                        )

                    [2] =&gt; Array
                        (
                            [id] =&gt; 10
                            [name] =&gt; user
                            [title] =&gt; 用户分组
                            [_child] =&gt; Array
                                (
                                    [0] =&gt; Array
                                        (
                                            [id] =&gt; 13
                                            [name] =&gt; client
                                            [title] =&gt; 业务管理
                                            [_child] =&gt; Array
                                                (
                                                    [0] =&gt; Array
                                                        (
                                                            [id] =&gt; 16
                                                            [name] =&gt; index
                                                            [title] =&gt; 业务增加页
                                                        )

                                                )

                                        )

                                    [1] =&gt; Array
                                        (
                                            [id] =&gt; 14
                                            [name] =&gt; knowledge
                                            [title] =&gt; 文章首页
                                            [_child] =&gt; Array
                                                (
                                                    [0] =&gt; Array
                                                        (
                                                            [id] =&gt; 15
                                                            [name] =&gt; pub
                                                            [title] =&gt; 文章发布
                                                        )

                                                )

                                        )

                                )

                        )

                )

        )

)

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