数组:
Array
(
    [0] => Array
        (
            [id] => 1
            [menu_collapse] => 超级菜单
            [menu_items] => 写文章
            [cid] => 1
         
        )
    [1] => Array
       (
            [id] => 2
            [menu_collapse] => 维护菜单
            [menu_items] => 管理数据
            [cid] => 2
         
        )
    [2] => Array
       (
            [id] => 3
            [menu_collapse] => 维护菜单
            [menu_items] => 管理用户
            [cid] => 2
         
        )
)
如何把上面数组转换这样的?
Array
(
    [0] => Array
        (
            [id] => 1
            [menu_collapse] => 超级菜单
            [menu_items] => 写文章
            [cid] => 1
         
        )
    [1] => Array
       (
        [new] => Array
                   (
                        [id] => 2
                        [menu_collapse] => 维护菜单
                        [menu_items] => 管理数据
                        [cid] => 2
                     
                    )
                 (
                        [id] => 2
                        [menu_collapse] => 维护菜单
                        [menu_items] => 管理数据
                        [cid] => 2
                    
                    )
)
                            
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你只能遍历数组来处理了。