Array
(
    [0] => Array
        (
            [groupname] => 朋友
            [list] => Array
                (
                    [0] => Array
                        (
                            [displayname] => im
                            [maritalstatus] => 0
                        )                    [1] => Array
                        (
                            [displayname] => 网球
                            [maritalstatus] => 0
                        )                    [2] => Array
                        (
                            [displayname] => bb
                            [maritalstatus] => 0
                        )                    [3] => Array
                        (
                             [displayname] => cc
                             [maritalstatus] => 0
                        )                    [4] => Array
                        (
                                [displayname] => 爱德
                                [maritalstatus] => 0
                        )                )            [parentiid] => 
        )   
    [1] => Array
        (
            [groupname] =>车辆
            [list] => Array
                (
                )            [parentiid] => Array
                (
                       [0] => Array
                        (
                            [displayname] =>货车
                            [maritalstatus] => 0                        )
                      [1] => Array
                        (
                            [displayname] => 班车
                            [maritalstatus] => 0                        )                )        )    
)给他做排序,排序的规则是按照displayname的音序a-z进行排序。同一音序下,先显示英文姓名,再显示中文姓名排序后的为:
Array
(
    [0] => Array
        (
            [groupname] => 朋友
            [list] => Array
                (
                  
                    [0] => Array
                        (
                            [displayname] => bb
                            [maritalstatus] => 0
                        )                    [1] => Array
                        (
                             [displayname] => cc
                             [maritalstatus] => 0
                        )
    [2] => Array
                        (
                            [displayname] => im
                            [maritalstatus] => 0
                        )                    [3] => Array
                        (
                                [displayname] => 爱德
                                [maritalstatus] => 0
                        )
     [4] => Array
                        (
                            [displayname] => 网球
                            [maritalstatus] => 0
                        )                )            [parentiid] => 
        )   
    [1] => Array
        (
            [groupname] =>车辆
            [list] => Array
                (
                )            [parentiid] => Array
                (
                    [0] => Array
                        (
                            [displayname] => 班车
                            [maritalstatus] => 0                        )
                   [1] => Array
                        (
                            [displayname] =>货车
                            [maritalstatus] => 0                        )
                )        )    
)