<?php class Menu {    public $menu = array();    public function __construct() {        $this->menu = array(            array(‘id‘=>1,  ‘title‘=>"首页",‘pid‘=>0),            array(‘id‘=>158,‘title‘=>"基础信息",‘pid‘=>157),            array(‘id‘=>159,‘title‘=>"产消日志",‘pid‘=>157),            array(‘id‘=>147,‘title‘=>"玩家管理",‘pid‘=>124),            array(‘id‘=>148,‘title‘=>"踢线封停禁言",‘pid‘=>147),            array(‘id‘=>149,‘title‘=>"游戏公告",‘pid‘=>147),            array(‘id‘=>150,‘title‘=>"礼包卡",‘pid‘=>147),            array(‘id‘=>151,‘title‘=>"邮件发送",‘pid‘=>147),            array(‘id‘=>152,‘title‘=>"全服邮件发送",‘pid‘=>147),            array(‘id‘=>160,‘title‘=>"玩家调整",‘pid‘=>147),            array(‘id‘=>154,‘title‘=>"审批管理",‘pid‘=>147),            array(‘id‘=>155,‘title‘=>"GM指令",‘pid‘=>147),            array(‘id‘=>156,‘title‘=>"服务器参数配置",‘pid‘=>147),            array(‘id‘=>157,‘title‘=>"日志查询",‘pid‘=>124),            array(‘id‘=>123,‘title‘=>"数据查询",‘pid‘=>0),            array(‘id‘=>124,‘title‘=>"游戏管理",‘pid‘=>0),            array(‘id‘=>126,‘title‘=>"系统工具",‘pid‘=> 0),            array(‘id‘=>127,‘title‘=>"权限管理",‘pid‘=> 0),            array(‘id‘=>128,‘title‘=>"数据总览",‘pid‘=>123),            array(‘id‘=>129,‘title‘=>"登录建角与在线数据",‘pid‘=>123),            array(‘id‘=>130,‘title‘=>"留存数据分析",‘pid‘=>123),            array(‘id‘=>131,‘title‘=>"付费统计",‘pid‘=>123),            array(‘id‘=>132,‘title‘=>"消耗数据分析",‘pid‘=>123),            array(‘id‘=>134,‘title‘=>"实时统计",‘pid‘=>129),            array(‘id‘=>135,‘title‘=>"历史统计",‘pid‘=>129),            array(‘id‘=>137,‘title‘=>"日留存",‘pid‘=>130),            array(‘id‘=>138,‘title‘=>"等级&任务留存",‘pid‘=>130),            array(‘id‘=>139,‘title‘=>"分职业统计",‘pid‘=>130),            array(‘id‘=>140,‘title‘=>"日充值统计",‘pid‘=>131),            array(‘id‘=>141,‘title‘=>"充值订单",‘pid‘=> 131),            array(‘id‘=>142,‘title‘=>"充值排行",‘pid‘=>131),            array(‘id‘=>143,‘title‘=>"货币消耗",‘pid‘=>132),            array(‘id‘=>144,‘title‘=>"货币日留存",‘pid‘=>132),            array(‘id‘=>145,‘title‘=>"用户管理",‘pid‘=>127),            array(‘id‘=>146,‘title‘=>"用户组管理",‘pid‘=>127)        );        return $this->getMenu();    }    /**     * 主菜单pid为0     * @return array     */         protected function getMenu() {        foreach ($this->menus as $key => $items) {            if ($items[‘pid‘] == "0" ) {                unset($this->menu[$key]);                $menu[] = $this->buildMenuTree($items, $items[‘id‘]);            }        }        return $menu;    }    /**     * 生产多级菜单树     * @param array $items     * @param int $rid     * @return array     */    protected function buildMenuTree($items,$rid) {        $childs = $this->getChildMenu($items, $rid);        if (isset($childs[‘child‘])) {            foreach ($childs[‘child‘] as $key => $value) {                $children = $this->buildMenuTree($value, $value[‘id‘]);                if (null != $children[‘child‘]) {                    $childs[‘child‘][$key][‘child‘] = $children[‘child‘];                }            }        }        return $childs;    }        /**     * 获取子菜单     *     */    protected function getChildMenu($items,$rid) {        foreach ($this->menu as $key => $value) {            if ($value[‘pid‘] == $rid) {                unset($this->menu[$key]);                $items[‘child‘][] = $value;            }        }        return $items;    }    }var_dump(new Menu);

测试结果为：

array(5) {  [0] => array(4) {    ["id"] => string(1) "1"    ["title"] => string(6) "首页"    ["pid"] => string(1) "0"    ["sort"] => string(1) "1"  }  [1] => array(5) {    ["id"] => string(3) "123"    ["title"] => string(12) "数据查询"    ["pid"] => string(1) "0"    ["sort"] => string(1) "1"    ["child"] => array(5) {      [0] => array(4) {        ["id"] => string(3) "128"        ["title"] => string(12) "数据总览"        ["pid"] => string(3) "123"        ["sort"] => string(1) "0"      }      [1] => array(5) {        ["id"] => string(3) "129"        ["title"] => string(27) "登录建角与在线数据"        ["pid"] => string(3) "123"        ["sort"] => string(1) "0"        ["child"] => array(2) {          [0] => array(4) {            ["id"] => string(3) "134"            ["title"] => string(12) "实时统计"            ["pid"] => string(3) "129"            ["sort"] => string(1) "0"          }          [1] => array(4) {            ["id"] => string(3) "135"            ["title"] => string(12) "历史统计"            ["pid"] => string(3) "129"            ["sort"] => string(1) "0"          }        }      }      [2] => array(5) {        ["id"] => string(3) "130"        ["title"] => string(18) "留存数据分析"        ["pid"] => string(3) "123"        ["sort"] => string(1) "0"        ["child"] => array(3) {          [0] => array(4) {            ["id"] => string(3) "137"            ["title"] => string(9) "日留存"            ["pid"] => string(3) "130"            ["sort"] => string(1) "0"          }          [1] => array(4) {            ["id"] => string(3) "138"            ["title"] => string(19) "等级&任务留存"            ["pid"] => string(3) "130"            ["sort"] => string(1) "0"          }          [2] => array(4) {            ["id"] => string(3) "139"            ["title"] => string(15) "分职业统计"            ["pid"] => string(3) "130"            ["sort"] => string(1) "0"          }        }      }      [3] => array(5) {        ["id"] => string(3) "131"        ["title"] => string(12) "付费统计"        ["pid"] => string(3) "123"        ["sort"] => string(1) "0"        ["child"] => array(3) {          [0] => array(4) {            ["id"] => string(3) "140"            ["title"] => string(15) "日充值统计"            ["pid"] => string(3) "131"            ["sort"] => string(1) "0"          }          [1] => array(4) {            ["id"] => string(3) "141"            ["title"] => string(12) "充值订单"            ["pid"] => string(3) "131"            ["sort"] => string(1) "0"          }          [2] => array(4) {            ["id"] => string(3) "142"            ["title"] => string(12) "充值排行"            ["pid"] => string(3) "131"            ["sort"] => string(1) "0"          }        }      }      [4] => array(5) {        ["id"] => string(3) "132"        ["title"] => string(18) "消耗数据分析"        ["pid"] => string(3) "123"        ["sort"] => string(1) "0"        ["child"] => array(2) {          [0] => array(4) {            ["id"] => string(3) "143"            ["title"] => string(12) "货币消耗"            ["pid"] => string(3) "132"            ["sort"] => string(1) "0"          }          [1] => array(4) {            ["id"] => string(3) "144"            ["title"] => string(15) "货币日留存"            ["pid"] => string(3) "132"            ["sort"] => string(1) "0"          }        }      }    }  }  [2] => array(5) {    ["id"] => string(3) "124"    ["title"] => string(12) "游戏管理"    ["pid"] => string(1) "0"    ["sort"] => string(1) "3"    ["child"] => array(2) {      [0] => array(5) {        ["id"] => string(3) "147"        ["title"] => string(12) "玩家管理"        ["pid"] => string(3) "124"        ["sort"] => string(1) "0"        ["child"] => array(9) {          [0] => array(4) {            ["id"] => string(3) "148"            ["title"] => string(18) "踢线封停禁言"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [1] => array(4) {            ["id"] => string(3) "149"            ["title"] => string(12) "游戏公告"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [2] => array(4) {            ["id"] => string(3) "150"            ["title"] => string(9) "礼包卡"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [3] => array(4) {            ["id"] => string(3) "151"            ["title"] => string(12) "邮件发送"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [4] => array(4) {            ["id"] => string(3) "152"            ["title"] => string(18) "全服邮件发送"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [5] => array(4) {            ["id"] => string(3) "160"            ["title"] => string(12) "玩家调整"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [6] => array(4) {            ["id"] => string(3) "154"            ["title"] => string(12) "审批管理"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [7] => array(4) {            ["id"] => string(3) "155"            ["title"] => string(8) "GM指令"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }          [8] => array(4) {            ["id"] => string(3) "156"            ["title"] => string(21) "服务器参数配置"            ["pid"] => string(3) "147"            ["sort"] => string(1) "0"          }        }      }      [1] => array(5) {        ["id"] => string(3) "157"        ["title"] => string(12) "日志查询"        ["pid"] => string(3) "124"        ["sort"] => string(1) "0"        ["child"] => array(2) {          [0] => array(4) {            ["id"] => string(3) "158"            ["title"] => string(12) "基础信息"            ["pid"] => string(3) "157"            ["sort"] => string(1) "0"          }          [1] => array(4) {            ["id"] => string(3) "159"            ["title"] => string(12) "产消日志"            ["pid"] => string(3) "157"            ["sort"] => string(1) "0"          }        }      }    }  }  [3] => array(4) {    ["id"] => string(3) "126"    ["title"] => string(12) "系统工具"    ["pid"] => string(1) "0"    ["sort"] => string(1) "4"  }  [4] => array(5) {    ["id"] => string(3) "127"    ["title"] => string(12) "权限管理"    ["pid"] => string(1) "0"    ["sort"] => string(1) "5"    ["child"] => array(2) {      [0] => array(4) {        ["id"] => string(3) "145"        ["title"] => string(12) "用户管理"        ["pid"] => string(3) "127"        ["sort"] => string(1) "0"      }      [1] => array(4) {        ["id"] => string(3) "146"        ["title"] => string(15) "用户组管理"        ["pid"] => string(3) "127"        ["sort"] => string(1) "0"      }    }  }}