PHP多维数组排序之array_multisort

来源：互联网发布：mac拨号上网鉴定失败编辑：程序博客网时间：2024/05/16 18:16

<?php $arr = [    [        'id'=> 20,        'name' => 'a',        'type' =>[            'id'=> 5,            'type_name' => '学生'        ]    ],    [        'id'=> 10,        'name' => 'c',        'type' =>[            'id'=> 1,            'type_name' => '老师'        ]    ],    [        'id'=> 30,        'name' => 'e',        'type' =>[            'id'=> 8,            'type_name' => '老师'        ]    ],    [        'id'=> 18,        'name' => 'b',        'type' =>[            'id'=> 9,            'type_name' => '学生'        ]    ],];$arr_sort = array();foreach($arr as $key=>$value){    $arr_sort['sort'][$key] = $value['type']['id'];}/*array_multisort:    排序第一个数组, 顺序同时作用到第二个数组    实现了多维数组的排序!    这里以第三维的type_id排序*/echo '<pre>';$rs = array_multisort($arr_sort['sort'], SORT_DESC, $arr);var_dump($arr);

结果

array(4) {  [0]=>  array(3) {    ["id"]=>    int(18)    ["name"]=>    string(1) "b"    ["type"]=>    array(2) {      ["id"]=>      int(9)      ["type_name"]=>      string(6) "学生"    }  }  [1]=>  array(3) {    ["id"]=>    int(30)    ["name"]=>    string(1) "e"    ["type"]=>    array(2) {      ["id"]=>      int(8)      ["type_name"]=>      string(6) "老师"    }  }  [2]=>  array(3) {    ["id"]=>    int(20)    ["name"]=>    string(1) "a"    ["type"]=>    array(2) {      ["id"]=>      int(5)      ["type_name"]=>      string(6) "学生"    }  }  [3]=>  array(3) {    ["id"]=>    int(10)    ["name"]=>    string(1) "c"    ["type"]=>    array(2) {      ["id"]=>      int(1)      ["type_name"]=>      string(6) "老师"    }  }}

1 0