多维数组按字段多次排序$arr = array(); for ($i = 1;$i<10;$i++){ $item = array(); $item['name'] = 'name-' . $i; $item['number'] = rand(10,99); $item['sort'] = rand(1,10); $arr[] = $item; } var_dump(json_encode($arr)); // string(352) "[{"name":"name-1","number":53,"sort":1},{"name":"name-2","number":56,"sort":6},{"name":"name-3","number":39,"sort":6},{"name&q