1 <?php
2 $arr = array(
3
4 array('name'=>'zhangsan','age'=>26,'gender'=>'male','height'=>180),
5 array('name'=>'zhangsan','age'=>21,'gender'=>'female','height'=>156),
6 array('name'=>'zhangsan','age'=>59,'gender'=>'male','height'=>178)
7
8
9 );
10
11
12 function array_sort($arr=array(),$key='',$sort=0){
13
14 $arr_key = array();
15 foreach ($arr as $k=>$v) {
16 $arr_key[$k] = $v[$key];
17
18 }
19 ($sort == 0)?asort($arr_key):arsort($arr_key);
20
21 $return_arr = array();
22 foreach ($arr_key as $k=>$v) {
23
24 $return_arr[$k] = $arr[$k];
25
26 }
27
28 return $return_arr;
29 }
30
31 $arr_key = array_sort($arr,'age',0);
32
33 print_r($arr_key);
34
35
36 ?>
