php小白数组求解 根据某一个键值重新排序数组 给分100

WBOY
Release: 2016-06-23 13:28:26
Original
1043 people have browsed it

这样一个json数组
[ {"id":"1","name":"21g","dis":"33"},
  {"id":"2","name":"21g","dis":"22"},
  {"id":"3","name":"21g","dis":"3"},
  {"id":"4","name":"21g","dis":"5"},
  {"id":"5","name":"21g","dis":"12"}]    
需要根据dis从小到大排序成
[{"id":"3","name":"21g","dis":"3"},
 {"id":"4","name":"21g","dis":"5"},
 {"id":"5","name":"21g","dis":"12"},
 {"id":"2","name":"21g","dis":"22"},
 {"id":"1","name":"21g","dis":"33"}]

求步骤详情  在线等      急!!!


回复讨论(解决方案)

$s =<<< TXT[ {"id":"1","name":"21g","dis":"33"},  {"id":"2","name":"21g","dis":"22"},  {"id":"3","name":"21g","dis":"3"},  {"id":"4","name":"21g","dis":"5"},  {"id":"5","name":"21g","dis":"12"}]    TXT;$a = json_decode($s, true);foreach($a as $v) $r[] = $v['dis'];array_multisort($r, $a);echo json_encode($a);
Copy after login
[{"id":"3","name":"21g","dis":"3"},{"id":"4","name":"21g","dis":"5"},{"id":"5","name":"21g","dis":"12"},{"id":"2","name":"21g","dis":"22"},{"id":"1","name":"21g","dis":"33"}]

谢谢谢谢!!  已经弄好了!

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!