时间:2021-07-01 10:21:17 帮助过:3人阅读
输出结果:
/**
* 二维数组根据某个字段排序
* 功能:按照用户的年龄倒序排序
* @author ruxing.li
*/
header('Content-Type:text/html;Charset=utf-8');
$arrUsers = array(
array(
'id' => 1,
'name' => '张三',
'age' => 25,
),
array(
'id' => 2,
'name' => '李四',
'age' => 23,
),
array(
'id' => 3,
'name' => '王五',
'age' => 40,
),
array(
'id' => 4,
'name' => '赵六',
'age' => 31,
),
array(
'id' => 5,
'name' => '黄七',
'age' => 20,
),
);
$sort = array(
'direction' => 'SORT_DESC', //排序顺序标志 SORT_DESC 降序;SORT_ASC 升序
'field' => 'age', //排序字段
);
$arrSort = array();
foreach($arrUsers AS $uniqid => $row){
foreach($row AS $key=>$value){
$arrSort[$key][$uniqid] = $value;
}
}
if($sort['direction']){
array_multisort($arrSort[$sort['field']], constant($sort['direction']), $arrUsers);
}
var_dump($arrUsers);
/*
http://www.bkjia.com/PHPjc/779572.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/779572.htmlTechArticle本文记录的要实现的功能类似于 MySQL 中的 ORDER BY,上个项目中有遇到这样的一个需求。 要求:从两个不同的表中获取各自的4条数据,然后...