方法一:
$b = array(
array('name'=>'北京','nums'=>'200'),
array('name'=>'上海','nums'=>'80'),
array('name'=>'广州','nums'=>'150'),
array('name'=>'深圳','nums'=>'70')
);
$a = array();
foreach($b as $key=>$val){
$a[] = $val['nums'];//这里要注意$val['nums']不能为空,不然后面会出问题
}
//$a先排序
rsort($a);
$a = array_flip($a);
$result = array();
foreach($b as $k=>$v){
$temp1 = $v['nums'];
$temp2 = $a[$temp1];
$result[$temp2] = $v;
}
//这里还要把$result进行排序,健的位置不对
ksort($result);
//然后就是你想看到的结果了
var_dump($result);
方法二:
<?php $data = [ [ 'id' => 13, 'name' => 'Arthur Dent', ], [ 'id' => 22, 'name' => 'Ford Prefect', ], [ 'id' => 5, 'name' => 'Trillian Astra', ], ]; //对多维数组进行排序,就是这么简单! // array_multisort(array_column($data, 'id'), SORT_ASC, $data); array_multisort(array_column($data, 'id'), SORT_DESC, $data); echo "
"; print_r($data); echo "";
原创文章,作者:Maggie-Hunter,如若转载,请注明出处:https://blog.ytso.com/tech/pnotes/16408.html