我怎么以下数组排序? [英] How do I sort the following array?
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问题描述
我有这样的数组:
Array
(
[0] => Array
(
[id] => 6347
[lat] => 18.520430
[lng] => 73.856743
[country_id] => 18
[description] => pune is vary nice plac!!!!!!!!!!!!<br>
[loc_badge] => img/icon-monument.png
[distance] => 0
[country] => india
[city] => pune
[refId] => 6340
[avgRate] => 4.7
)
[1] => Array
(
[id] => 6587
[lat] => 18.649632
[lng] => 73.744843
[country_id] => 18
[description] => Ravet is vary nice city near by pune<br>
[loc_badge] => img/icon-attraction.png
[distance] => 18.5865663140631
[country] => india
[city] => ravet
[refId] => 6749
[avgRate] => 0
)
[2] => Array
(
[id] => 6633
[lat] => 17.691401
[lng] => 74.000938
[country_id] => 18
[description] => satara is vary nice city<br>
[loc_badge] => img/icon-monument.png
[distance] => 93.4305849434119
[country] => india
[city] => satara
[refId] => 6834
[avgRate] => 6
)
[3] => Array
(
[id] => 6213
[lat] => 18.655491
[lng] => 72.867920
[country_id] => 150
[description] => Alibag is a coastal town and a municipal council in Raigad District in the Konkan region of Maharashtra, India.
[loc_badge] => img/icon-beach.png
[distance] => 105.287803206408
[country] => maharashtra
[city] => alibag
[refId] => 6212
[avgRate] => 2
)
)
我想这个数组的降序排列排序的 avgRate ,这样数组索引会是这样的:
I want to sort this array in descending order of avgRate so that the array index will be like this:
2 0 3 1
任何想法如何才能做到这一点?
any idea how can this be done?
推荐答案
试试这个:使用在array_multisort
$sort = array();
foreach($your_array as $k=>$v) {
$sort['avgRate'][$k] = $v['avgRate'];
}
array_multisort($sort['avgRate'], SORT_DESC, $your_array);
echo "<pre>";
print_r($your_array);
参考: http://php.net/manual/en/function。阵列multisort.php
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