我有这个数组:如何对以下数组进行排序?
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
)
)
我想这个阵列中的降序avgRate进行排序,以便数组索引会是这样:
2 0 3 1
任何想法怎么能这样做了什么?
看一看'usort' - http://php.net/usort – hank 2013-02-25 07:44:35
你想的钥匙,是按照这个顺序呢? 'usort'会对值进行排序,但不是键。 – bozdoz 2013-02-25 07:50:35
可能重复的[如何按特定键排序多维数组?](http://stackoverflow.com/questions/2804690/how-to-sort-a-multidimensional-array-by-a-certain-key) – deceze 2013-02-25 07:56:51