Php 先按值再按键对数组排序
假设我有这样一个数组:Php 先按值再按键对数组排序,php,arrays,sorting,data-structures,Php,Arrays,Sorting,Data Structures,假设我有这样一个数组: $array => Array ( [5] => 0.33 [3] => 1 [2] => 0.33 ) 当我执行asort($array)时,我得到: $array => Array ( [5] => 0.33 [2] => 0.33 [3] => 1
$array => Array
(
[5] => 0.33
[3] => 1
[2] => 0.33
)
当我执行asort($array)
时,我得到:
$array => Array
(
[5] => 0.33
[2] => 0.33
[3] => 1
)
如何对其进行排序,以便首先对值进行排序,如果它们具有相同的值,则对键进行排序,以便最终输出为:
$array => Array
(
[2] => 0.33
[5] => 0.33
[3] => 1
)
你可以试着耍个小把戏
$array = array(
0 => 1,
3 => 1,
7 => 1,
2 => 0.33,
5 => 0.33,
6 => 0.33,
1 => 0.33,
);
$array_keys = array_keys($array);
array_multisort($array, $array_keys);
$result = array_combine($array_keys, $array);
var_dump($result);