sort an array by key and by value too in PHP

Question

How to sort an array by ascending key and descending value?

Answer 1

    array_multisort(array_values($array), SORT_DESC, array_keys($array), SORT_ASC, $array);

Answer 2

Here is the code you are looking for.

<?php
$array = array(5=>100,4=>100,3=>100,1=>100,8=>97,6=>97,9=>82,7=>80);

$keys = array_keys($array);
$values = array_values($array);

sort($keys);
rsort($values);
for($i=0;$i<=count($keys)-1;$i++){
    $array[$keys[$i]] = $values[$i];
}
?>

Answer 3

在以下链接中，葡萄牙语中的Stack已解决了该问题： https : //pt.stackoverflow.com/questions/361111/como-classificar-array-pela-chave-e-pelo-valor-sem-perder-o -valor-原始-DA-C＃361115