krsort

(PHP 4, PHP 5, PHP 7, PHP 8)

krsortSort an array by key in descending order

Description

krsort(array &$array, int $flags = SORT_REGULAR): true

Sorts array in place by keys in descending order.

Note:

If two members compare as equal, they retain their original order. Prior to PHP 8.0.0, their relative order in the sorted array was undefined.

Note:

Resets array's internal pointer to the first element.

Parameters

array

The input array.

flags

The optional second parameter flags may be used to modify the sorting behavior using these values:

Sorting type flags:

Return Values

Always returns true.

Changelog

Version Description
8.2.0 The return type is true now; previously, it was bool.
8.2.0 This function now does numeric string comparison under SORT_REGULAR using the standard PHP 8 rules.

Examples

Example #1 krsort() example

<?php
$fruits
= array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
krsort($fruits);
foreach (
$fruits as $key => $val) {
echo
"$key = $val\n";
}
?>

The above example will output:

d = lemon
c = apple
b = banana
a = orange

See Also

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