ArrayObject::ksort

PHP function Edit on GitHub ✎

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

Sort the entries by key

Description

ArrayObject::ksort(int $flags = SORT_REGULAR): true

Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.

Sort-unstable

Parameters

Return Values

Always

Changelog

Version	Description

Examples

ArrayObject::ksort() example

php

<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->ksort();

foreach ($fruitArrayObject as $key => $val) {
    echo "$key = $val\n";
}
 ?>

The above example will output:

output

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