ArrayObject::ksort

(PHP 5 >= 5.2.0, PHP 7)

ArrayObject::ksortSort the entries by key


Description

public ArrayObject::ksort ( ) : void

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


Parameters

This function has no parameters.


Return Values

No value is returned.


Examples

Example #1 ArrayObject::ksort() example

<?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:


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

See Also