ArrayObject
PHP Manual

ArrayObject::ksort

Sort the entries by key

Description

public void 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

  • ArrayObject::asort
  • ArrayObject::natsort
  • ArrayObject::natcasesort
  • ArrayObject::uasort
  • ArrayObject::uksort