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ArrayObject::ksort

ArrayObject::ksort

(PHP 5 >= 5.2.0, PHP 7)

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() - Sort the entries by value

  • ArrayObject::natsort() - Sort entries using a "natural order" algorithm

  • ArrayObject::natcasesort() - Sort an array using a case insensitive "natural order" algorithm

  • ArrayObject::uasort() - Sort the entries with a user-defined comparison function and maintain key association

  • ArrayObject::uksort() - Sort the entries by keys using a user-defined comparison function

← ArrayObject::getIteratorClass

ArrayObject::natcasesort →

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Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/arrayobject.ksort.php