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<krsortlist>
Last updated: Thu, 26 Jun 2008

ksort

(PHP 4, PHP 5)

ksort — Sort an array by key

Description

bool ksort ( array &$array [, int $sort_flags ] )

Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.

Parameters

array

The input array.

sort_flags

You may modify the behavior of the sort using the optional parameter sort_flags , for details see sort().

Return Values

Returns TRUE on success or FALSE on failure.

ChangeLog

Version Description
4.0.0 The optional sort_flags parameter was added.

Examples

Example #1 ksort() example

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

The above example will output:

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



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<krsortlist>
Last updated: Thu, 26 Jun 2008
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