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PHP ksort() Function

PHP Array Reference Complete PHP Array Reference

Definition and Usage

The ksort() function sorts an array by the keys. The values keep their original keys.

This function returns TRUE on success, or FALSE on failure.

Syntax

ksort(array,sorttype)

Parameter Description
array Required. Specifies the array to sort
sorttype Optional. Specifies how to sort the array values. Possible values:
  • SORT_REGULAR - Default. Treat values as they are (don't change types)
  • SORT_NUMERIC - Treat values numerically
  • SORT_STRING - Treat values as strings
  • SORT_LOCALE_STRING - Treat values as strings, based on local settings

Example

<?php
$my_array = array("a" => "Dog", "b" => "Cat", "c" => "Horse");
ksort($my_array);
print_r($my_array);
?>

The output of the code above will be:

Array
(
[a] => Dog
[b] => Cat
[c] => Horse
)

PHP Array Reference Complete PHP Array Reference

From http://www.w3schools.com (Copyright Refsnes Data)