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PHP ksort() Function Usage and Example

The ksort() function sorts the array by key name

Syntax

ksort　(　$array,　$sort_flag　);

Definition and Usage

The ksort() function sorts the array by key while preserving the association between key names and data. This function is mainly used for associative arrays.

Parameter

Serial Number	Parameters and Description
1	array Required. Specify an array
2	sort_flag Optional. Specify how to sort the array values. Possible values- SORT_REGULAR - Default value. Treat the value as is (do not change the type) SORT_NUMERIC - Process the value numerically SORT_STRING - Treat the value as a string SORT_LOCALE_STRING - Treat the value as a string according to the local settings

Return Value

This function returns TRUE on success and FALSE on failure.

Online Example

Example

<?php
　　　$transport　=　array(　'a'=>'foot',　'b'=>'bike',　'c'=>'car',　'd'=>'plane');
　　　ksort($transport);
　　　
　　　print_r($transport);
?>

Test and see‹/›

Output Result：

Array　(　[a]　=>　foot　[b]　=>　bike　[c]　=>　car　[d]　=>　plane　)

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