Example
Sort an associative array in descending order, according to the key:
html
<?php
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
krsort($age);
?>
Definition and Usage
The krsort() function sorts an associative array in descending order, according to the key.
Tip: Use the ksort() function to sort an associative array in ascending order, according to the key.
Tip: Use the arsort() function to sort an associative array in descending order, according to the value.
Syntax
text
krsort(array, sorttype)
Parameter Values
| Parameter | Description |
|---|---|
| array | Required. Specifies the array to sort |
| sorttype | Optional. Specifies how to compare the array elements/items. Possible values: 0 = SORT_REGULAR - Default. Compare items normally (don't change types) 1 = SORT_NUMERIC - Compare items numerically 2 = SORT_STRING - Compare items as strings 3 = SORT_LOCALE_STRING - Compare items as strings, based on current locale 4 = SORT_NATURAL - Compare items as strings using natural ordering 5 = SORT_FLAG_CASE - |
Technical Details
| Return Value: | TRUE on success. FALSE on failure |
|---|---|
| PHP Version: | 4+ |