Example
Sort the elements of the $cars array in descending alphabetical order:
html
<?php
$cars=array("Volvo","BMW","Toyota");
rsort($cars);
?>
Definition and Usage
The rsort() function sorts an indexed array in descending order.
Tip: Use the sort() function to sort an indexed array in ascending order.
Syntax
text
rsort(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+ |
More Examples
Example
Sort the elements of the $numbers array in descending numerical order:
html
<?php
$numbers=array(4,6,2,22,11);
rsort($numbers);
?>
Example
Compare the items numerically and sort the elements of the $cars array in descending order:
html
<?php
$cars=array("Volvo","BMW","Toyota");
rsort($cars,SORT_NUMERIC);
?>