# PHP sort() Function

PHP Array Reference

## Example

Sort the elements of the $cars array in ascending alphabetical order:

<?php
$cars=array("Volvo","BMW","Toyota");
sort($cars);
?>
Run example »

## Definition and Usage

The sort() function sorts an indexed array in ascending order.

Tip: Use the rsort() function to sort an indexed array in descending order.

## Syntax

sort(array,sortingtype);

Parameter | Description
--- | ---
array | Required. Specifies the array to sort

sortingtype

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 1

Sort the elements of the $numbers array in ascending numerical order:

<?php
$numbers=array(4,6,2,22,11);
sort($numbers);
?>
Run example »

PHP Array Reference

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