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);
?>
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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, 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 - Can be combined with SORT_STRING or SORT_NATURAL to sort strings case-insensitively

Technical Details

Return Value: TRUE
PHP Version: 4+
PHP Changelog: PHP 8.2.0: Now returns TRUE (previously it returned bool)

More Examples

Example

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

<?php
$numbers = array(4, 6, 2, 22, 11);
sort($numbers);
?>
Try it Yourself »
❮ PHP Array Reference
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