How to use php sort function

php's sort function is used to sort numerical arrays in ascending order. The syntax of this function is "sort(array, sortingtype);", where the parameter array represents the array to be sorted, and the parameter "sortingtype" represents How to arrange the elements or items of an array.

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sort() function sorts a numerical array in ascending order.

Tip: Please use the rsort() function to sort the numeric array in descending order.

Syntax

sort(array,sortingtype);

Parameters

array required. Specifies the array to be sorted.

sortingtype Optional. Specifies how the elements/items of an array are arranged. Possible values:

0 = SORT_REGULAR - Default. Put each item in regular order (Standard ASCII, don't change the type).

1 = SORT_NUMERIC - treat each item as a number.

2 = SORT_STRING - Treat each item as a string.

3 = SORT_LOCALE_STRING - Treat each item as a string, based on the current locale (can be changed via setlocale()).

4 = SORT_NATURAL - Treat each item as a string, using natural sorting like natsort().

5 = SORT_FLAG_CASE - Can be combined (bitwise ORed) with SORT_STRING or SORT_NATURAL to sort strings, case-insensitively.

Technical Details

Return value: TRUE if successful, FALSE if failed.

PHP version: 4

More examples

Example 1

Sort the elements in the array $numbers in ascending order by number:

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

Run result:

2
4
6
11
22

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