How to use php sort function

藏色散人
Release: 2023-03-05 19:34:01
Original
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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.

How to use php sort function

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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);
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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);
?>
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Run result:

2
4
6
11
22
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