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PHP Basic

PHP Intro

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PHP Install

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PHP Syntax

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PHP Comments

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PHP Variables

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PHP echo / print

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PHP Data Types

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PHP Strings

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PHP Numbers

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PHP Casting

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PHP Math

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PHP Constants

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PHP switch

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PHP Loops

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PHP Functions

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PHP Arrays

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PHP Superglobals

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PHP RegEx

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PHP Form

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PHP Advanced

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PHP OOP

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MySQL Database

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PHP XML

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PHP Reference

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Text lesson

sort()

Example

Arrange the elements of the $cars array in ascending alphabetical order.

<?php
$cars = array(“Volvo”, “BMW”, “Toyota”);
sort($cars);
?>

Definition and Usage

The sort() function arranges 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 be sorted.

sorttype

Optional. Defines how to compare the array elements/items. Possible values are:

0 = SORT_REGULAR – Default. Compare items normally without changing types
1 = SORT_NUMERIC – Compare items numerically
2 = SORT_STRING – Compare items as strings
3 = SORT_LOCALE_STRING – Compare items as strings based on the current locale
4 = SORT_NATURAL – Compare items as strings using natural ordering
5 = SORT_FLAG_CASE – Can be used with SORT_STRING or SORT_NATURAL to perform case-insensitive sorting of strings

Technical Details

Return Value:	TRUE
PHP Version:	4+
PHP Changelog:	PHP 8.2.0: Now returns `TRUE` (previously it returned a boolean).

More Examples

Example

Arrange the elements of the $numbers array in ascending numerical order.

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