PHP: sort() function

Last update on August 19 2022 21:51:16 (UTC/GMT +8 hours)

PHP: Sort an array

The sort() function is used to sort array elements. Elements will be arranged from lowest to highest when this function has completed.

Version:

(PHP 4 and above)

Syntax:

sort(array_name, sorting_type)

Parameters:

Name	Description	Required / Optional	Type
array_name1	Specifies the array.	Required	Array
sorting_type	Sets the sorting behavior. Possible type : SORT_REGULAR - Compare items normally. SORT_NUMERIC - Compare items numerically. SORT_STRING - Compare items as strings. SORT_LOCALE_STRING - compare items as strings, based on the current locale.	Optional	Mixed*

*Mixed: Mixed indicates that a parameter may accept multiple (but not necessarily all) types.

Return value:

TRUE on success or FALSE on failure.

Value Type : Boolean.

Example:

<?php
$subject = array("Language",  "English", "Math", "History");
sort($subject);
foreach ($subject as $key => $val)
{
echo "subject[ " . $key . "] = " . $val . "<br />";
}
?>

Output:

subject[ 0] = English
subject[ 1] = History
subject[ 2] = Language
subject[ 3] = Math

Pictorial Presentation:

View the example in the browser

Practice here online :

See also

PHP Function Reference

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