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PHP: sort() function

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:

php function reference: sort() function

View the example in the browser

Practice here online :

See also

PHP Function Reference

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Next: uasort



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