ArrayObject asort() Function in PHP

The asort() function of the ArrayObject class in PHP is used to sort all of the entries of the ArrayObject according to the values. The elements are arranged according to the values keeping the maintaining the association of the keys with the value.

Syntax:

void asort()  

Parameters: This function does not accepts any parameters.

Return Value: This function does not returns any value.

Below programs illustrate the above function:

Program 1:

<?php
// PHP program to illustrate the
// asort() function

$arr = array("a" => "geeks", "b" => "are", "c" => "awesome");

$arrObject = new ArrayObject($arr);

// Sort the ArrayObject
$arrObject->asort();

print_r($arrObject);

?>

Output:

ArrayObject Object
(
    [storage:ArrayObject:private] => Array
        (
            [b] => are
             => awesome
            [a] => geeks
        )

)

Program 2:

<?php
// PHP program to illustrate the
// asort() function

$arr = array("a" => "welcome", "b" => "to", "c" => "gfg");

$arrObject = new ArrayObject($arr);

// Sort the ArrayObject
$arrObject->asort();

print_r($arrObject);

?>

Output:

ArrayObject Object
(
    [storage:ArrayObject:private] => Array
        (
             => gfg
            [b] => to
            [a] => welcome
        )

)

Reference: http://php.net/manual/en/arrayobject.asort.php