Home/ Manual/ ds / set/ Ds\Set::sort

Ds\Set::sort

PHP function Edit on GitHub ✎

(PECL ds >= 1.0.0)

Sorts the set in-place

Description

Ds\Set::sort([callable $comparator]): void

Sorts the set in-place, using an optional comparator function.

Void

php

<?php
$set = new \Ds\Set([4, 5, 1, 3, 2]);
$set->sort();

print_r($set);
?>

The above example will output something similar to:

output

Ds\Set Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
)

Ds\Set::sort() example using a comparator

php

<?php
$set = new \Ds\Set([4, 5, 1, 3, 2]);

$set->sort(function($a, $b) {
    return $b <=> $a;
});

print_r($set);
?>

The above example will output something similar to:

output

Ds\Set Object
(
    [0] => 5
    [1] => 4
    [2] => 3
    [3] => 2
    [4] => 1
)

Source: reference/ds/ds/set/sort.xml · from the official PHP manual (php/doc-en)