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1 | <?php |
2 | /** |
3 | * Jingga |
4 | * |
5 | * PHP Version 8.1 |
6 | * |
7 | * @package phpOMS\Algorithm\Sort; |
8 | * @copyright Dennis Eichhorn |
9 | * @license OMS License 2.0 |
10 | * @version 1.0.0 |
11 | * @link https://jingga.app |
12 | */ |
13 | declare(strict_types=1); |
14 | |
15 | namespace phpOMS\Algorithm\Sort; |
16 | |
17 | /** |
18 | * SelectionSort class. |
19 | * |
20 | * @package phpOMS\Algorithm\Sort; |
21 | * @license OMS License 2.0 |
22 | * @link https://jingga.app |
23 | * @since 1.0.0 |
24 | */ |
25 | final class SelectionSort implements SortInterface |
26 | { |
27 | /** |
28 | * Constructor |
29 | * |
30 | * @since 1.0.0 |
31 | * @codeCoverageIgnore |
32 | */ |
33 | private function __construct() |
34 | { |
35 | } |
36 | |
37 | /** |
38 | * {@inheritdoc} |
39 | */ |
40 | public static function sort(array $list, int $order = SortOrder::ASC) : array |
41 | { |
42 | $n = \count($list); |
43 | |
44 | if ($n < 2) { |
45 | return $list; |
46 | } |
47 | |
48 | for ($i = 0; $i < $n - 1; ++$i) { |
49 | $min = $i; |
50 | |
51 | for ($j = $i + 1; $j < $n; ++$j) { |
52 | if (!$list[$j]->compare($list[$min], $order)) { |
53 | $min = $j; |
54 | } |
55 | } |
56 | |
57 | if ($min !== $i) { |
58 | $old = $list[$i]; |
59 | $list[$i] = $list[$min]; |
60 | $list[$min] = $old; |
61 | } |
62 | } |
63 | |
64 | return $list; |
65 | } |
66 | } |