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3
1<?php
2declare(strict_types=1);
3/**
4 * Pop PHP Framework (https://www.popphp.org/)
5 *
6 * @link       https://github.com/popphp/popphp-framework
7 * @author     Nick Sagona, III <nick@popphp.org>
8 * @copyright  Copyright (c) 2009-2026 Nick Sagona, III
9 * @license    https://www.popphp.org/license     New BSD License
10 */
11
12/**
13 * @namespace
14 */
15namespace Pop\Form\Element\Select;
16
17use Pop\Dom\Child;
18
19/**
20 * Form select optgroup element class
21 *
22 * @category   Pop
23 * @package    Pop\Form
24 * @author     Nick Sagona, III <nick@popphp.org>
25 * @copyright  Copyright (c) 2009-2026 Nick Sagona, III
26 * @license    https://www.popphp.org/license     New BSD License
27 * @version    5.0.0
28 */
29
30class Optgroup extends Child
31{
32
33    /**
34     * Constructor
35     *
36     * Instantiate the option element object
37     *
38     * @param  ?string $value
39     * @param  array   $options
40     */
41    public function __construct(?string $value = null, array $options = [])
42    {
43        parent::__construct('optgroup', $value, $options);
44    }
45
46    /**
47     * Add an option element
48     *
49     * @param  Child $option
50     * @return Optgroup
51     */
52    public function addOption(Child $option): Optgroup
53    {
54        $this->addChild($option);
55        return $this;
56    }
57
58    /**
59     * Add option elements
60     *
61     * @param  array $options
62     * @return Optgroup
63     */
64    public function addOptions(array $options): Optgroup
65    {
66        $this->addChildren($options);
67        return $this;
68    }
69
70    /**
71     * Get option elements
72     *
73     * @return array
74     */
75    public function getOptions(): array
76    {
77        $options = [];
78
79        foreach ($this->childNodes as $child) {
80            if ($child instanceof Option) {
81                $options[] = $child;
82            }
83        }
84
85        return $options;
86    }
87
88}