<form method="POST">
    <h3>Editing: HtmlDecorator.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell &lt;colinodell@gmail.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Renderer;

use League\CommonMark\Node\Node;
use League\CommonMark\Util\HtmlElement;

final class HtmlDecorator implements NodeRendererInterface
{
    private NodeRendererInterface $inner;
    private string $tag;
    /** @var array&lt;string, string|string[]|bool&gt; */
    private array $attributes;
    private bool $selfClosing;

    /**
     * @param array&lt;string, string|string[]|bool&gt; $attributes
     */
    public function __construct(NodeRendererInterface $inner, string $tag, array $attributes = [], bool $selfClosing = false)
    {
        $this-&gt;inner       = $inner;
        $this-&gt;tag         = $tag;
        $this-&gt;attributes  = $attributes;
        $this-&gt;selfClosing = $selfClosing;
    }

    /**
     * {@inheritDoc}
     */
    public function render(Node $node, ChildNodeRendererInterface $childRenderer)
    {
        return new HtmlElement($this-&gt;tag, $this-&gt;attributes, $this-&gt;inner-&gt;render($node, $childRenderer), $this-&gt;selfClosing);
    }
}
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