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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <[email protected]>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\HeadingPermalink\SlugGenerator;
use League\CommonMark\Extension\CommonMark\Node\Block\HtmlBlock;
use League\CommonMark\Extension\CommonMark\Node\Inline\HtmlInline;
use League\CommonMark\Node\Node;
use League\CommonMark\Node\StringContainerHelper;
/**
* Creates URL-friendly strings based on the inner contents of a node and its descendants
final class DefaultSlugGenerator implements SlugGeneratorInterface
{
public function generateSlug(Node $node): string
$childText = StringContainerHelper::getChildText($node, [HtmlBlock::class, HtmlInline::class]);
return self::slugifyText($childText);
}
* @internal This method is only public to facilitate internal testing. DO NOT RELY ON ITS EXISTENCE OR BEHAVIOR!
public static function slugifyText(string $text): string
// Trim whitespace
$slug = \trim($text);
// Convert to lowercase
$slug = \mb_strtolower($slug);
// Try replacing whitespace with a dash
$slug = \preg_replace('/\s+/u', '-', $slug) ?? $slug;
// Try removing characters other than letters, numbers, and marks.
$slug = \preg_replace('/[^\p{L}\p{Nd}\p{Nl}\p{M}-]+/u', '', $slug) ?? $slug;
return $slug;
thephpleague /
commonmark
