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<?php
/*
* 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.
*/
declare(strict_types=1);
namespace League\CommonMark\Normalizer;
final class UniqueSlugNormalizer implements TextNormalizerInterface
{
/** @var SlugNormalizer */
private $slugNormalizer;
/** @var array<string, int> */
private $usages;
public function __construct()
$this->slugNormalizer = new SlugNormalizer();
}
public function normalize(string $text, $context = null): string
$slug = $this->slugNormalizer->normalize($text, $context);
if (!isset($this->usages[$slug])) {
$this->usages[$slug] = 1;
return $slug;
$count = $this->usages[$slug]++;
return $slug . '-' . $count;
thephpleague /
commonmark
