Util::getArticleUrlByCode

static function getArticleUrlByCode(string $code): ?string
{
	if (preg_match('/([w]+)/', $code, $matches))
	{
		$articleUrl = self::getHelpdeskUrl();
		$articleUrl .= '/open/code_' . $code . '/';

		return $articleUrl;
	}

	return null;
}