add diffDays

class HomeController extends AbstractController

{

    private function countFriday13(int $year): iterable {

        $stardDate = new DateTime("{$year}-01-01 Friday");

        $year += 1;

        $endDate = new DateTime("{$year}-01-01");

        $interval = new DateInterval('P7D');

        foreach(new DatePeriod($stardDate, $interval, $endDate) as $day) {

            yield new DateTimeImmutable($day->format("Y-m-d"));

    private function diffDays(DateTimeImmutable $dateStart, DateTimeImmutable $dateEnd): int {

        return date_diff($dateStart, $dateEnd)->format("%a") ;

    }

    }

    #[Route('/{year}', name: 'home')]

    public function home(int $year): Response

    #[Route('/{startDate}/{endDate}', name: 'home')] // 01-01-2024

    public function home(string $startDate, string $endDate): Response

    {

        $fridays = array();

        foreach($this->countFriday13($year) as $date) {

            $fridays[] = $date->format("Y-m-d l");

        }

        return $this->render('home.html.twig', ['fridays' => $fridays]);

        $countDays = $this->diffDays(new DateTimeImmutable($startDate), new DateTimeImmutable($endDate));

        return $this->render('home.html.twig', ['count' => $countDays]);

    }

}

{% block body %}

    <h1>Кол-во пятниц 13 в году: {{ fridays|length }}</h1>

    {% for day in fridays %}

        <p>{{ day }}</p>

    {% endfor %}

    <h1>Кол-во дней между датами: {{ count }}</h1>

{% endblock %}

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