HomeController.php

<?php

namespace App\Controller;

use DateInterval;
use DatePeriod;
use DateTime;
use DateTimeImmutable;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

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"));
        }
    }


    #[Route('/{year}', name: 'home')]
    public function home(int $year): Response
    {
        $fridays = array();
        foreach($this->countFriday13($year) as $date) {
            $fridays[] = $date->format("Y-m-d l");
        }
        return $this->render('home.html.twig', ['fridays' => $fridays]);
    }
}