# src/Controller/UserPictureController.php

namespace App\Controller;

use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Attribute\AsController;
use Symfony\Component\HttpKernel\Attribute\MapUploadedFile;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Validator\Constraints as Assert;

#[AsController]
final class UserPictureController
{
    #[Route('/user/picture', methods: ['PUT'])]
    public function __invoke(
        #[MapUploadedFile(
            new Assert\File(mimeTypes: ['image/png', 'image/jpeg']),
        )] ?UploadedFile $picture,
    ): Response {
        return new Response('Your picture was updated');
    }
}

# src/Controller/UserDocumentsController.php

namespace App\Controller;

use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Attribute\AsController;
use Symfony\Component\HttpKernel\Attribute\MapUploadedFile;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Validator\Constraints as Assert;

final class UserDocumentsController
{
    #[Route('/user/documents', methods: ['PUT'])]
    public function __invoke(
        #[MapUploadedFile(
            new Assert\File(mimeTypes: ['application/pdf'])
        )] array $documents
    ): Response {
        return new Response('Thanks for sharing your documents');
    }
}

# src/Controller/UserDocumentsController.php

namespace App\Controller;

use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Attribute\AsController;
use Symfony\Component\HttpKernel\Attribute\MapUploadedFile;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Validator\Constraints as Assert;

final class UserDocumentsController
{
    #[Route('/user/documents', methods: ['PUT'])]
    public function __invoke(
        #[MapUploadedFile(
            new Assert\File(mimeTypes: ['application/pdf'])
        )] UploadedFile ...$documents
    ): Response {
        return new Response('Thanks for sharing your documents');
    }
}