symfony/validator: how to validate string as int

Question

I created a contoller in Symfony that will be handle API requests. I want to validate action request. Parameter 'type' of the request must be integer. There is controller action code:

public function store(ValidatorInterface $validator, Request $request): JsonResponse
{
    $collection = new Collection([
        'type' => [
            new Assert\Type('int'),
            new Assert\Range(['min' => 1, 'max' => 2])
        ]
    ]);

    $errors = $validator->validate($request->request->all(), $collection);
    if ($errors->count()) {
        dd($errors);
    }

    return new JsonResponse('OK');
}

But when I tested this action via Postman, validation is failed with error "This value should be of type int." event if I send response with int value:

What is the right way to validate int param or string param as int in Symfony?

I'm pretty sure your problem is that form-data sends everything as strings (I might be wrong). But one way to overcome this would be to send json. — Julien B.
– Julien B., Commented Oct 4, 2022 at 1:15

Artem · Accepted Answer · 2024-12-27 11:09:07Z

4

You can use the digit type for the type validator. Then the validator will check the type via the ctype_digit function

new Assert\Type('digit'),

edited Dec 27, 2024 at 11:09

answered Oct 3, 2022 at 10:54

Artem

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