Symfony2 Validator Component on a string

Question

I want to do simple validation on a string using symfony2 Validator Component. (This needs to be in symfony 2.0)

$responseEmail = 'somestring';

$validator = new Validator(
    new ClassMetadataFactory(new StaticMethodLoader()),
    new ConstraintValidatorFactory()
);

$constraint = new Assert\Collection(array(
    'responseEmail' => new Assert\Collection(array(
        new Assert\Email(),
        new Assert\NotNull(),
    )),
));

$violations = $validator->validateValue(array('responseEmail' => $responseEmail), $constraint);

This gives me an error:

Expected argument of type array or Traversable and ArrayAccess, string given

Anyone knows why?

Variables don't match is this a typo: $responseMail and $responseEmail? — Mats Rietdijk
– Mats Rietdijk, Commented Nov 1, 2012 at 18:01

Mats Rietdijk · Accepted Answer · 2012-11-01 18:58:41Z

3

At the moment your telling the $constraint that responseEmail is an array.

Try this:

use Symfony\Component\Validator\Validation;
use Symfony\Component\Validator\Constraints as Assert;
...
class ...
{
    public function validationAction()
    {
        $validator = Validation::createValidator();
        $responseEmail = 'somestring';
        $constraint = new Assert\Collection(array(
            'responseEmail' => array(new Assert\Email(), new Assert\NotNull()),
        ));

        $violations = $validator->validateValue(array('responseEmail' => $responseEmail), $constraint);
        ...
    }
}

edited Nov 1, 2012 at 18:58

answered Nov 1, 2012 at 18:06

Mats Rietdijk

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1 Comment

TroodoN-Mike Over a year ago

Yeah you are right. Just a reminder for anyone who is still using 2.0 - for 2.0 use my code as the part of the answer is using 2.1

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