CountValidator.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class CountValidator extends ConstraintValidator
{
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Count) {
throw new UnexpectedTypeException($constraint, Count::class);
}
if (null === $value) {
return;
}
if (!\is_array($value) && !$value instanceof \Countable) {
throw new UnexpectedValueException($value, 'array|\Countable');
}
$count = \count($value);
if (null !== $constraint->max && $count > $constraint->max) {
$this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
->setParameter('{{ count }}', $count)
->setParameter('{{ limit }}', $constraint->max)
->setInvalidValue($value)
->setPlural((int) $constraint->max)
->setCode(Count::TOO_MANY_ERROR)
->addViolation();
return;
}
if (null !== $constraint->min && $count < $constraint->min) {
$this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
->setParameter('{{ count }}', $count)
->setParameter('{{ limit }}', $constraint->min)
->setInvalidValue($value)
->setPlural((int) $constraint->min)
->setCode(Count::TOO_FEW_ERROR)
->addViolation();
}
}
}