public function CurrencyValidator::validate in Plug 7

Checks if the passed value is valid.

@api

Parameters

mixed $value The value that should be validated:

Constraint $constraint The constraint for the validation:

Overrides ConstraintValidatorInterface::validate

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/CurrencyValidator.php, line 31

Class

CurrencyValidator

Validates whether a value is a valid currency.

Namespace

Symfony\Component\Validator\Constraints

Code

public function validate($value, Constraint $constraint) {
  if (!$constraint instanceof Currency) {
    throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\Currency');
  }
  if (null === $value || '' === $value) {
    return;
  }
  if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
    throw new UnexpectedTypeException($value, 'string');
  }
  $value = (string) $value;
  $currencies = Intl::getCurrencyBundle()
    ->getCurrencyNames();
  if (!isset($currencies[$value])) {
    $this
      ->buildViolation($constraint->message)
      ->setParameter('{{ value }}', $this
      ->formatValue($value))
      ->addViolation();
  }
}