LuhnValidator
class LuhnValidator extends ConstraintValidator
Validates a PAN using the LUHN Algorithm.
For a list of example card numbers that are used to test this class, please see the LuhnValidatorTest class.
Constants
| PRETTY_DATE | Whether to format {@link \DateTime} objects as RFC-3339 dates ("Y-m-d H:i:s"). |
| OBJECT_TO_STRING | Whether to cast objects with a "__toString()" method to strings. |
Methods
| initialize(ExecutionContextInterface $context) Initializes the constraint validator. | from ConstraintValidator | |
| validate(mixed $value, Constraint $constraint) Validates a credit card number with the Luhn algorithm. |
Details
initialize(ExecutionContextInterface $context)
Initializes the constraint validator.
Parameters
| ExecutionContextInterface | $context | The current validation context |
validate(mixed $value, Constraint $constraint)
Validates a credit card number with the Luhn algorithm.
Parameters
| mixed | $value | The value that should be validated |
| Constraint | $constraint | The constraint for the validation |
Exceptions
| UnexpectedTypeException | when the given credit card number is no string |
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/4.0/Symfony/Component/Validator/Constraints/LuhnValidator.html