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opt
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php54
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usr
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share
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pear
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Symfony
/
Component
/
Validator
/
Constraints
<?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; /** * 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. * * @see http://en.wikipedia.org/wiki/Luhn_algorithm * @author Tim Nagel <t.nagel@infinite.net.au> * @author Greg Knapp http://gregk.me/2011/php-implementation-of-bank-card-luhn-algorithm/ */ class LuhnValidator extends ConstraintValidator { /** * Validates a creditcard number with the Luhn algorithm. * * @param mixed $value * @param Constraint $constraint */ public function validate($value, Constraint $constraint) { if (null === $value || '' === $value) { return; } /** * need to work with strings only because long numbers are treated as floats and don't work with strlen */ if (!is_string($value)) { throw new UnexpectedTypeException($value, 'string'); } if (!is_numeric($value)) { $this->context->addViolation($constraint->message); return; } $length = strlen($value); $oddLength = $length % 2; for ($sum = 0, $i = $length - 1; $i >= 0; $i--) { $digit = (int) $value[$i]; $sum += (($i % 2) === $oddLength) ? array_sum(str_split($digit * 2)) : $digit; } if ($sum === 0 || ($sum % 10) !== 0) { $this->context->addViolation($constraint->message); } } }
[-] Country.php
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[-] Type.php
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[-] All.php
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[-] DateTimeValidator.php
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[-] NotEqualToValidator.php
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[-] GreaterThanOrEqualValidator.php
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[-] Length.php
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[-] Email.php
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[-] RangeValidator.php
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[+]
..
[-] TypeValidator.php
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[-] False.php
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[-] Language.php
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[-] BlankValidator.php
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[-] GreaterThan.php
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[-] EqualToValidator.php
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[-] FalseValidator.php
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[-] NotNull.php
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[-] Image.php
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[-] DateValidator.php
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[-] IdenticalTo.php
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[-] CardScheme.php
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[-] Luhn.php
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[-] CurrencyValidator.php
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[-] Required.php
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[-] Date.php
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[-] Valid.php
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[-] LanguageValidator.php
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[-] DateTime.php
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[-] Regex.php
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[-] LuhnValidator.php
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[-] UrlValidator.php
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[-] Currency.php
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[-] NotBlank.php
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[-] NotBlankValidator.php
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[-] LessThanOrEqual.php
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[-] CountryValidator.php
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[-] GroupSequence.php
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[-] AbstractComparisonValidator.php
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[-] Existence.php
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[-] EmailValidator.php
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[-] GroupSequenceProvider.php
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[-] Ip.php
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[-] Expression.php
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[-] Count.php
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[-] Choice.php
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[-] Null.php
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[-] EqualTo.php
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[-] IssnValidator.php
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[-] LessThan.php
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[-] GreaterThanValidator.php
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[-] ImageValidator.php
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[-] Range.php
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[-] NotIdenticalTo.php
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[-] LocaleValidator.php
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[-] IbanValidator.php
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[-] CollectionValidator.php
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[-] Isbn.php
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[-] ExpressionValidator.php
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[-] FileValidator.php
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[-] AllValidator.php
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[-] CallbackValidator.php
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[-] Blank.php
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[-] NullValidator.php
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[-] Locale.php
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[-] TrueValidator.php
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[-] Iban.php
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[-] True.php
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[-] IdenticalToValidator.php
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[-] NotEqualTo.php
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[-] Time.php
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[-] CardSchemeValidator.php
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[-] Collection.php
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[-] TimeValidator.php
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[-] LessThanOrEqualValidator.php
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[-] Optional.php
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[+]
Collection
[-] Callback.php
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[-] Issn.php
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[-] NotNullValidator.php
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[-] Url.php
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[-] LessThanValidator.php
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[-] ChoiceValidator.php
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[-] GreaterThanOrEqual.php
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[-] IsbnValidator.php
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[-] AbstractComparison.php
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[-] IpValidator.php
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[-] File.php
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[-] CountValidator.php
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[-] RegexValidator.php
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[-] LengthValidator.php
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[-] NotIdenticalToValidator.php
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