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Symfony
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Validator
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Constraints
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AbstractComparison.php
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AbstractComparisonValidator.php
(2.22 KB)
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All.php
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AllValidator.php
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Blank.php
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BlankValidator.php
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Callback.php
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CallbackValidator.php
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CardScheme.php
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CardSchemeValidator.php
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Choice.php
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ChoiceValidator.php
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Collection
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Collection.php
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CollectionValidator.php
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Count.php
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CountValidator.php
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Country.php
(520 B)
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CountryValidator.php
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Currency.php
(522 B)
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CurrencyValidator.php
(1.25 KB)
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Date.php
(514 B)
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DateTime.php
(522 B)
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DateTimeValidator.php
(510 B)
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DateValidator.php
(1.25 KB)
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Email.php
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EmailValidator.php
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EqualTo.php
(489 B)
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EqualToValidator.php
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Existence.php
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Expression.php
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ExpressionValidator.php
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False.php
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FalseValidator.php
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File.php
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FileValidator.php
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GreaterThan.php
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GreaterThanOrEqual.php
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GreaterThanOrEqualValidator.php
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GreaterThanValidator.php
(610 B)
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GroupSequence.php
(630 B)
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GroupSequenceProvider.php
(399 B)
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Iban.php
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IbanValidator.php
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IdenticalTo.php
(523 B)
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IdenticalToValidator.php
(598 B)
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Image.php
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ImageValidator.php
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Ip.php
(1.99 KB)
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IpValidator.php
(2.64 KB)
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Isbn.php
(1.29 KB)
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IsbnValidator.php
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Issn.php
(578 B)
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IssnValidator.php
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Language.php
(522 B)
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LanguageValidator.php
(1.25 KB)
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Length.php
(1.54 KB)
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LengthValidator.php
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LessThan.php
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LessThanOrEqual.php
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LessThanOrEqualValidator.php
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LessThanValidator.php
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Locale.php
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LocaleValidator.php
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Luhn.php
(476 B)
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LuhnValidator.php
(1.9 KB)
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NotBlank.php
(518 B)
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NotBlankValidator.php
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NotEqualTo.php
(496 B)
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NotEqualToValidator.php
(597 B)
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NotIdenticalTo.php
(530 B)
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NotIdenticalToValidator.php
(604 B)
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NotNull.php
(516 B)
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NotNullValidator.php
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Null.php
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NullValidator.php
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Optional.php
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Range.php
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RangeValidator.php
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Regex.php
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RegexValidator.php
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Required.php
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Time.php
(514 B)
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TimeValidator.php
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True.php
(509 B)
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TrueValidator.php
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Type.php
(774 B)
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TypeValidator.php
(1.39 KB)
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Url.php
(560 B)
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UrlValidator.php
(3.59 KB)
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Valid.php
(907 B)
Editing: LuhnValidator.php
<?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); } } }
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