59 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			59 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
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								<?php
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								/*
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								 * This file is part of the Symfony package.
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								 *
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								 * (c) Fabien Potencier <fabien@symfony.com>
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								 *
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								 * For the full copyright and license information, please view the LICENSE
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								 * file that was distributed with this source code.
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								 */
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								namespace Symfony\Component\Validator\Constraints;
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								use Symfony\Component\Validator\Attribute\HasNamedArguments;
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								use Symfony\Component\Validator\Constraint;
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								/**
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								 * Validates that a value (typically a credit card number) passes the Luhn algorithm.
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								 *
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								 * @see https://en.wikipedia.org/wiki/Luhn_algorithm
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								 *
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								 * @author Tim Nagel <t.nagel@infinite.net.au>
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								 * @author Greg Knapp http://gregk.me/2011/php-implementation-of-bank-card-luhn-algorithm/
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								 * @author Bernhard Schussek <bschussek@gmail.com>
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								 */
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								#[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
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								class Luhn extends Constraint
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								{
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								    public const INVALID_CHARACTERS_ERROR = 'dfad6d23-1b74-4374-929b-5cbb56fc0d9e';
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								    public const CHECKSUM_FAILED_ERROR = '4d760774-3f50-4cd5-a6d5-b10a3299d8d3';
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								    protected const ERROR_NAMES = [
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								        self::INVALID_CHARACTERS_ERROR => 'INVALID_CHARACTERS_ERROR',
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								        self::CHECKSUM_FAILED_ERROR => 'CHECKSUM_FAILED_ERROR',
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								    ];
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								    public string $message = 'Invalid card number.';
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								    /**
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								     * @param array<string,mixed>|null $options
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								     * @param string[]|null            $groups
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								     */
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								    #[HasNamedArguments]
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								    public function __construct(
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								        ?array $options = null,
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								        ?string $message = null,
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								        ?array $groups = null,
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								        mixed $payload = null,
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								    ) {
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								        if (\is_array($options)) {
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								            trigger_deprecation('symfony/validator', '7.3', 'Passing an array of options to configure the "%s" constraint is deprecated, use named arguments instead.', static::class);
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								        }
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								        parent::__construct($options, $groups, $payload);
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								        $this->message = $message ?? $this->message;
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								    }
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								}
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