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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Respect\Validation\Rules; |
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use Respect\Validation\Exceptions\ComponentException; |
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use function array_keys; |
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use function implode; |
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use function is_scalar; |
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use function preg_match; |
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use function preg_replace; |
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/** |
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* Validates whether the input is a credit card number. |
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* |
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* @author Andy Snell <[email protected]> |
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* @author Henrique Moody <[email protected]> |
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* @author Jean Pimentel <[email protected]> |
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* @author Alexander <[email protected]> |
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* @author Nick Lombard <[email protected]> |
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* @author William Espindola <[email protected]> |
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*/ |
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final class CreditCard extends AbstractRule |
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{ |
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/** |
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* @var string |
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*/ |
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public const ANY = 'Any'; |
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/** |
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* @var string |
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*/ |
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public const AMERICAN_EXPRESS = 'American Express'; |
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/** |
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* @var string |
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*/ |
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public const DINERS_CLUB = 'Diners Club'; |
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/** |
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* @var string |
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*/ |
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public const DISCOVER = 'Discover'; |
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/** |
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* @var string |
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*/ |
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public const JCB = 'JCB'; |
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/** |
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* @var string |
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*/ |
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public const MASTERCARD = 'MasterCard'; |
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/** |
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* @var string |
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*/ |
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public const VISA = 'Visa'; |
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/** |
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* @var array |
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*/ |
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private const BRAND_REGEX_LIST = [ |
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self::ANY => '/^[0-9]+$/', |
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self::AMERICAN_EXPRESS => '/^3[47]\d{13}$/', |
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self::DINERS_CLUB => '/^3(?:0[0-5]|[68]\d)\d{11}$/', |
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self::DISCOVER => '/^6(?:011|5\d{2})\d{12}$/', |
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self::JCB => '/^(?:2131|1800|35\d{3})\d{11}$/', |
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self::MASTERCARD => '/(5[1-5]|2[2-7])\d{14}$/', |
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self::VISA => '/^4\d{12}(?:\d{3})?$/', |
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]; |
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/** |
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* @var string |
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*/ |
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private $brand; |
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/** |
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* Initializes the rule. |
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* |
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* @param string $brand |
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* |
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* @throws ComponentException |
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*/ |
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public function __construct(string $brand = self::ANY) |
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{ |
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if (!isset(self::BRAND_REGEX_LIST[$brand])) { |
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throw new ComponentException( |
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sprintf( |
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'"%s" is not a valid credit card brand (Available: %s)', |
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$brand, |
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implode(', ', array_keys(self::BRAND_REGEX_LIST)) |
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) |
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); |
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} |
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$this->brand = $brand; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validate($input): bool |
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{ |
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if (!is_scalar($input)) { |
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return false; |
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} |
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$input = preg_replace('/[ .-]/', '', (string) $input); |
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if (!(new Luhn())->validate($input)) { |
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return false; |
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} |
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return preg_match(self::BRAND_REGEX_LIST[$this->brand], $input) > 0; |
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} |
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} |
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Respect /
Validation
