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respect-validation/docs/validators/CreditCard.md
Alexandre Gomes Gaigalas d9cdc118b2 Introduce REUSE compliance 
This commit introduces REUSE compliance by annotating all files
with SPDX information and placing the reused licences in the
LICENSES folder.

We additionally removed the docheader tool which is made obsolete
by this change.

The main LICENSE and copyright text of the project is now not under
my personal name anymore, and it belongs to "The Respect Project
Contributors" instead.

This change restores author names to several files, giving the
appropriate attribution for contributions.
2026-01-21 06:28:11 +00:00

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CreditCard

  • CreditCard()
  • CreditCard(string $brand)

Validates a credit card number.

v::creditCard()->assert('5376 7473 9720 8720');
// Validation passes successfully

v::creditCard()->assert('5376-7473-9720-8720');
// Validation passes successfully

v::creditCard()->assert('5376.7473.9720.8720');
// Validation passes successfully

v::creditCard('American Express')->assert('340316193809364');
// Validation passes successfully

v::creditCard('Diners Club')->assert('30351042633884');
// Validation passes successfully

v::creditCard('Discover')->assert('6011000990139424');
// Validation passes successfully

v::creditCard('JCB')->assert('3566002020360505');
// Validation passes successfully

v::creditCard('MasterCard')->assert('5376747397208720');
// Validation passes successfully

v::creditCard('Visa')->assert('4024007153361885');
// Validation passes successfully

v::creditCard('RuPay')->assert('6062973831636410');
// Validation passes successfully

The current supported brands are:

  • American Express ('American_Express' or CreditCard::AMERICAN_EXPRESS)
  • Diners Club ('Diners_Club' or CreditCard::DINERS_CLUB)
  • Discover ('Discover' or CreditCard::DISCOVER)
  • JCB ('JCB' or CreditCard::JCB)
  • Mastercard ('American_Express' or CreditCard::MASTERCARD)
  • Visa ('Visa' or CreditCard::VISA)
  • RuPay ('RuPay' or CreditCard::RUPAY)

It ignores any non-numeric characters, use Digit, Spaced, or Regex when appropriate.

v::digit()->creditCard()->assert('5376747397208720');
// Validation passes successfully

Templates

CreditCard::TEMPLATE_STANDARD

Mode Template
default {{subject}} must be a valid credit card number
inverted {{subject}} must not be a valid credit card number

CreditCard::TEMPLATE_BRANDED

Mode Template
default {{subject}} must be a valid {{brand|raw}} credit card number
inverted {{subject}} must not be a valid {{brand|raw}} credit card number

Template placeholders

Placeholder Description
brand
subject The validated input or the custom validator name (if specified).

Categorization

  • Banking

Changelog

Version Description
2.2.4 RuPay is now supported as a brand
1.1.0 Allow the define credit card brand
0.3.9 Created

See also: