Credit Card Validation

gistfile1.yml

Acme\DV2Bundle\Model\CreditCard:
  properties:
    creditCardNumber:
      - NotBlank: { groups: [flow_checkoutForm_step2]}
      - MinLength: {limit: 15, groups: [flow_checkoutForm_step2]}
      - MaxLength: {limit: 16, groups: [flow_checkoutForm_step2]}
    creditCardCVV:
      - NotBlank: { groups: [flow_checkoutForm_step2]}
      - Regex: { pattern: "/^\d{3,4}$/", message: "Invalid CVV code", groups: [flow_checkoutForm_step2] }
  getters:
    validCCExpiration:
      - "True": { message: "The credit card is expired", groups: [flow_checkoutForm_step2] }
    validCreditCard:
      - "True": {message: "The credit card number is invalid", groups: [flow_checkoutForm_step2] }