New in Symfony 2.2: Payment related validators

December 12, 2012 Fabien Potencier

Contributed by
Tim Nagel
in #4734 and #5072.

If you are developing an e-commerce solution based on Symfony2, you might want to validate a credit card number before sending it to your payment gateway. Doing so is very simple in Symfony 2.2 thanks to the Luhn algorithm and its implementation as a validator:

// src/Acme/SubscriptionBundle/Entity/Transaction.php

use Symfony\Component\Validator\Constraints as Assert;

class Transaction
{
    /**
     * @Assert\Luhn(message = "Please check your credit card number.")
     */
    protected $cardNumber;
}

You can also check the card scheme thanks to Symfony\Component\Validator\Constraints\CardSchemeValidator.

New in Symfony 2.2: Payment related validators symfony.com/blog/new-in-symfony-2-2-payment-related-validators

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Comments

Kirill said on Dec 12, 2012 at 12:33 #1

that is great

Name said on Dec 12, 2012 at 12:34 #2

Wow! It's awesome!

Max Małecki said on Dec 12, 2012 at 12:43 #3

Great job! Financial validators was most buggy place when somebody wrote it in project!

Saša Stamenković said on Dec 12, 2012 at 12:47 #4

Cool. I was using https://github.com/umpirsky/zymfony-validator for this.

Saša Stamenković said on Dec 12, 2012 at 12:49 #5

BTW, it would be nice to notify translators to provide translation for this new message in as many languages as possible.

Elodie IRDOR said on Dec 12, 2012 at 13:37 #6

Nice!

Francis Hilaire said on Dec 12, 2012 at 14:09 #7

It's not a Luhn validator, This validator is a number check, php implementation of Luhn algorithm can be found here http://rosettacode.org/wiki/Luhn_test_of_credit_card_numbers#PHP

abdelaziz ben ahmed said on Dec 12, 2012 at 15:30 #8

good job

Pascal Borreli said on Dec 12, 2012 at 17:51 #9

@Francis it is the real luhn algorithm, check : https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Validator/Constraints/LuhnValidator.php#L49

Darren Black said on Dec 12, 2012 at 22:53 #10

Wow, I'm loving these 'New in SF2' articles - nice way to communicate the changes without me looking for new features in change logs etc.

Chang Long said on Dec 14, 2012 at 02:56 #11

User may need multi language here.

Francis Hilaire said on Dec 14, 2012 at 09:34 #12

@Pascal that'll teach me to read the articles too fast, thank you for providing the link

Michal Klik said on Dec 17, 2012 at 22:10 #13

Thumbs up!

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