PHP Credit Card Validator

Validates popular debit and credit cards numbers against regular expressions and Luhn algorithm. Also validates the CVC and the expiration date.

Installation

Require the package in composer.json

"require": {
    "inacho/php-credit-card-validator": "1.*"
},

If you are using Laravel, add an alias in config/app.php

'aliases' => array(

    'App'             => 'Illuminate\Support\Facades\App',
    ...
    'View'            => 'Illuminate\Support\Facades\View',

    'CreditCard'      => 'Inacho\CreditCard',

),

Usage

Validate a card number knowing the type:

$card = CreditCard::validCreditCard('5500005555555559', CreditCard::TYPE_MASTERCARD);
print_r($card);

Output:

Array
(
    [valid] => true
    [number] => 5500005555555559
    [type] => mastercard
)

Validate a card number using a range of allowed types:

$card = CreditCard::validCreditCard('5500005555555559', array(CreditCard::TYPE_VISA, CreditCard::TYPE_MASTERCARD));
print_r($card);

Output:

Array
(
    [valid] => true
    [number] => 5500005555555559
    [type] => mastercard
)

$card = CreditCard::validCreditCard('371449635398431', array(CreditCard::TYPE_VISA, CreditCard::TYPE_MASTERCARD));
print_r($card);

Output:

Array
(
    [valid] => false
    [number] => 
    [type] => 
)

Validate a card number and return the type:

$card = CreditCard::validCreditCard('371449635398431');
print_r($card);

Output:

Array
(
    [valid] => true
    [number] => 371449635398431
    [type] => amex
)

Validate the CVC

$validCvc = CreditCard::validCvc('234', CreditCard::TYPE_VISA);
var_dump($validCvc);

Output:

bool(true)

Validate the expiration date

$validDate = CreditCard::validDate('2013', '07'); // past date
var_dump($validDate);

Output:

bool(false)

Tests

Execute the following command to run the unit tests:

vendor/bin/phpunit