PHP PayPal API Class

Class for handling Express Checkout and Direct Payment Using PayPal's NVP API.

License: MIT Copyright (c) 2011 Kelly Lauren Summer Becker
Version: 1.1

Country and State Codes are listing in arrays at the bottom of the Class these are in the proper format for PayPal already.

Express Checkout USAGE

Call PayPal and goto their site for checkout.

<?php
$paypal->express_checkout(array(
	'RETURN' => 'http://my.return/handler.php',
 	'CANCEL' => 'http://my.cancel/handler.php',
 	'INVNUM' => 'Invoice Number',
 	'ITEMS' => array(
 		'1' => array(
 			'NAME' => 'Item Name',
 			'QTY' => 'Item Quantity',
 			'AMT' => 'Item Price'
 		)
 	)
 ), 'checkout');

Return to our site and process/finalize the order

<?php
$paypal->express_checkout(array(
	'IPN_URL' => 'http://my.ipn/handler.php'
), 'process');

Direct Payments Usage

(untested due to paypal not having website payments pro test site easily available)

<?php
$paypal->direct_payment(array(
	'IPN_URL' => 'http://my.ipn/handler.php',
	'INVNUM' => 'Invoice Number',
   'CREDITCARD_TYPE' => 'Master, Visa, Discover, Amex',
	'CREDITCARD_NUM' => 'Credit Card Number',
	'CVV' => 'Credit Card CVV Code (3-4 digits)',
	'EXPIRY' => 'Credit Card Expiry Date MMYYYY',
	'FNAME' => 'First Name',
	'LNAME' => 'Last Name',
	'STREET' => 'Street Address',
	'CITY' => 'City',
	'STATE' => 'State Code',
	'COUNTRY' => 'Country'
	'ITEMS' => array(
		'1' => array(
			'NAME' => 'Item Name',
			'QTY' => 'Item Quantity',
			'AMT' => 'Item Price'
		)
	)
);

IPN Processor Usage

<?php
$this->process_ipn();