GoPayPal - PHP PayPal Payment API Helper

This class can generate HTML for Paypal buttons and forms.

It can set a list of parameters for the payments and generates HTML to embed in pages several types of buttons and forms to redirect the user to perform the specified payments in the PayPal site.

Currently it can generate buy now buttons, donate buttons, buy gift certificate buttons, buy subscription buttons, add a product to a shopping cart and display the cart and upload a multiple products to buy from a third party shopping cart.

Features

Generate HTML Forms for PayPal API, including Buy now, Donations, Subscriptions, Shopping carts and Gift certificates.
Process PayPal payments and return transactions from PayPal so you can do all processing.

Supported PayPal API

Buy Now
Subscriptions
Donations
Buy Gift Certificates
Add To Cart
Single Item with PayPal Shopping Cart
Multiple Items with Third Party Shopping Cart

Pre-defined constants for all API types

These following constants are needed to use when creating GoPayPal class instant

BUY_NOW - Buy Now button implementation
ADD_TO_CART - Add To Cart button implementation
PAYPAY_CART - Indivitual items with PayPal shopping cart implementation
THIRD_PARTY_CART - Third-party shopping cart implementation with multiple items
DONATE - Donate button implementation
GIFT_CERTIFICATE - Buy Gift Certificate button implementation
SUBSCRIBE - Subscribe button implementation

Documentation for HTML variables

HTML Variables for PayPal Website Payments Standard

Examples

All API usages are available in the examples directory