PHP
PayPal Integration
PayPal is a payment processing system, We can integrate PayPal with websites by using with php.
PayPal
integration file system
PayPal integration file system included 4 files as
shown below.
·
constants.php − This file has
included API user name, password and signature.
·
CallerService.php − This file
has included PayPal Services, which is used to call PayPal services.
·
confirmation.php − This file
has included a form with minimum fields required to make payment process and it
will return payment success or failure.
·
PayPal_entry.php − This page
has used to send the user the data to PayPal. It acts as an adapter between
PayPal and user form.
The
zip file contains four php files, We don't need to change any file except
constants.php
The constants.php file
contains code as shown below −
<?php
define('API_USERNAME', 'YOUR
USER NAME HERE');
define('API_PASSWORD', 'YOUR
PASSWORD HERE');
define('API_SIGNATURE', 'YOUR
API SIGNATURE HERE');
define('API_ENDPOINT', 'https://api-3t.paypal.com/nvp');
define('USE_PROXY',FALSE);
define('PROXY_HOST', '127.0.0.1');
define('PROXY_PORT', '808');
define('PAYPAL_URL', 'https://www.PayPal.com/webscr&cmd=_express-checkout&token=');
define('VERSION', '53.0');
?>
The user will declare User Name, password and
signature in above syntax which are placed in constants.php.
This is an experimental example so the last amount will be added to sandbox's
account.