<?php
/*
* This script verifies and logs to a file all received IPN requests.
* You can use it with PayPal IPN Simulator, just upload it to your server
* and specify its path as IPN handler URL:
* https://developer.paypal.com/developer/ipnSimulator/
*
* Make sure that your web server has write access to the folder with this script,
* otherwise you won't see any logs being created.
*/
include dirname(dirname(__FILE__)) . '/src/IpnListener.php';
use dezlov\PayPal\IpnListener;
$listener = new IpnListener();
$listener->use_sandbox = true;
$error = null;
$verified = $listener->tryProcessIpn(null, $error);
$report = $listener->getTextReport();
ipn_log($verified, $report, $error);
function ipn_log($verified, $report, $error)
{
if ($verified) {
$filename = 'ipn_verified.log';
$content = $report;
} else {
$filename = 'ipn_errors.log';
$content = 'ERROR: ' . $error . PHP_EOL . $report;
}
file_put_contents($filename, $content, FILE_APPEND | LOCK_EX);
}
<?php
/*
* A basic script which will verify IPN via the sandbox server.
* If an error occurs inside of processIpn() we will catch it
* and output full text report.
*
* Note that 'echo' commands are just for demonstration purposes.
* In reality, your script is going to be called by PayPal server and you
* will not actually see the output unless you log it somewhere on your server.
*/
include dirname(dirname(__FILE__)) . '/src/IpnListener.php';
use dezlov\PayPal\IpnListener;
$listener = new IpnListener();
$listener->use_sandbox = true;
try {
$verified = $listener->processIpn();
if ($verified) {
echo 'IPN request was "VERIFIED".' . PHP_EOL;
} else {
echo 'IPN request was "INVALID".' . PHP_EOL;
}
} catch (Exception $e) {
echo 'IPN error: ' . $e->getMessage() . PHP_EOL;
echo $listener->getTextReport();
}
throw new Exception('Unable to process IPN due to issues with price/currency');
}
// If we got this far, then its ok to fulfil the order
$item_name = $listener->getData('item_name');
$item_number = $listener->getData('item_number');
$payer_name = trim($listener->getData('first_name') . ' ' . $listener->getData('last_name'));
$payer_email = $listener->getData('payer_email');
process_order($transaction_id, $item_name, $item_number, $payer_name, $payer_email);
// Tell PayPal that we have successfully processing IPN.
header('HTTP/1.1 200 OK');
} catch (Exception $e) {
// Tell PayPal that we had problems processing IPN.
header('HTTP/1.1 500 Internal Server Error');
// Report error message.
$message = 'IPN error: ' . (string) $e;
$message .= PHP_EOL . PHP_EOL . $listener->getTextReport();
report_problem($message);
}
function process_order($transaction_id, $item_name, $item_number, $payer_name, $payer_email)
{
// For example: Fulfil the order, save details in the database.
}
function check_price($total, $currency)
{
// For example: Check that payment matches your advertised price.
return true;
}
function check_receiver_email($email)
{
// For example: Check that email matches your PayPal account.
return true;