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- FROM THE PAYPAL WEBSITE YOU STILL NEED TO LRN2PHP TO ADD YOR OWN PART TO MAKE IT WORK KTHX
- // PHP 4.1
- // read the post from PayPal system and add 'cmd'
- $req = 'cmd=_notify-validate';
- foreach ($_POST as $key => $value) {
- $value = urlencode(stripslashes($value));
- $req .= "&$key=$value";
- }
- // post back to PayPal system to validate
- $header .= "POST /cgi-bin/webscr HTTP/1.0\r\n";
- $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
- $header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
- $fp = fsockopen ('ssl://www.paypal.com', 443, $errno, $errstr, 30);
- // assign posted variables to local variables
- $item_name = $_POST['item_name'];
- $item_number = $_POST['item_number'];
- $payment_status = $_POST['payment_status'];
- $payment_amount = $_POST['mc_gross'];
- $payment_currency = $_POST['mc_currency'];
- $txn_id = $_POST['txn_id'];
- $receiver_email = $_POST['receiver_email'];
- $payer_email = $_POST['payer_email'];
- if (!$fp) {
- // HTTP ERROR
- } else {
- fputs ($fp, $header . $req);
- while (!feof($fp)) {
- $res = fgets ($fp, 1024);
- if (strcmp ($res, "VERIFIED") == 0) {
- // check the payment_status is Completed
- // check that txn_id has not been previously processed
- // check that receiver_email is your Primary PayPal email
- // check that payment_amount/payment_currency are correct
- // process payment
- }
- else if (strcmp ($res, "INVALID") == 0) {
- // log for manual investigation
- }
- }
- fclose ($fp);
- }
- ?>
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