[php-list] paypal php code`

[Wade Smart]

20080704 1700 GMT-6

This is the php code of paypal ipn. If you look towards the bottom there are 
too 
many {} in the code. I would have thought it was just a coder error but then 
there is also no <?php at the top either.

Anyone use paypal ipn who can verify if any of this is right?

Wade

        // 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 ('www.paypal.com', 80, $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);
        }