你可以像这样设置paypal notify_url(IPN Response url)和成功url：
<input type="hidden" name="notify_url" value="http://localhost/demo/payment.php/ipn_response">
<input type="hidden" name="return" value="http://localhost/demo/payment_successful">
获取 Paypal 响应 paypal.php
function ipn($ipn_data) {
define('SSL_P_URL', 'https://www.paypal.com/cgi-bin/webscr');
define('SSL_SAND_URL', 'https://www.sandbox.paypal.com/cgi-bin/webscr');
$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);
if (!preg_match('/paypal\.com$/', $hostname)) {
$ipn_status = 'Validation post isn\'t from PayPal';
if ($ipn_data == true) {
//You can send email as well
}
return false;
}
// parse the paypal URL
$paypal_url = ($_REQUEST['test_ipn'] == 1) ? SSL_SAND_URL : SSL_P_URL;
$url_parsed = parse_url($paypal_url);
$post_string = '';
foreach ($_REQUEST as $field => $value) {
$post_string .= $field . '=' . urlencode(stripslashes($value)) . '&';
}
$post_string.="cmd=_notify-validate"; // append ipn command
// get the correct paypal url to post request to
$paypal_mode_status = $ipn_data; //get_option('im_sabdbox_mode');
if ($paypal_mode_status == true)
$fp = fsockopen('ssl://www.sandbox.paypal.com', "443", $err_num, $err_str, 60);
else
$fp = fsockopen('ssl://www.sandbox.paypal.com', "443", $err_num, $err_str, 60);
$ipn_response = '';
if (!$fp) {
// could not open the connection. If loggin is on, the error message
// will be in the log.
$ipn_status = "fsockopen error no. $err_num: $err_str";
if ($ipn_data == true) {
echo 'fsockopen fail';
}
return false;
} else {
// Post the data back to paypal
fputs($fp, "POST $url_parsed[path] HTTP/1.1\r\n");
fputs($fp, "Host: $url_parsed[host]\r\n");
fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n");
fputs($fp, "Content-length: " . strlen($post_string) . "\r\n");
fputs($fp, "Connection: close\r\n\r\n");
fputs($fp, $post_string . "\r\n\r\n");
// loop through the response from the server and append to variable
while (!feof($fp)) {
$ipn_response .= fgets($fp, 1024);
}
fclose($fp); // close connection
}
// Invalid IPN transaction. Check the $ipn_status and log for details.
if (!preg_match("/VERIFIED/s", $ipn_response)) {
$ipn_status = 'IPN Validation Failed';
if ($ipn_data == true) {
echo 'Validation fail';
print_r($_REQUEST);
}
return false;
} else {
$ipn_status = "IPN VERIFIED";
if ($ipn_data == true) {
echo 'SUCCESS';
print_r($_REQUEST);
}
return true;
}
}
function ipn_response() {
//mail("sobhagya1411@gmail.com","My subject",print_r($request,true));
$ipn_data = true;
if ($this->ipn($_REQUEST)) {
$this->insert_data($_REQUEST);
}
}
function issetCheck($post, $key) {
if (isset($post[$key])) {
$return = $post[$key];
} else {
$return = '';
}
return $return;
}
public function insert_data(){
$post = $_REQUEST;
$item_name= $this->issetCheck($post, 'item_name');
$amount = $this->issetCheck($post, 'mc_gross');
$currency = $this->issetCheck($post, 'mc_currency');
$payer_email = $this->issetCheck($post, 'payer_email');
$first_name = $this->issetCheck($post, 'first_name');
$last_name = $this->issetCheck($post, 'last_name');
$country = $this->issetCheck($post, 'residence_country');
$txn_id = $this->issetCheck($post, 'txn_id');
$txn_type = $this->issetCheck($post, 'txn_type');
$payment_status = $this->issetCheck($post, 'payment_status');
$payment_type = $this->issetCheck($post, 'payment_type');
$payer_id = $this->issetCheck($post, 'payer_id');
$create_date = date('Y-m-d H:i:s');
$payment_date = date('Y-m-d H:i:s');
$paypal_sql = "INSERT INTO ipn_data_tbl (item_name,payer_email,first_name,last_name,amount,currency,country,txn_id,txn_type,payer_id,payment_status,payment_type,create_date,payment_date)
VALUES ($item_name,'$payer_email','$first_name','$last_name','$amount','$currency','$country','$txn_id','$txn_type','$payer_id','$payment_status','$payment_type','$create_date','$payment_date')";
mysql_query($paypal_sql);
}