you can set paypal notify_url (IPN response url) and success url as follows:
<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">
Get an answer Paypal 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('Ymd H:i:s'); $payment_date = date('Ymd 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); }