i using parallel adaptive payment. got php coding following link of paypal developer` website.
https://www.paypal-labs.com/integrationwizard/adaptive/main.php
and used ipn listener follows ,
<?php // step 1: read post data // reading posted data directly $_post causes serialization // issues array data in post // reading raw post data input stream instead. $raw_post_data = file_get_contents('php://input'); curl_close($ch); $raw_post_array = explode('&', $raw_post_data); $from="manikandan.a@quadrantsystems.com"; $to="manikandan.vkpr@gmail.com"; $subject="curl_exec".$raw_post_data; $headers = "mime-version: 1.0\r\n"; $headers .= "content-type: text/html; charset=iso-8859-1\r\n"; $headers .= 'from:'.$from."\r\n"; @mail($to,$subject,print_r($raw_post_array),$headers); $mypost = array(); foreach ($raw_post_array $keyval) { $keyval = explode ('=', $keyval); if (count($keyval) == 2) $mypost[$keyval[0]] = urldecode($keyval[1]); } // read post paypal system , add 'cmd' $req = 'cmd=_notify-validate'; if(function_exists('get_magic_quotes_gpc')) { $get_magic_quotes_exists = true; } foreach ($mypost $key => $value) { if($get_magic_quotes_exists == true && get_magic_quotes_gpc() == 1) { $value = urlencode(stripslashes($value)); } else { $value = urlencode($value); } $req .= "&$key=$value"; } // step 2: post ipn data paypal validate $ch = curl_init('https://www.sandbox.paypal.com/cgi-bin/webscr'); curl_setopt($ch, curlopt_http_version, curl_http_version_1_1); curl_setopt($ch, curlopt_post, 1); curl_setopt($ch, curlopt_returntransfer,1); curl_setopt($ch, curlopt_postfields, $req); curl_setopt($ch, curlopt_ssl_verifypeer, 1); curl_setopt($ch, curlopt_ssl_verifyhost, 2); curl_setopt($ch, curlopt_forbid_reuse, 1); curl_setopt($ch, curlopt_httpheader, array('connection: close')); // in wamp environments not come bundled root authority certificates, // please download 'cacert.pem' "http://curl.haxx.se/docs/caextract.html" , set directory path // of certificate shown below. // curl_setopt($ch, curlopt_cainfo, dirname(__file__) . '/cacert.pem'); if( !($res = curl_exec($ch)) ) { // error_log("got " . curl_error($ch) . " when processing ipn data"); $from="manikandan.a@quadrantsystems.com"; $to="manikandan.vkpr@gmail.com"; $subject="curl_exec".curl_error($ch); $headers = "mime-version: 1.0\r\n"; $headers .= "content-type: text/html; charset=iso-8859-1\r\n"; $headers .= 'from:'.$from."\r\n"; @mail($to,$subject,$message,$headers); curl_close($ch); exit; } curl_close($ch); // step 3: inspect ipn validation result , act accordingly if (strcmp ($res, "verified") == 0) { // check whether payment_status completed // check txn_id has not been processed // check receiver_email primary paypal email // check payment_amount/payment_currency correct // process payment // assign posted variables 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']; $from="manikandan.a@quadrantsystems.com"; $to="manikandan.vkpr@gmail.com"; $subject='success'.$txn_id."paysts".$payment_status."currency".$payment_currency."email".$payer_email; $headers = "mime-version: 1.0\r\n"; $headers .= "content-type: text/html; charset=iso-8859-1\r\n"; $headers .= 'from:'.$from."\r\n"; if(@mail($to,$subject,$message,$headers)); } else if (strcmp ($res, "invalid") == 0) { $from="manikandan.a@quadrantsystems.com"; $to="manikandan.vkpr@gmail.com"; $subject='invalid'.$item_name; $headers = "mime-version: 1.0\r\n"; $headers .= "content-type: text/html; charset=iso-8859-1\r\n"; $headers .= 'from:'.$from."\r\n"; @mail($to,$subject,$message,$headers); // log manual investigation } ?> the first , second mail has executed , mail have been receive, the $_post values empty.ie
$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']; after verified following mail function executed containing empty values.
most not seeing post values coming , getting populated script correctly because of how come back, , not getting parsed correctly. when working adaptive payments, ipn post's come in different format regular payments.
transaction[0].id_for_sender_txn=...&transaction[0].receiver=paypal_tester_12987336_biz@paypal.com&transaction[0].is_primary_receiver=false&transaction[0].id=...&transaction[0].status=completed&transaction[0].status_for_sender_txn=completed&transaction[0].amount=cad+10.00
you need make sure parsing data correctly.
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