Good day! Apologize in advance for my english.
I'm a beginning programmer, and not fully understand. I added a class and its call as shown in the example, but after returning from sandbox paypal $_POST array is empty. What is it can be connected and what am I doing wrong?
I'm afraid to be tested for live before to will work in a sandbox.

I am getting INVALID IPN status every time for PayPal response following is mine vb.net code can you please help me out where i am doing wrong thing......

        Dim req As HttpWebRequest = Nothing
        Dim IsPaypalInTestMode As Boolean = True
        If IsPaypalInTestMode = True Then
            ' Create the request back
            req = DirectCast(WebRequest.Create("https://www.sandbox.paypal.com/cgi-bin/webscr"), HttpWebRequest)
        Else
            req = DirectCast(WebRequest.Create("https://www.paypal.com/cgi-bin/webscr"), HttpWebRequest)
        End If

        AddWebProxyOnLocalServer(req)
        'Set values for the request back
        req.Method = "POST"
        req.ContentType = "application/x-www-form-urlencoded"
        Dim Param() As Byte = Request.BinaryRead(HttpContext.Current.Request.ContentLength)
        Dim strRequest As String = GetPaypalResponseString(Request.Form.ToString)
        strRequest = "cmd=_notify-validate&" & strRequest
        req.ContentLength = strRequest.Length

        'Send the request to PayPal and get the response
        Dim streamOut As StreamWriter = New StreamWriter(req.GetRequestStream(), Encoding.ASCII)
        streamOut.Write(strRequest)
        streamOut.Close()

        ''''Write In File
        WriteInFile("Acknowledgment Sent At : " & Now)
        WriteInFile("Acknowledgment Sent to PayPal : " & strRequest & vbNewLine)

        Dim streamIn As StreamReader = New StreamReader(req.GetResponse().GetResponseStream())
        Dim strResponse As String = streamIn.ReadToEnd()
        streamIn.Close()

        ''''Write In File
        WriteInFile("Acknowledgment Response by PayPal Received At : " & Now)
        WriteInFile("Acknowledgment Response by PayPal : " & strResponse & vbNewLine)
        WriteInFile("----------------------------------------------")

        If strResponse.ToUpper = "VERIFIED" Then
            streamIn.Close()
            streamOut.Close()
            Return True
        Else
            streamIn.Close()
            streamOut.Close()
            Return False
        End If

Hi

The code used to work not to long ago and I have used the code exactly as in the example but on the line "Dim streamOut As StreamWriter = New StreamWriter(req.GetRequestStream(), Encoding.ASCII)" the code throws the error (The request was aborted: Could not create SSL/TLS secure channel.). Firewall is disabled and HTTP and HTTPS is allowed through Windows Firewall.

Any suggestions?

Is there sample code in the Java language?

while most servers automatically add user agent to their connections and the following line would work for most people:

73:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close'));

Integrations that do not add user agents should use something like this:

curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close', 'unique identifier'));

When we want to make a donation to someone on Paypal, we have to choose the amout of the donation, and a new page is loaded, where we could enter a message which will be joined with your donation.

1/ Is it possible to return the message in the IPN request (to notify_url) ?
2/ Is it possible to pre-write the message on my website, and submit it during the post form ?

Hi,

I used the php sample IPN validation script on my server and I always get a response of "INVALID" back.
Here is the log:

[2015-12-08 19:04 Europe/Berlin] HTTP request of validation request:POST /cgi-bin/webscr HTTP/1.1
Host: www.sandbox.paypal.com
Accept: */*
Connection: Close
Content-Length: 893
Content-Type: application/x-www-form-urlencoded

 for IPN payload: cmd=_notify-validate&payment_type=instant&payment_date=Tue+Dec+08+2015+18%3A57%3A39+GMT%2B0100+%28Mitteleurop%C3%A4ische+Zeit%29&payment_status=Pending&address_status=confirmed&payer_status=verified&first_name=John&last_name=Smith&payer_email=buyer%40paypalsandbox.com&payer_id=TESTBUYERID01&address_name=John+Smith&address_country=United+States&address_country_code=US&address_zip=95131&address_state=CA&address_city=San+Jose&address_street=123+any+street&business=seller%40paypalsandbox.com&receiver_email=seller%40paypalsandbox.com&receiver_id=seller%40paypalsandbox.com&residence_country=US&item_name=something&item_number=AK-1234&quantity=1&shipping=3.04&tax=2.02&mc_currency=USD&mc_fee=0.44&mc_gross=12.34&mc_gross1=12.34&txn_type=web_accept&txn_id=980123876&notify_version=2.1&custom=xyz123&invoice=abc1234&test_ipn=1&verify_sign=AaGLRDllUtUfQeYdp0nsQQjeQj7SA62cuD5Umejya85JB-9AkGC3lEAz
[2015-12-08 19:04 Europe/Berlin] HTTP response of validation request: HTTP/1.1 200 OK
Date: Tue, 08 Dec 2015 18:04:43 GMT
Server: Apache
X-Frame-Options: SAMEORIGIN
Set-Cookie: c9MWDuvPtT9GIMyPc3jwol1VSlO=h6bpBZc0AYiHZ8Fk6hi43AeNAI6ZYhHxRZkCj9AXhTUo00p9vnwM90i_8ZzkPSWvwuVFAK_HEUv1ckVzHU_M9y4Tbef2n-bDIG3nkBwu4PhZAzt7byCmRHu-SrHzCwYDM1huxJMsjm6tzkdVQAU_mGRIZXKUXxmda_fokiz4LtYDDeXjU7TWhKCsTouhoL7QKPN7fmr5hJdkIkU8tGpHCz6M04XyfVD1Owf83s5D5tbmggCe682CIIgB-ZfdxqwGB4GyAbvL_y8Y1gEEsU_A8sjU4tWV3gRB92MFU280jqqJRQpEe6osjXjik8SoQf1cHTNCDlZt1w3Aja4CK1NGG0O9KFG-iRjhZuB53JU3SraF61-mF_coQr-M5RIXWvhDtuSzGjXXzVYraGiELZPLFHmR2tb8xFhFfvZpVM6DplK9d4rECkHmOkuqg7y; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: cookie_check=yes; expires=Fri, 05-Dec-2025 18:04:43 GMT; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: navcmd=_notify-validate; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: navlns=0.0; expires=Thu, 07-Dec-2017 18:04:43 GMT; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: Apache=10.72.108.11.1449597883168095; path=/; expires=Thu, 30-Nov-45 18:04:43 GMT
Vary: Accept-Encoding,User-Agent
Connection: close
Paypal-Debug-Id: 46c7b9323ea4
Set-Cookie: X-PP-SILOVER=name%3DSANDBOX3.WEB.1%26silo_version%3D880%26app%3Dappdispatcher%26TIME%3D3139135318; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: X-PP-SILOVER=; Expires=Thu, 01 Jan 1970 00:00:01 GMT
Set-Cookie: Apache=10.72.128.11.1449597883146763; path=/; expires=Thu, 30-Nov-45 18:04:43 GMT
Strict-Transport-Security: max-age=14400
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

INVALID
[2015-12-08 19:04 Europe/Berlin] Invalid IPN: cmd=_notify-validate&payment_type=instant&payment_date=Tue+Dec+08+2015+18%3A57%3A39+GMT%2B0100+%28Mitteleurop%C3%A4ische+Zeit%29&payment_status=Pending&address_status=confirmed&payer_status=verified&first_name=John&last_name=Smith&payer_email=buyer%40paypalsandbox.com&payer_id=TESTBUYERID01&address_name=John+Smith&address_country=United+States&address_country_code=US&address_zip=95131&address_state=CA&address_city=San+Jose&address_street=123+any+street&business=seller%40paypalsandbox.com&receiver_email=seller%40paypalsandbox.com&receiver_id=seller%40paypalsandbox.com&residence_country=US&item_name=something&item_number=AK-1234&quantity=1&shipping=3.04&tax=2.02&mc_currency=USD&mc_fee=0.44&mc_gross=12.34&mc_gross1=12.34&txn_type=web_accept&txn_id=980123876&notify_version=2.1&custom=xyz123&invoice=abc1234&test_ipn=1&verify_sign=AaGLRDllUtUfQeYdp0nsQQjeQj7SA62cuD5Umejya85JB-9AkGC3lEAz

Maybe something is wrong with the encoding/deconding, because of the 'payment_date' parameter (contains some special characters)?

Line 98 in the PHP example:

list($headers, $res) = explode("\r\n\r\n", $res, 2);

Should be moved outside of the DEBUG conditional.

shouldn't the examples code add a non-http 200 response in case ipn-verificaton errors so paypals push scripts will get aware of errors while processing the post'ed data?

The PHP IPN listener sample doesn't include sending the HTTP 200 OK header as required. This just requires the following call before any other output is made (i.e. somewhere near the top):

header('HTTP/1.1 200 OK');

Please check the other listener samples as well.

Not sending this was causing continued retries when I tested against sandbox.

Hi,
i noticed a problem when splitting $res for comparation.
Example works well when I use IPN simulator, but when i test with a payment in the sandbox PHP fails to split $res.
I fixed the problem with just 2 lines of code and i would like to sync it on this repo. How can i contribute to this repo? Thanks.

It would ease integration a lot if the logic required for IPN validation would be supplied as a class via composer..

ATM we end up in copy&paste your samples and need to check back every time we encounter a bug ... and then replace the implementation with the new sample codes.. :-/

I am using a plugin called My tickets, and sometimes the notifications via IPN come through from paypal and other times I go to the history page and see 404 in the history for the transactions. Any ideas?

From first glance, my URL is http and paypal is resending in https. However, when I setup my IPN url with paypal I did not add https.

I have roughly 10 people that cannot get tickets emailed because the plugin isn't getting a confirmation.

Thanks everyone!
Michele

Required Information

• Which language sample: PHP
• Mode (Sandbox/Live): Both
• PayPal-Debug-ID(s) (from any logs):

Issue Description

It seems that the code is not compatible with php 5.3.x which for example ships by default with Redhat/Centos 6.x
The issue is related to short syntax for arrays introduced by php 5.4 and used in the code, below two lines result in syntax error in php 5.3

$myPost= [];
...
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Connection: Close']);

But are working once corrected like:

$myPost= array();
...
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close'));

Thanks

Hello,

I have set the IPN simulator from paypal to:
"Transaction type" = Cart checkout

"Payment _ type" = instant

Left all the details as they are and pointed the ipn to the right url on my server.
All I get is Internal Server Error from the ipn simulator. No logs, nothing to show.

Anyone with this problem?

Thank you.

how can I delete this issue :)

Hello, i'm testing the php script with paypal ipn simulator, it always return "INVALID".

Has PayPal changed something ? it worked flawless 1 month ago

Can you check ? Thanks

ipn.log

[2016-05-26 11:36 Europe/Rome] HTTP request of validation request:POST /cgi-bin/webscr HTTP/1.1
Host: www.sandbox.paypal.com
Accept: */*
Connection: Close
Content-Length: 937
Content-Type: application/x-www-form-urlencoded

 for IPN payload: cmd=_notify-validate&payment_type=instant&payment_date=Thu+May+26+2016+11%3A25%3A05+GMT+0200+%28ora+legale+Europa+occidentale%29&payment_status=Completed&address_status=confirmed&payer_status=verified&first_name=John&last_name=Smith&payer_email=buyer%40paypalsandbox.com&payer_id=TESTBUYERID01&address_name=John+Smith&address_country=United+States&address_country_code=US&address_zip=95131&address_state=CA&address_city=San+Jose&address_street=123+any+street&business=seller%40paypalsandbox.com&receiver_email=seller%40paypalsandbox.com&receiver_id=seller%40paypalsandbox.com&residence_country=US&item_name1=something&item_number1=AK-1234&tax=2.02&mc_currency=USD&mc_fee=0.44&mc_gross=12.34&mc_gross_1=12.34&mc_handling=2.06&mc_handling1=1.67&mc_shipping=3.02&mc_shipping1=1.02&txn_type=cart&txn_id=322624560&notify_version=2.1&custom=xyz123&invoice=abc1234&test_ipn=1&verify_sign=AC0mHADgHZCOp9yb3KBEhFHcfK.EATIofsAI4BOoej.lZWFOFc6-mBBm
[2016-05-26 11:36 Europe/Rome] HTTP response of validation request: HTTP/1.1 200 OK
Date: Thu, 26 May 2016 09:36:35 GMT
Server: Apache
X-Frame-Options: SAMEORIGIN
Set-Cookie: c9MWDuvPtT9GIMyPc3jwol1VSlO=q3EDoFz3xzU8qwoeStT1WLy3rVSqCC04ggXDb9E-sqhzz5kz-MUa5dNOebpwNbpDMUZk-KCXoEU7756JGR3CqhVVE_PJsBISV2WI7CXDoBxXHOafDzdzaaBnpO6j3V_hDp0X9wQS6MZOr7xBW4IdCz_qX_keXORuA9j4FCzlu024HwYDJ7OaT4BztsXbxJfWdnic7cKrOdDhbMqYPGIPB-g94iiIgzG9J-rMNtjtkOtocgsIGtzogBH2wY2hDA1XjbhsyUMy5rRcJdHfe-rrgitkPD8e9d8AakOh7sptGIUfjyNTy1ZkkCT5UKJ3X2Qs1O6SvnRGyewxf5EZ8MO727pqB2pnzME1FRLcSMpbns6BNlk9jVIIYpKYrE8kRHrQrtyuwxabvThHgaRaNcn5jaj5sOXBDuEecOw1EFRUXE0Kv5dl5Qup0y66ju8; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: cookie_check=yes; expires=Sun, 24-May-2026 09:36:36 GMT; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: navcmd=_notify-validate; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: navlns=0.0; expires=Sat, 26-May-2018 09:36:36 GMT; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: Apache=10.72.108.11.1464255395837996; path=/; expires=Sat, 19-May-46 09:36:35 GMT
Vary: Accept-Encoding,User-Agent
Connection: close
HTTP_X_PP_AZ_LOCATOR: sandbox.slc
Paypal-Debug-Id: a68dc41cc80e0
Set-Cookie: X-PP-SILOVER=name%3DSANDBOX3.WEB.1%26silo_version%3D1880%26app%3Dappdispatcher%26TIME%3D2747483735%26HTTP_X_PP_AZ_LOCATOR%3Dsandbox.slc; Expires=Thu, 26 May 2016 10:06:36 GMT; domain=.paypal.com; path=/; Secure; HttpOnly
Set-Cookie: X-PP-SILOVER=; Expires=Thu, 01 Jan 1970 00:00:01 GMT
Strict-Transport-Security: max-age=14400
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

INVALID
[2016-05-26 11:36 Europe/Rome] Invalid IPN: cmd=_notify-validate&payment_type=instant&payment_date=Thu+May+26+2016+11%3A25%3A05+GMT+0200+%28ora+legale+Europa+occidentale%29&payment_status=Completed&address_status=confirmed&payer_status=verified&first_name=John&last_name=Smith&payer_email=buyer%40paypalsandbox.com&payer_id=TESTBUYERID01&address_name=John+Smith&address_country=United+States&address_country_code=US&address_zip=95131&address_state=CA&address_city=San+Jose&address_street=123+any+street&business=seller%40paypalsandbox.com&receiver_email=seller%40paypalsandbox.com&receiver_id=seller%40paypalsandbox.com&residence_country=US&item_name1=something&item_number1=AK-1234&tax=2.02&mc_currency=USD&mc_fee=0.44&mc_gross=12.34&mc_gross_1=12.34&mc_handling=2.06&mc_handling1=1.67&mc_shipping=3.02&mc_shipping1=1.02&txn_type=cart&txn_id=322624560&notify_version=2.1&custom=xyz123&invoice=abc1234&test_ipn=1&verify_sign=AC0mHADgHZCOp9yb3KBEhFHcfK.EATIofsAI4BOoej.lZWFOFc6-mBBm

Required Information

• Which language sample: php
• Mode (Sandbox/Live): sandbox
• PayPal-Debug-ID(s) (from any logs):??

Issue Description

I keep getting:
PHP Fatal error: Uncaught exception 'Exception' with message 'cURL error: [77] Problem with the SSL CA cert (path? access rights?) ...paypalIPN.php:107

It was weird because I had it working for a day or two then put it on pause for a few days until I was ready to make a few changes before the final version and before I changed anything I ran a test and got this error ever since.

I've verified the SSL with my webhost and I switched from php 5.4 to 5.6 but still get that problem on both the paypal IPN simulator and paypal sandbox buttons.

According to the following link, PayPal will only accept postback requests to HTTPS sites.

https://www.paypal-knowledge.com/infocenter/index?page=content&widgetview=true&id=FAQ1916&viewlocale=en_US

All code examples need to be updated to reflect this security change.

The example code for IPN Listener in ColdFusion is incorrect, I get Invalid every time.
I developed code that works, adapted from an example of code on another site:
Dont seem to be able to include CF code in this post.

Regarding
https://github.com/paypal/ipn-code-samples/blob/master/paypal_ipn.php
I see no date when this was posted.
Is it compatible with PHP 5.4?

Ideally the Perl code sample would use https://metacpan.org/pod/Business::CPI::Gateway::PayPal::IPN, which is just a few lines of code and does not have a lot of dependencies. Would you accept a pull request for this?

Re; possibility of a adding a table of packages in other languages,
I've seen this before with multiple large libraries and similar. A disclaimer would obviously be required, but I'm not sure all of the package authors would agree to have their packages distributed by paypal. Maybe a minimum star/popularity requirement?

Hello,
I use your php script for my ipn. It work perfectly when i don't use sandbox.

But when i would like use sandbox and make USE_SANDBOX at 1. it don't work. I have this error : "Can't connect to PayPal to validate IPN message: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure ".

Do you know how i can use sandbox for test my script when I have "strcmp ($res, "VERIFIED") == 0".

Thanks you

We have implemented recurring payment. We expect our application should receive notification after scheduled payment is processed.

We have been using paypal-recurring gem in a subscription flow.

Any kind of help would be much appreciated.

Required Information

My listerner looks exactly the same as in your sample. but I am receiving invalid when I am testing my IPN payment on cell phone while it is Valid on laptop. Wha tcould be wrong?Why is it not working on cell phone?

• Which lanuage sample: C# MVC
• Mode (Sandbox/Live): Sandbox
• PayPal-Debug-ID(s) (from any logs):

Issue Description

Please include as many details (logs, steps to reproduce, screenshots) as you can to help us reproduce this issue faster.

Hi,

The PHP script says the incoming IPNs are cmd=_notify-validate, with no variables, which makes it return invalid

I am trying to implement this code, but it breaks at line 49. Nothing after that line will run.

Unless I am missing something, you already applied POST variables to local variable $myPost.

There is no need to create new local variables and assign them again (see line 113).

Maybe someone could create a pull request to fix this?

I use a Perl listener to get IPN POST messages from PayPal. Starting sometime after May 19, these messages starting getting a server error 403. Here is the Perl code I'm using to process what is sent to me. Any ideas on how to fix it. I'm not a Perl programmer so please show line changes.

!/usr/bin/perl

# read post from PayPal system and add 'cmd'
read (STDIN, $query, $ENV{'CONTENT_LENGTH'});
$query .= '&cmd=_notify-validate';

# post back to PayPal system to validate
use LWP::UserAgent;
$ua = new LWP::UserAgent;
#  $req = new HTTP::Request 'POST','https://www.sandbox.paypal.com/cgi-bin/webscr';
$req = new HTTP::Request 'POST','https://www.paypal.com/cgi-bin/webscr';
$req->content_type('application/x-www-form-urlencoded');
$req->content($query);
$res = $ua->request($req);

Thanks,
Rich

Required Information

• Which language sample: php
• Mode (Sandbox/Live): Sandbox

There is a bug with email addresses that use a plus sign, and possibly other unknown circumstances.

I have a working solution with the pull request that I made: #119

But there is no way to be completely sure that it is permanently fixed unless this is fixed on PayPal's end.

On my server I need to use
$cert = DIR . "./cacert.pem";
curl_setopt($ch, CURLOPT_CAINFO, $cert);

BUT

only sometimes I receive "Can't connect to PayPal to validate IPN message: Peer certificate cannot be authenticated with known CA certificates"

cUrl version is 7.17.1

Someone could help me?

This started happening recently, even though no changes were made in code, setup, etc. (at least to my knowledge) and eventually discovered that cURL apparently sends up Expect-100 in certain cases (when the size of the message exceeds a certain threshold) and in this case, PayPal's verification server will include a 100 Continue in the response header with an additional set of carriage returns, thereby causing the script to think that the the response did not equal "VERIFIED" when in fact, VERIFIED is getting included further down in the response (after another pair of carriage returns).

This was really bad in my case because PayPal thought the notification succeeded and attempted no further retries, meanwhile the transaction had failed on our side, leaving customers in limbo pending state.

The solution to the problem was to change line 98 (in the September version of this file) to this:

$tokens = explode("\r\n\r\n", $res); // Avoid passing 2 as the last argument, so the remaining token can be picked up
$res = trim(end($tokens)); // Set $res to be the last token in the response

Apparently Magento did did something very similar to this and was subject to the same problem, and someone troubleshooted up to the same solution I described above (you can read about their investigations at this link:

http://www.dhmedia.com.au/article/debugging-paypal-ipn-postback-failure-magento

But why was this not happening before, and I'm curious if this is really an acceptable solution? AFAIK, cURL is the same version as before. We made no upgrades there, and I don't see why the content would be larger than before.

Hello.

I'm constantly getting the following errorcode in my ipn.log

[2016-06-03 23:12 Europe/Amsterdam] Can't connect to PayPal to validate IPN message: SSL connect error
[2016-06-03 23:12 Europe/Amsterdam] Can't connect to PayPal to validate IPN message: SSL connect error

This has been happening voor 5 days straight in a row, while it used to work before then. I tried switching PHP version and I even bought a SSL certificate. This did not solve my problem.

Is anyone else having the same issue? Did PayPal change something? They're not responding on Twitter. PayPal is really takin' the piss.

Any help would be appreciated.

inside the logic
if (curl_errno($ch) != 0) // cURL error
{
} else {
}

always log error.

the script will log unexpected error even if the errno is 0.

and the $res variable is not storing "VERIFIED" or "INVALID". it is instead a full http response.

Is this upcoming change likely to affect the PHP IPN code?

https://devblog.paypal.com/paypal-ssl-certificate-changes/

I need to know in advance - what testing can we perform

thanks

General information

• Environment: Sandbox
• Language, language version, and OS: .NET Framework -- ALL

Issue description

As PayPal is removing support for SSL3, and has already done so in the sandbox, the VB.NET code (and likely the C# code as well) gave me an error "Could not create secure SSL/TLS channel"

As per Stack Overflow I fixed it by explicitly specifying SSL 1.2:

Net.ServicePointManager.SecurityProtocol = 3072

(or can use the Enum constant Tls12 in Framework 4.5+ but I am using 4.0)

Please update the VB.NET and C# code samples for future developers.

(NOTE -- I also moved to 'HttpClient' from System.Net.Http (available on NuGet) rather than the older System.Net.HttpWebRequest as used in your sample. But the error was the same, and I hope the fix would work the same as well. You can try and see.)

I do paypal java interface development these days, but there are no ipn sdk example, can provide one?

I don`t know if this is a solution for some of you.

Just a tips for a 3rd party solution:
https://zapier.com/blog/how-use-multiple-ipns-paypal/

This helped me for my solution!

PayPal information automatic imported to different applications when Payment is done!
Check it out if it could help!

I'm getting INVALID IPN status every time even the payment is made.

I'm using the php api.

Is there any way to do this properly?

Required Information

• Which language sample:
  php

Issue Description

Php outputs a warning because of the usage of use PaypalIPN;

Warning: The use statement with non-compound name 'PaypalIPN' has no effect in /htdocs/projects/paypal_ipn/index.php on line 6

Do you have IPN code samples for PHP?

I managed to find the C# IPN code here: https://www.x.com/sites/default/files/ipn-aspnet_0.zip

But I think it should be included in this repository.
Cheers

Shouldn't the 200 response should be sent before the IPN attempts to verify, not at the end of the script: https://developer.paypal.com/docs/classic/ipn/integration-guide/IPNImplementation/

1. Your listener listens for the HTTP POST IPN messages that PayPal sends with each event.
2. After receiving the IPN message from PayPal, your listener returns an empty HTTP 200 response to PayPal. Otherwise, PayPal resends the IPN message.
3. Your listener sends the complete message back to PayPal using HTTPS POST.
4. PayPal sends one of the following words back to your listener

I've created a class to do verification with all of the issues fixed (plus it's OOP) after pulling my hair out for a few days. Feel free to use it in place of the shitty sample provided here.
It's updated with the current endpoints, tls1.2 and correct certs. Would have done a pull request, except it seems this repo is no longer maintained.
https://github.com/overint/php-paypal-ipn

Is there any plan to add nodeJS examples to this repo?

On

https://developer.paypal.com/webapps/developer/docs/classic/ipn/integration-guide/IPNIntro/

it is stated that

"Your listener returns an empty HTTP 200 response"

before

"Your listener HTTP POSTs the complete, unaltered message back to PayPal."

Why is the sample PHP code directly posting the complete, unaltered message back to PayPal instead of first sending the empty HTTP 200 response? Or am I just missing something?

Thanks,
Luca

Hi
I coped and used the script but did not work until I changed rawurlencode and rawurldecode
It took me some time to figure this out, Dont you think we should use these functions in source?

This feature has been DEPRECATED as of PHP 5.3.0 and REMOVED as of PHP 5.4.0.

Reference: http://php.net/manual/en/info.configuration.php#ini.magic-quotes-gpc
Used in: https://github.com/paypal/ipn-code-samples/blob/master/paypal_ipn.php#L28

Required Information

• Which language sample: PHP (Symfony 3.1)
• Mode (Sandbox/Live): Sandbox
• PayPal-Debug-ID(s) (from any logs):

Issue Description

Please include as many details (logs, steps to reproduce, screenshots) as you can to help us reproduce this issue faster.

Hello, I use Symfony 3.1 and IPN. I create my form button on Paypal and I have configured my sandbox account with the URL.

IPN simulator works in each case but if I put an Add to Cart button on my website I can't get any data from IPN. var_dump($_POST); is empty everytime.

With a Buy Now button everything works fine so I don't know from where the issue comes.

Here's my Buy Now button :

<form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post">
      <input type='hidden' value="5" name="amount" />
      <input name="currency_code" type="hidden" value="EUR" />
      <input name="shipping" type="hidden" value="0.00" />
      <input name="tax" type="hidden" value="0.00" />
      <input name="return" type="hidden" value="http://www.enfants-de-la-nuit.fr/valid/paiement" />
      <input name="cancel_return" type="hidden" value="http://www.enfants-de-la-nuit.fr/cancel/paiement" />
      <input name="notify_url" type="hidden" value="http://www.enfants-de-la-nuit.fr/validation/paiement" />
      <input name="cmd" type="hidden" value="_xclick" />
      <input name="business" type="hidden" value="[email protected]" />
      <input name="item_name" type="hidden" value="Les Enfants de la Nuit - Tome 1" />
      <input name="no_note" type="hidden" value="1" />
      <input name="lc" type="hidden" value="FR" />
      <input name="bn" type="hidden" value="PP-BuyNowBF" />
      <input name="custom" type="hidden" value="4" />
      <input alt="Effectuez vos paiements via PayPal : une solution rapide, gratuite et sécurisée" name="submit" class="btn btn-lg btn-success" value="Acheter" type="submit"/>
</form>

And that's my Add to Cart button :

<form name="_xclick" target="paypal" action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post">
      <input type="hidden" name="cmd" value="_cart">
      <input type="hidden" name="business" value="[email protected]">
      <input type="hidden" name="currency_code" value="EUR">
      <input type="hidden" name="item_name" value="HTML book">
      <input type="hidden" name="amount" value="24.99">
      <input name="return" type="hidden" value="http://www.enfants-de-la-nuit.fr/valid/paiement" />
      <input name="cancel_return" type="hidden" value="http://www.enfants-de-la-nuit.fr/cancel/paiement" />
      <input name="notify_url" type="hidden" value="http://www.enfants-de-la-nuit.fr/validation/paiement" />
      <input type="image" src="http://www.paypal.com/fr_FR/i/btn/sc-but-01.gif" border="0" name="submit" alt="Make payments with PayPal - it's fast, free and secure!">
      <input type="hidden" name="add" value="1">
</form>