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Bug #78332 Int in JSON message formatted as string
Submitted: 2019-07-24 13:40 UTC Modified: 2020-12-20 04:22 UTC
From: fi at facelift-bbt dot com Assigned: cmb (profile)
Status: No Feedback Package: PECL (PECL)
PHP Version: 7.2.20 OS:
Private report: No CVE-ID: None
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 [2019-07-24 13:40 UTC] fi at facelift-bbt dot com 
Description:
------------
When producing an encoded JSON object that contains an integer field, the consumer always receives the field as string.

Producer: {"id":1639}
Consumer: {"id":"1639"}

Test script:
---------------
$message = '{"id":1639}';

$producer = new RdKafka\Producer();
$topic = $producer->newTopic('myTopic');
$topic->produce(RD_KAFKA_PARTITION_UA, 0, $message);

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 [2019-07-24 13:54 UTC] requinix@php.net
-Status: Open +Status: Feedback
 [2019-07-24 13:54 UTC] requinix@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves.

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external
resources such as databases, etc. If the script requires a
database to demonstrate the issue, please make sure it creates
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.
 [2019-07-24 14:14 UTC] fi at facelift-bbt dot com
-Status: Feedback +Status: Open
 [2019-07-24 14:14 UTC] fi at facelift-bbt dot com 
Test script:
---------------
<?php

$message = '{"id":1639}';

$producer = new RdKafka\Producer();
$topic = $producer->newTopic('myTopic');
$topic->produce(RD_KAFKA_PARTITION_UA, 0, $message);

?>
 [2019-07-24 14:21 UTC] cmb@php.net
-Package: *General Issues +Package: PECL
 [2019-07-24 15:24 UTC] danack@php.net
-Status: Open +Status: Feedback
 [2019-07-24 15:24 UTC] danack@php.net 
Hi - the script you provided does not run, https://3v4l.org/XUMYj . It gives the error Fatal error: Uncaught Error: Class 'RdKafka\Producer' not found in /in/XUMYj:5

Running json_decode simply as you described it gives: https://3v4l.org/2VPX6 which appears to give an int.

You might find reading this http://sscce.org/ helpful as a guide on how to write a self-contained reproduce case.
 [2019-07-24 15:58 UTC] cmb@php.net
-Status: Feedback +Status: Open
 [2019-07-24 15:58 UTC] cmb@php.net 
This is about https://pecl.php.net/package/rdkafka.
 [2019-07-25 06:43 UTC] fi at facelift-bbt dot com 
Serializing and deserializing in PHP works well, yes.
But after processing the serialized JSON object with the Kafka producer and reading the message in a consumer written in Java, the int field has been transformed into a string - before deserializing.
 [2020-12-07 12:33 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2020-12-07 12:33 UTC] cmb@php.net 
Is this still an issue with latest rdkafka and any of the actively
supported PHP versions[1]?  If so, you may be better off to report
that as issue on the Github repo[2].

[1] <https://www.php.net/supported-versions.php>
[2] <https://github.com/arnaud-lb/php-rdkafka>
 [2020-12-20 04:22 UTC] pecl-dev at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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