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List:       php-doc-bugs
Subject:    [DOC-BUGS] Doc #67469 [Asn->Csd]: json_encode changed behaviour in 5.5
From:       bukka () php ! net
Date:       2017-04-28 19:33:52
Message-ID: 201704281933.v3SJXqD3027077 () sgrv20 ! php ! net
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Edit report at https://bugs.php.net/bug.php?id=67469&edit=1

 ID:                 67469
 Updated by:         bukka@php.net
 Reported by:        martin at ringehahn dot de
 Summary:            json_encode changed behaviour in 5.5
-Status:             Assigned
+Status:             Closed
 Type:               Documentation Problem
 Package:            JSON related
 PHP Version:        5.5.13
 Assigned To:        bukka
 Block user comment: N
 Private report:     N



Previous Comments:
------------------------------------------------------------------------
[2017-03-31 17:45:09] bukka@php.net

Fix committed to docs:

Revision: http://svn.php.net/viewvc/?view=revision&revision=342210
Log: Fix doc bug #67496 (json_encode changed behaviour in 5.5)

P.S. Sorry for the wrong bug number in comment above (not 67496 but 67469...)

------------------------------------------------------------------------
[2014-06-20 12:55:26] martin at ringehahn dot de

@arjen

This is filed as a "Doc Bug" for a reason. Your link shows that between 5.4.29 \
http://3v4l.org/SIlJo#v536 (most recent 5.4) and 5.5.0 http://3v4l.org/SIlJo#v550this \
function has changed its behaviour. This has not been documented anywhere. \
Specifically: http://ca3.php.net/manual/en/migration55.changed-functions.php or \
http://ca3.php.net/manual/en/migration55.incompatible.php do not mention this change \
of behaviour.

------------------------------------------------------------------------
[2014-06-20 08:13:33] arjen at react dot com

Your expected result was only the case for PHP 5.3.14, which was the result of not \
reverting a fix on time (see https://bugs.php.net/bug.php?id=61537)

http://3v4l.org/SIlJo#v5314

Documentation could be updated, but the current behaviour seems fine to me.

------------------------------------------------------------------------
[2014-06-18 20:06:33] martin at ringehahn dot de

Description:
------------
It appears that in 5.5, "#61537 json_encode() incorrectly truncates/discards \
information" has been addressed. php 5.4 and 5.3 also had this patch at some point \
but it was reverted later. I assume this was done for not breaking backcompat in \
point releases.

However, the php 5.5 Changelog fails to mentioned that json_encode changed behaviour \
and now behaves as documented. specifically: "Returns a JSON encoded string on \
success or FALSE on failure."

the documentation also fails to mention the new constant \
`JSON_PARTIAL_OUTPUT_ON_ERROR`. well, it actually mentions it by referencing to it \
but it is not listed as a proper item.

Test script:
---------------
echo json_encode(["foo" => chr(132), "bar" => "bar"]);
// nothing, false
// this used to return "Expected result"

Expected result:
----------------
since the Changelog does not mention anything json-related, I'd expect the same \
behaviour as in previous versions:

echo json_encode(["foo" => chr(132), "bar" => "bar"]);
PHP Warning:  json_encode(): Invalid UTF-8 sequence in argument in php shell code on \
line 1 {"foo":null,"bar":"bar"}

Actual result:
--------------
false


------------------------------------------------------------------------



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