Edit report at http://bugs.php.net/bug.php?id=52262&edit=1

 ID:               52262
 Updated by:       scott...@php.net
 Reported by:      r...@php.net
 Summary:          json_decode reports no error while returning NULL
-Status:           Assigned
+Status:           Closed
 Type:             Bug
 Package:          JSON related
 Operating System: Linux/Ubuntu
 PHP Version:      5.3.2
 Assigned To:      scottmac

 New Comment:

It now correctly returns an error code to indicate an invalid UTF-8
error. The 

issue is an incorrectly encoded character around number 21,190.



I suggest you speak to Steam and get them to produce a correctly valid
feed.


Previous Comments:
------------------------------------------------------------------------
[2010-07-06 19:01:35] scott...@php.net

Automatic comment from SVN on behalf of scottmac
Revision: http://svn.php.net/viewvc/?view=revision&revision=301028
Log: Fix bug #52262 - Invalid UTF-8 documents don't set an error code
when they fail to decode.

------------------------------------------------------------------------
[2010-07-06 13:34:48] johan...@php.net

That codition in php_json_decode is hit as utf16_len == -2



        utf16_len = utf8_to_utf16(utf16, str, str_len);

        if (utf16_len <= 0) {

                if (utf16) {

                        efree(utf16);

                }

                RETURN_NULL();

        }

------------------------------------------------------------------------
[2010-07-06 11:17:59] r...@php.net

Description:
------------
I'm attempting to use json_decode on a relatively long piece of JSON.
The JSON 

is returned successfully by file_get_contents, and is valid according to


JSONLint.



What I expect to happen is for the JSON to be correctly decoded, or NULL
to be 

returned and json_last_error to be populated with the reason. For some
reason 

NULL is returned and json_last_error remains at 0.



I have a feeling that this could be to do with the length of the file 

(containing a large array of objects).



I'm currently using:



r...@ross-laptop:/$ php -v



PHP 5.3.2-1ubuntu4.2 with Suhosin-Patch (cli) (built: May 13 2010
20:01:00) 

Copyright (c) 1997-2009 The PHP Group

Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies

Test script:
---------------
<?php

$raw =
file_get_contents("http://api.steampowered.com/ISteamUserStats/GetGlobalAchievementPercentagesForApp/v0001/?gameid=440";);



$decoded = json_decode($raw);



$errors = array(

    JSON_ERROR_NONE => "No error has occurred",

    JSON_ERROR_DEPTH => "The maximum stack depth has been exceeded",

    JSON_ERROR_CTRL_CHAR => "Control character error, possibly
incorrectly encoded",    

    JSON_ERROR_SYNTAX => "Syntax error",

    //JSON_ERROR_UTF8 => "Malformed UTF-8 characters, possibly
incorrectly encoded"

);



var_dump("Raw result:", $raw, "\n\n");

var_dump("Decoded result:", $decoded, "\n\n");

var_dump("JSON errors:", $errors[json_last_error()]);

Expected result:
----------------
Raw result: (long raw json)

Decoded result: object stdClass(1) { (data array) }

JSON errors: string "No error has occurred"

Actual result:
--------------
Raw result: (long raw json)

Decoded result: NULL

JSON errors: string "No error has occurred"


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



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