up vote 3 down vote favorite 
Array
(
    [sEcho] => 1
    [iTotalRecords] => 7521
    [iTotalDisplayRecords] => 1
    [aaData] => Array
        (
            [0] => Array
                (
                    [0] => Nordic Capital Buys SiC Processing
                    [1] => 2010-06-21/nordic-capital-buys-sic-processing
                    [2] => PEHub Media
                    [3] => Business
                    [4] => completed
                    [5] => Nordic Capital has acquired a 70% stake in SiC Processing AG, a German industrial recycling company, from Frog Capital. No sale price was disclosed.  SiC Processing’s founding family retains a 25% holding, while former lead investor Zouk Ventures retains a 5% stake.

                    [6] => Admin, China, Frog Capital, Germany, Italy, Iyad Omari, Manufacturing, Norway, PEHub Media, Photovoltaic Wafer Manufacturing, Renewable Energy, Semiconductor, United States
                )

        )

)

echo json_encode($myArr);

{"sEcho":"1","iTotalRecords":7521,"iTotalDisplayRecords":"1","aaData":[[" Nordic Capital Buys SiC Processing</a></div>"," 2010-06-21/nordic-capital-buys-sic-processing</div>","PEHub Media","Business","completed",null," Admin, China, Frog Capital, Germany, Italy, Iyad Omari, Manufacturing, Norway, PEHub Media, Photovoltaic Wafer Manufacturing, Renewable Energy, Semiconductor, United States]]}

Note the null in the middle of the string after completed

Why is this, what escape/manipulation do I need to perform in order to encode this?

I have tried, addslashes

share|improve this question
Works for me. Check your PHP configuration, I think json_* stuff can be disabled. – Jani Hartikainen Jul 5 '10 at 15:38
Please provide the PHP code used to construct the example array (and please check your questions carefully when posting - examples provided should do what you intend them to!) – AllenJB Jul 5 '10 at 16:06
1  
Can we get a var_export of the source array please? – Charles Jul 5 '10 at 16:07

4 Answers

up vote 13 down vote accepted

From the manual:

Note that if you try to encode an array containing non-utf values, you'll get null values in the resulting JSON string. You can batch-encode all the elements of an array with the array_map function:

$encodedArray = array_map(utf8_encode, $myArr);
echo json_encode($encodedArray);
share|improve this answer
Thanks seengee, perfect. I actually used array_map(htmlentities... for my situation, but this saved the day. – Dustin Graham Jan 9 at 19:36
up vote 1 down vote

I just tried that exact same code, and it returned the following:

{"var1":"test string","var2":"Nordic Capital has acquired a 70% stake in SiC Processing AG, a German industrial recycling company, from Frog Capital. No sale price was disclosed.  SiC Processing\u2019s founding family retains a 25% holding, while former lead investor Zouk Ventures retains a 5% stake.","var3":"test string 3"}

What version of PHP are you running? And is this from your localhost or you running this on a remote box?

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Please check my question again i have updated with full code, as json_encode is working with rest of array. – Lizard Jul 5 '10 at 15:56
So, it looks like a problem with the 5th element in the array. Can I see the code for the generation of the array? – xil3 Jul 5 '10 at 16:01
its just a field from a database – Lizard Jul 5 '10 at 16:02
up vote 1 down vote

Actually it doesn't return null, http://codepad.org/A34KdUf5.

Maybe your PHP version doesn't support json_encode().

share|improve this answer
Please check my question again i have updated with full code, as json_encode is working with rest of array. – Lizard Jul 5 '10 at 15:55
In copying and pasting, you probably inadvertently put it in UTF-8 form, while the original string likely wasn't. – chaiguy Sep 14 '12 at 21:08
up vote 1 down vote

Works for me on 5.2.13. Ensure you're using at least PHP 5.2.0 and that PHP wasn't compiled with --disable-json. You may also want to check that error reporting (and/or logging) is enabled.

share|improve this answer
Please check my question again i have updated with full code, as json_encode is working with rest of array. – Lizard Jul 5 '10 at 15:57

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