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json_encode() wont work for me when I'm using åäö. Why? And how can I get it to work?
The php:
echo json_encode($arr);
The javascript:
var theResponse = JSON.parse(xmlHttp.responseText);
When I alert() the response, and the response contains å, ä or ö, the response is = NULL
Please, help me out...
404
The json_encode() function is used to encode a value to JSON format.
JSON data structures are very similar to PHP arrays. PHP has built-in functions to encode and decode JSON data. These functions are json_encode() and json_decode() , respectively. Both functions only works with UTF-8 encoded string data.
The json_encode() function can return a string containing the JSON representation of supplied value. The encoding is affected by supplied options, and additionally, the encoding of float values depends on the value of serialize_precision.
The default encoding is UTF-8. (in §6) JSON may be represented using UTF-8, UTF-16, or UTF-32. When JSON is written in UTF-8, JSON is 8bit compatible. When JSON is written in UTF-16 or UTF-32, the binary content-transfer-encoding must be used.
Old question, but figured I'd put this here in case someone needs to log data using json_encode but keep the data untouched, intact for inspection later.
You can encode the data raw using base64_encode, then it will work with json_encode. Later after running json_decode, you can decode the string with base64_decode, you'll get the original data unmodified.
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As of PHP 5.4.0:
Convert your strings in your array to into utf-8 using utf8_encode($str) function.
Then json_encode with JSON_UNESCAPED_UNICODE option:
$arr = json_encode($array, JSON_UNESCAPED_UNICODE);
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