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This article mainly explains "how to solve the problem that php5.2 Json cannot handle Chinese and GB codes correctly." Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "How to solve the problem that php5.2 Json cannot correctly handle Chinese and GB codes"!

PHP 5.2's new json feature is very popular, but after testing,

json_encode has a problem with handling Chinese.

1. Cannot process GB codes, all GB codes will be replaced with null characters.

2. utf8 encoded Chinese is encoded into unicode encoding, equivalent to the result of javascript escape function processing.

The copy code is as follows:

/*

In order to use json correctly, we should first use utf8 encoding on the encoding, and then json_encode return results can be slightly processed to get the correct results.

I wrote a simple class that wraps these two functions,

**/

class Json{

public static function encode($str){

$code = json_encode($str);

return preg_replace("#\\\u([0-9a-f]+)#ie", "iconv('UCS-2', 'UTF-8', pack('H4', '\\1'))", $code);

}

public static function decode($str){

return json_decode($str);

}

}

//when used

Json::encode($code);

Json::decode($code);

/** This can correctly process utf8 encoded Chinese.

PS: For GB encoded Chinese, we can convert to UTF8 encoding first, then encode, and then perform a utf8 -> gb conversion when decoding.

In addition, we usually return the result of json_encode to the client to use. In fact, we can also use javascript's unescape function to decode unicode encoded Chinese, thus restoring it to correct Chinese.

Or: $title = mb_convert_encoding($title, 'HTML-ENTITIES', $this->_outCharset);//Any encoding will display normally

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