How to solve php jsonencode Chinese transcoding

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Release: 2023-08-02 13:46:37
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php jsonencode Chinese transcoding solution: 1. Set the character encoding. Before using the json_encode function, you can use the header function to set the character encoding to UTF-8; 2. Use the JSON_UNESCAPED_UNICODE option; 3. Use the JSON_HEX_TAG option; 4. Manual transcoding, manually convert Chinese to UTF-8 encoding, and then use the json_encode function to convert Unicode encoding, etc.

How to solve php jsonencode Chinese transcoding

The operating environment of this article: Windows 10 system, PHP8.1.3 version, Dell G3 computer.

In PHP, it is a very common operation to use the json_encode function to transcode Chinese into Unicode encoding. However, sometimes we may encounter some problems, such as garbled characters or incorrect encoding when transcoding Chinese to Unicode encoding. Below I will introduce some methods to solve these problems.

1. Set the character encoding: Before using the json_encode function, you can use the header function to set the character encoding to UTF-8. For example:

header('Content-Type: text/html; charset=utf-8');
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This ensures that Chinese is transcoded into the correct Unicode encoding.

2. Use the JSON_UNESCAPED_UNICODE option: The json_encode function provides a parameter options, which can be passed in to control the encoding behavior. Among them, the JSON_UNESCAPED_UNICODE option can ensure that Chinese is not transcoded. For example:

$json = json_encode($data, JSON_UNESCAPED_UNICODE);
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This can avoid transcoding Chinese into Unicode encoding.

3. Use the JSON_HEX_TAG option: If you encounter garbled characters after Chinese transcoding, you can try to use the JSON_HEX_TAG option, which will convert the tags "<" and ">" into "\u003C" and " \u003E". For example:

$json = json_encode($data, JSON_HEX_TAG);
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This can avoid encoding problems caused by escaping tags.

4. Manual transcoding: If the above method cannot solve the problem, you can also try to manually transcode Chinese into Unicode encoding. For example, you can use the mb_convert_encoding function to convert Chinese to UTF-8 encoding, and then use the json_encode function to encode. For example:

$data = '中文'; $data = mb_convert_encoding($data, 'UTF-8'); $json = json_encode($data);
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This ensures that Chinese is correctly transcoded into Unicode encoding.

Summary

To solve the problem of json_encode Chinese transcoding, you can set the character encoding, use options, manual transcoding and other methods. Choosing the appropriate method according to the specific situation can ensure that Chinese is correctly transcoded into Unicode encoding.

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