Analysis of json_encode Chinese encoding issues in json_encode php

For example: 'Xu' becomes 'u80e5' after json_encode processing, and the Chinese part of the final json is replaced with unicode encoding. What we have to solve is to convert the object into json and ensure that the Chinese inside the object still appears as normal Chinese in json. It seems that only using json_encode cannot achieve the goal.
My solution: first url-encode the Chinese field in the class (urlencode), then json-encode the object (jsonencode), and finally url-decode (urldecode) the json, which is the final json. The Chinese inside is still the same Chinese!
The test code is as follows:

Copy the code The code is as follows:

class myClass {
public $item1 = 1;
public $item2 = 'Chinese';
function to_json() {
//URL encoding, avoid json_encode converting Chinese to unicode
$this->item2 = urlencode($this->item2);
$str_json = json_encode($this);
//URL decoding, after converting json Return each attribute to ensure that the object attributes remain unchanged
$this->item2 = urldecode($this->item2);
return urldecode($str_json);
}
}
$c = new myClass();
echo json_encode($c);
echo '
';
echo $c->to_json();
echo '
';
echo json_encode($c);
echo '
';
echo json_encode('胥');
?>

Program output result:

Copy code The code is as follows:

{"item1":1, "item2":"u4e2du6587"}
{"item1":1,"item2":"Chinese"}
{"item1":1,"item2":"u4e2du6587"}
"u80e5"

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