How to convert php unicode encoding to Chinese characters

php Method to convert unicode encoding to Chinese characters: First create a PHP sample file; then use the "function unicodeDecode($unicode_str){...}" method to convert unicode characters into Chinese.

#The operating environment of this article: Windows7 system, PHP7.1, Dell G3 computer.

unicode decoding method, convert unicode characters into Chinese, the code is as follows:

function unicodeDecode($unicode_str){
    $json = '{"str":"'.$unicode_str.'"}';
    $arr = json_decode($json,true);
    if(empty($arr)) return '';
    return $arr['str'];
}
 
$unicode_str = "\u65b0\u6d6a\u5fae\u535a";
echo unicodeDecode($unicode_str);

Unicode decoding result: "Sina Weibo"

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