How to convert string variable to json object in php

In PHP, you can use the json_encode() function to convert string variables into json objects, the syntax is "json_encode (string variable)"; the json_encode() function is used to JSON encode variables of any data type , convert it into JSON format data.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Convert string variables into Json format in PHP

<?php
header("Content-Type:text/html;charset=utf-8;");
$arr = array (‘Version_code‘=>2,‘Version_name‘=>‘UpdateVersion‘,‘Versoin_desc‘=>‘更新了地图功能‘,‘Versoin_path‘=>‘http://nnddkj.com/BusIot/APK/BusIot.apk‘);
echo json_encode($arr);
?>

The above code is to convert the string variable into json format for output, but the output result is as follows:

{"Version_code":2,"Version_name":"UpdateVersion","Versoin_desc":"\u66f4\u65b0\u4e86\u5730\u56fe\u529f\u80fd","Versoin_path":"http:\/\/nnddkj.com\/BusIot\/APK\/BusIot.apk"}即数组中所有中文在json_encode之后都不见了或者出现\u2353等。

The solution is to use the urlencode() function to process the following, before json_encode, All contents in all arrays are processed with urlencode(), then converted into json strings using json_encode(), and finally converted back to encoded Chinese using urldecode().

<?php
header("Content-Type:text/html;charset=utf-8;");
$arr = array (‘Version_code‘=>2,‘Version_name‘=>‘UpdateVersion‘,‘Versoin_desc‘=>urlencode(‘更新了地图功能‘),‘Versoin_path‘=>urlencode(‘http://nnddkj.com/BusIot/APK/BusIot.apk‘));
echo urldecode(json_encode($arr));
?>

Output result: {"Version_code":2,"Version_name":"UpdateVersion","Versoin_desc":"Updated map function","Versoin_path":"http://nnddkj.com/BusIot /APK/BusIot.apk"}

Done. .

Attachment: json_decode encodes strings in JSON format, while json_encode encodes variables in JSON

json_decode - encodes strings in JSON format

Description:

mixed json_decode ( string $json [, bool $assoc ] )

Accepts a JSON format string and converts it into a PHP variable, $assoc. When this parameter is TRUE, an array will be returned instead of an object

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