A brief discussion on JSON data operations in PHP, a brief discussion on phpjson data_PHP tutorial

A brief discussion on JSON data operations in PHP, a brief discussion on phpjson data

JSON, the full name is JavaScript Object Notation. It is a lightweight data exchange format based on the JavaScript programming language ECMA-262 3rd Edition-December 1999 standard, which is mainly used to exchange data with the server. Similar to XML, it is language independent and has great advantages in cross-platform data transmission

Create a new file json.php and do the encode operation first:

 //encode
 //生成JSON格式数据
 $arr = array(1,2,3,4,5,6,7,8,9,'Hello','PHP');
 echo json_encode($arr);//json_encode:把一个对象转换成json格式数据

The result is [1,2,3,4,5,6,7,8,9,"Hello","PHP"]

Do the decoding operation again:

 //decode 解码
 $jsonStr = '{"h":"Hello","w":"World","0":[3,2,1]}';
 $obj = json_decode($jsonStr);
 echo $obj->h;//使用成员访问的方式就可以得到结果

After you know the simple usage method, you can try to capture API data, such as weather...

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