How to convert json value to array or object in php

In PHP, you can use json_decode() to convert json data into an array or object type, the syntax is "json_decode($json,$assoc)"; when the parameter "$assoc" is omitted, json will be converted into Object, when the value of this parameter is set to "TRUE", json will be converted into an array.

The operating environment of this tutorial: windows7 system, PHP version 8.1, DELL G3 computer

In PHP, you can use the json_decode() function Decodes JSON data and converts JSON data into the appropriate PHP data type (object or array).

Conversion syntax:

json_decode($json,$assoc)

• $assoc parameter can be omitted, the default value is false;

  If this parameter is omitted, the JSON data will be converted into an object

  If the value is set to TRUE, it will be converted to an array.

Example 1: Convert json value to object

<?php
header("Content-type:text/html;charset=utf-8");
$json = &#39;{"a":"php","b":"mysql","c":3}&#39;; 
var_dump($json); 
$obj=json_decode($json);   
var_dump($obj);
?>

Example 2: Convert json value to array

<?php
header("Content-type:text/html;charset=utf-8");
$json = &#39;{"a":"php","b":"mysql","c":3}&#39;; 
var_dump($json); 
$arr=json_decode($json,TRUE);   
var_dump($arr);
?>

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