Json Encode & Decode Any Object

<?php

//Json Encode Any Object --->Json Object

//PHP ARRAY ---->JSON_ARRAY

//Example : [10,20,30] --->[10,20,30]

//          array(10,20,30) ---->[10,20,30]

//PHP ASSOCIATIVE : Key and values ---> JSON_Object

//MULTI_DEMENSIONAL Array  --->Array_Objects

$student=[

//student - 1

[

'name'=>'ravi',

'class'=>12,

'passed'=>'yes',

],

//student - 2

[

'name'=>'Awnish',

'class'=>10,

'passed'=>'no',

],

];

echo "<pre>";

print_r($student);

echo "</pre>";

echo "<hr/>";

//Encode the data Json

#header("Content-Type:application/json");

$json=json_encode(["student"=>$student],JSON_PRETTY_PRINT);

echo $json;

echo "<hr/>";

echo getType($json);

echo "<hr/>";

echo $json->name; #Not Possible

#Notice: Trying to get property 'name' of non-object in

#We need to Decode : Desialiazation (JSON OBJECT-->PHP OBJECT)

$student_obj=json_decode($json);

echo "<hr/>";

echo getType($student_obj);

echo "<hr/>";

$student = $student_obj->student;

echo getType($student);

echo "<hr/>";

$object=$student[0];

echo "<hr/>";

$name = $object->name;

$class = $object->class;

$status = $object->passed;

echo "<hr/>";

echo "Student name :{$name} <br/>";

echo "Student class :{$class} <br/>";

echo "Student status :{$status} <br/>";