PHP json encode – Convert Array To JSON, Object To JSON

PHP json encode – Convert Array To JSON, Object To JSON

The PHP json_encode() function function is used to convert PHP array or object into JSON. PHP has some pre inbuilt functions to handle JSON.

In this tutorial, we will learn how to convert PHP Object to JSON, convert PHP String to JSON, PHP Array To JSON, get data from JSON array in php convert Multidimensional PHP Array into JSON with definition, syntax, and examples.

What is JSON?

JSON means JavaScript object notation. This is the data saved in the .json file and consists of a series of key/value pairs format. JSON is used to transfer data between server-side and client-side.

PHP json_encode

Defination:- The PHP json_encode() function function is used to convert PHP array or object into JSON.

Syntax

json_encode(value, options);

Parameters of PHP json_encode() function

ParametersTypeDescription
valueMixedAny PHP type except resource. Must be UTF character encoded data.
optionsIntegerBitmask comprising of JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_NUMERIC_CHECK, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_FORCE_OBJECT.

Example:-

<?php

$arr = array('name' => 'test', 'email' => '[email protected]', 'mobile' => '88888xxxx', 'age' => 25);
echo json_encode($arr)."\n";

?>

Output of the above code is:- {“name”:”test”,”email”:”[email protected]”,”mobile”:”88888xxxx”,”age”:25}

Convert Object to JSON in PHP

Here, we will convert Object to JSON format using PHP json_encode() method. Let’s see example below:

<?php

class Color {
  
}

$color = new Color();
$color->title = 'Block';
$color->code = 'FFF';

$json = json_encode($color);
echo $json."\n"; 

?>

Output of the above code is: {“title”:”Block”,”code”:”FFF”}

Convert String to JSON in PHP

Here we will take another example using the PHP json_encode() function.

<?php

$string = "hello php dev";
echo json_encode($string)."\n";

?>

The output of the above code is: “hello php dev”

PHP Convert Array To JSON

How to get data from JSON array in PHP?

We will take an example for convert PHP array to JSON or get data from JSON array in PHP using the PHP json_encode() function.

<?php

$arr = array('Name' => 'Test', 
            'Age' => 24, 
            'Email' => '[email protected]'); 
echo json_encode($arr)."\n";

?>

Output of the above code is: {“Name”:”Test”,”Age”:24,”Email”:”[email protected]”}

PHP Convert Multidimensional Array into JSON

If you want to convert multidemsional array to json in PHP using the json_encode() function. Let’s see the example below:

<?php

$data = array(
  'product' => array(
    'product_id' => 1,
    'product_color' => 'Black',
    'product_name' => 'Laptap',
    'brand_name' => 'DELL',
  )
);

echo json_encode($data)."\n";

?>

Output of the above code is: {“product”:{“product_id”:1,”product_color”:”Black”,”product_name”:”Laptap”,”brand_name”:”DELL”}}

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AuthorAdmin

My name is Devendra Dode. I am a full-stack developer, entrepreneur, and owner of Tutsmake.com. I like writing tutorials and tips that can help other developers. I share tutorials of PHP, Python, Javascript, JQuery, Laravel, Livewire, Codeigniter, Node JS, Express JS, Vue JS, Angular JS, React Js, MySQL, MongoDB, REST APIs, Windows, Xampp, Linux, Ubuntu, Amazon AWS, Composer, SEO, WordPress, SSL and Bootstrap from a starting stage. As well as demo example.

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