Implement JWT(JSON Web Token) in PHP

CONFIG FILE

<?php

return [

    "jwt_secret" => "This is secret key",

];

ENCODE Data File

<?php

require_once "vendor/autoload.php";

use Firebase\JWT\JWT;

use Firebase\JWT\Key;

$config = require_once "config.php";

$secret_key = $config["jwt_secret"];

$payload = array(

    "iss" => "sharmacoder",

    "iat" => time(),

    "exp" => strtotime("+1 hour"),

    "email" => "sharma@gmail.com"

);

$jwt = JWT::encode($payload, $secret_key, "HS256");

echo "JWT : " . $jwt;

DECODE Data File

<?php

require_once "vendor/autoload.php";

use Firebase\JWT\JWT;

use Firebase\JWT\Key;

$config = require_once "config.php";

$secret_key = $config["jwt_secret"];

$headers = apache_request_headers();

if (isset($headers["Authorization"])) {

    $authorizationHeader = $headers["Authorization"];

    //print_r($authorizationHeader);

    $headerValue = explode(" ", $authorizationHeader);

    $jwt = $headerValue[1];

    try {

        $decoded = JWT::decode($jwt, new Key($secret_key, "HS256"));

        print_r($decoded);

    } catch (Exception $e) {

        echo "Error : " . $e->getMessage();

    }

} else {

    echo "No Authorization header is present<br><br>";

}

$data = [

    "name" => "My secure product",

    "code" => "6594"

];

print_r($data);