Simple JWT Generator

1<?php
2require 'vendor/autoload.php';
3use Firebase\JWT\JWT;
4
5$key = 'secretkey';
6$payload = [
7    'iss' => 'example.com',
8    'iat' => time(),
9    'exp' => time() + 3600,
10    'user_id' => 123
11];
12
13$jwt = JWT::encode($payload, $key, 'HS256');
14echo $jwt;
15?>
16