<?php
require_once('vendor/autoload.php');
$client = new \GuzzleHttp\Client();
$response = $client->request('GET', 'https://api.themoviedb.org/3/authentication', [
'headers' => [
'accept' => 'application/json',
'Authorization' => 'Bearer {ACCESS_TOKEN}'
],
]);
echo $response->getBody();