Bitrix application 3 type with authorization

bitrix_api_sample_app.php

<?php
// for log errors
error_reporting(E_ALL);
ini_set('display_errors', 1);

// autoload classes
include_once __DIR__.'/vendor/autoload.php';

// define variables
const APPLICATION_ID = 'local.56d4c44e94a076.41291969';
const APPLICATION_SECRET = '891fb1cf1312fae25b48eccebe65c846';

const PROTOCOL = 'https';
const DOMAIN = 'supertest.bitrix24.ru';
const REDIRECT_URL = 'http://mborodov.it-master.su';
const PATH = 'https';

// Get code and member_id if not exist
if(empty($_GET['code']) || empty($_GET['member_id'])){
  $params = array(
    "response_type" => "code",
    "client_id" => APPLICATION_ID,
    "redirect_uri" => REDIRECT_URL,
  );
  $path = "/oauth/authorize/";

  Header("HTTP 302 Found");
	Header("Location: ".PATH.'://'.DOMAIN.$path."?".http_build_query($params));
	die();
}

// create log
$log = new \Monolog\Logger('bitrix24');
$log->pushHandler(new \Monolog\Handler\StreamHandler('./bitrix24.log', \Monolog\Logger::DEBUG));

//create bitrix24 objects
$obB24App = new \Bitrix24\Bitrix24(false, $log);
$obB24App->setApplicationScope(['task']);
$obB24App->setApplicationId(APPLICATION_ID);
$obB24App->setApplicationSecret(APPLICATION_SECRET);

// set user-specific settings
$obB24App->setDomain(DOMAIN);
$obB24App->setRedirectUri(REDIRECT_URL);
$obB24App->setMemberId($_GET['member_id']);
$obB24App->setAccessToken($obB24App->getFirstAccessToken($_GET['code'])['access_token']);

// get information about all tasks
$tasks = new \Bitrix24\Task\Items($obB24App);

var_dump($tasks->getList());