PHP Ring Central 3 Legged Auth Login - 2 of 2

ring-central-3-legged-log-in-engine.php

<?php
require('vendor/autoload.php');
use RingCentral\SDK\Http\HttpException;
use RingCentral\SDK\Http\ApiResponse;
use RingCentral\SDK\SDK;

$rcsdk = new SDK(constant('RINGCENTRAL_CLIENT_ID'), constant('RINGCENTRAL_CLIENT_SECRET'), constant('RINGCENTRAL_SERVER_URL'));
$platform = $rcsdk->platform();

if (isset($_REQUEST['oauth2callback'])){
	if (!isset($_GET['code'])) {
		return;
	}
	$qs = $platform->parseAuthRedirectUrl($_SERVER['QUERY_STRING']);
	$qs["redirectUri"] = constant('RINGCENTRAL_REDIRECT_URL');

	$platform->login($qs);
	$_SESSION['ringCentralSessionAccessToken'] = $platform->auth()->data();
	header("Location: " .  constant('RINGCENTRAL_REDIRECT_URL_INTERNAL'));
}

?>