<?php
require_once('ringside/api/clients/RingsideApiClients.php');
$appapikey = 'YOUR_API_KEY';
$appsecret = 'YOUR_SECRET';

$ringside = new RingsideApiClients($appapikey, $appsecret);

// force a login page
$ringside->require_frame();
$user = $ringside->require_login();

// Echo the "infinite session key" that allows the application to call APIs using this session
echo $ringside->api_client->session_key;
?>