test.php

<?php
require 'vendor/autoload.php';

// This is your id token
$token ='eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.ZVdzRntRHoIK1VObdyoswFpRAuL5doCBa5rHZsZY_XQ';

// This is your client secret
$key = '5yy6vCe0ChxadKGsVcX47VMCNZLBwWVrBLQdWeFJZ0_S2fLFi2o9wifuzE-U3MRX';


$decoded = JWT::decode( $token, base64_decode(strtr($key, '-_', '+/')) );

print_r($decoded)
?>