<?php
include './wepay_api.inc';
$W = new WePay($access_token, $token_secret);
$user = $W->post('/user/register',array('email'=>'rasmus@slowgeek.com'));
$data = array('to'     => $user->user_id,
              'amount' => 100,
              'due'    => '3 weeks from now',
              'reason' => 'You owe me money, man!',
              'rd'     => 'http://progphp.com/rd.php');
$group_id = apc_fetch('group_id');
$bill = $W->post("/group/send_bill/$group_id", $data);
print_r($bill);