<?php
include './wepay_api.inc';
$W = new WePay($access_token, $token_secret);
$group_id = apc_fetch('group_id');
$trs = $W->get("/group/transactions/$group_id");
if(count($trs)) {
    $id = $trs[0]->id;
    $tr = $W->get("/transaction/$id");
    print_r($tr);
} else {
    echo "No transaction yet";
}