Автоматический прием Яндекс.Денег на сайте на php

<?
require_once($_SERVER["DOCUMENT_ROOT"] . "/conf/config_db_ro_without_auth1.php");
require_once(dirname(__FILE__) . '/lib/YandexMoney.php');
require_once(dirname(__FILE__) . '/sample/consts.php');

class CProcessYandexMoney
{
    private $_data = array();
    private $_secretKey = null;
    private $_token = null;
    private $_clientId = null;

    public function __construct($data, $secretKey, $token, $clientId)
    {
        $this->_setData($data);
        $this->_setSecretKey($secretKey);
    }

    public function process()
    {
        //Application::getLogger()->logArray($this->getData());
        return $this->_processPayment();
    }

    private function _processPayment()
    {
        $yandexMoneyAdapter = new YandexMoneyNew($this->getClientId());
        $originData = $this->getData();
        $processing = $yandexMoneyAdapter->operationDetail($this->getToken(), $originData['operation_id']);
        if ($processing->isSuccess()) {
            return true;
        } else {
            return false;
        }
    }

    protected function _checkPaymentType()
    {
        $originData = $this->getData();
        return $originData['codepro'] != 'false';
    }

    protected function _checkSignification()
    {
        $originData = $this->getData();
        return $this->_createSignification() == $originData['sha1_hash'];
    }

    protected function _createSignification()
    {
        $originData = $this->getData();
        $signData = array(
            $originData['notification_type'],
            $originData['operation_id'],
            $originData['amount'],
            $originData['currency'],
            $originData['datetime'],
            $originData['sender'],
            $originData['codepro'],
            $this->getSecretKey(),
            $originData['label']
        );
        $signReqString = implode('&', $signData);
        $sign = sha1($signReqString);
        return $sign;
    }
}