";
		// dd(arrayToXml($data));exit;
		// curl_setopt($ch, CURLOPT_POSTFIELDS,$this->toXml($data));
		// curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		// $info = curl_exec($ch);
		// curl_close($ch);
		
		// dump($info);
		// $pay_info = json_decode($return_info->pay_info,1);
		// return $pay_info;

	}

	function sign($params) {
		$signPars = "";
		ksort($params);
		foreach($params as $k => $v) {
			if("" != $v && "sign" != $k) {
				$signPars .= $k . "=" . $v . "&";
			}
		}
		$signPars .= "key=".$this->merchant_key;
		$sign = strtoupper(md5($signPars));
		return $sign;
	}	

	function getPayInfo($response)
	{
		$return_info = simplexml_load_string($response, null, LIBXML_NOCDATA);
		$pay_info = json_decode($return_info->pay_info,1);
		return $pay_info;
	}

	

}