static function getParams()
{
global $con;
if (isset($_GET['deviceId']) && isset($_GET['passcode']) && isset($_GET['marker'])) {
self::$deviceId = $_GET['deviceId'];
self::$passcode = $_GET['passcode'];
self::$marker = urlencode($_GET['marker']);
} else {
self::$response_array['message'] = 'missing params';
echo json_encode(self::$response_array);
mysql_close($con);
die;
}
}
