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; } }