function report_pacient()

        {

                $this->load->library('PHPExcel');

               

                $objPHPExcel = new PHPExcel();

                $objPHPExcel->getProperties()->setTitle("export")->setDescription("none");

                $objPHPExcel->setActiveSheetIndex(0)->setCellValue('B2', iconv("utf-8", "windows-1251", 'Hello'));

                $filename = 'file';

                header ('Content-Type: application/vnd.ms-excel');

                header ('Content-Disposition: attachment;filename="'.$filename.'"');

                header ('Cache-Control: max-age=0');

                $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');

                $objWriter->save('php://output');

        }