$date = strtotime($_GET['month']);
        $month=date("m",$date);
        $year=date("Y",$date);
        
        $objPHPExcel = new PHPExcel();
        $style1 = array(
            'alignment' => array( 'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_CENTER, )
        );
    	$style = array(
            'alignment' => array( 'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_CENTER, ),
            'fill' => array( 'type' => PHPExcel_Style_Fill::FILL_SOLID, 'color' => array('rgb' => '	ffbf00') )
        );
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', 'GMP Software Pvt Ltd' );
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A2', 'Attendance Report - '.$month.'-'.$year );
        
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A3', 'Employee Id');
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue('B3', 'Employee Name');
        $mon = explode("-", $_GET["month"]);
        $curdate=strtotime(date("d", $timestamp)."-".$mon[1]."-".$mon[0]);
        $days = cal_days_in_month(CAL_GREGORIAN,$mon[1],$mon[0]);
        $b = 'C'; 
        $counter = 1;
        for ($i =1; $i <= $days; $i++) {
            $datenum = $counter++;
            $today = date("$year-$month-$datenum", strtotime($_GET['month']));
            $objPHPExcel->setActiveSheetIndex(0)
            ->setCellValue($b++. + 3, $today);
            $objPHPExcel->setActiveSheetIndex(0)->mergeCells('A1:'.$b. + 1);
            $objPHPExcel->setActiveSheetIndex(0)->getStyle('A1:'.$b. + 1)->applyFromArray($style1);
            $objPHPExcel->setActiveSheetIndex(0)->mergeCells('A2:'.$b. + 2);
            $objPHPExcel->setActiveSheetIndex(0)->getStyle('A3:'.$b. + 3)->getFont()->setBold( true );
            $objPHPExcel->setActiveSheetIndex(0)->getStyle('A2:'.$b. + 2)->applyFromArray($style);
        }
        $ii = 4;
        $sql = "SELECT * FROM employee WHERE status='active' AND department LIKE '%".$_GET["department_name"]."%'";
        $result = $conn->query($sql);
        if ($result->num_rows > 0) {
            while ($row = $result->fetch_assoc()) {
                $objPHPExcel->setActiveSheetIndex(0)
                ->setCellValue('A'.$ii, $row["emp_id"]);
                $objPHPExcel->setActiveSheetIndex(0)
                ->setCellValue('B'.$ii, $row["emp_name"]);
                $b1 = 'C';
                
                $temp = Array();
                $temp["emp_id"] = $row["emp_id"];
                for ($i = 1; $i <= $days; $i++) {
                    $today = $mon[0]."-".$mon[1]."-".$i;
                    $mydate=strtotime($i."-".$mon[1]."-".$mon[0]);
                    if($curdate > $mydate) {
                        $sql1 = "SELECT * FROM attendence WHERE DATE(indate)='$today' AND emp_id='".$row["emp_id"]."'";
                        $result1 = $conn->query($sql1);
                        if ($result1->num_rows > 0) {
                            while ($row1 = $result1->fetch_assoc()) {
                                $temp[$today] = "P";
                            }
                        } else {
                            $temp[$today] = "A";
                        }
                    } else {
                        $temp[$today] = "";
                    }
                    $objPHPExcel->setActiveSheetIndex(0)
                    ->setCellValue($b1++. + $ii, $temp[$today]);
                }
                $ii++;
            }
        }
                
        $objPHPExcel->getActiveSheet()->setTitle('Simple');
        $objPHPExcel->setActiveSheetIndex(0);
        
        $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
        $objWriter->save(__DIR__."/employeesalaryreport.xls");
        
        $file = 'employeesalaryreport.xls';
        header('Content-Description: File Transfer');
        header('Content-Type: application/octet-stream');
        header('Content-Disposition: attachment; filename="'.basename($file).'"');
        header('Expires: 0');
        header('Cache-Control: must-revalidate');
        header('Pragma: public');
        header('Content-Length: ' . filesize($file));
        readfile($file);
        unlink('employeereport.xls');
    }