phpexcel.net make excel using php

<?php
$s='Start :'.date('H:i:s')."<hr>";
if($_GET['stat']=='open')
{
/*
xls=application/vnd.ms-excel
xlsx=application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
*/
    $_GET['type']=='2k3'?header('Content-type:application/vnd.ms-excel'): header('Content-type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet') ;
    $_GET['type']=='2k3'?$fName='tmp/002data.xls':$fName='tmp/002data.xlsx';
    header('Content-Disposition: attachment; filename="002.xlsx"');
    $f=file_get_contents($fName);
    echo $f;
    $stop=1;
    die();
}

if($_GET[stat]=='go')
{
    /* make excel */
    //die(__FILE__); C:\\php\\kerjaan4\\excel2\\n<br/>asgor002-makeExcel.php
    $type=$_GET['type'];
    error_reporting(E_ALL);
    date_default_timezone_set('Europe/London');
    require_once 'Classes/PHPExcel.php';
    // Create new PHPExcel object
    $s.= date('H:i:s') . " Create new PHPExcel object\\n<br/>";
    $objPHPExcel = new PHPExcel();

    // Set properties
    $s.= date('H:i:s') . " Set properties\\n<br/>";
    if($type=='2k3') $sType='2003 XLS';
    if($type=='2k7') $sType='2007 XLSX';

    $objPHPExcel->getProperties()->setCreator("Nasgor")
     ->setLastModifiedBy("Gunawan")
     ->setTitle("Office  Test Document")
     ->setSubject("Office $sType Test Document")
     ->setDescription("Test document for Office $sType, generated using PHP classes.")
     ->setKeywords("office $sType openxml php")
     ->setCategory("Test result file");


    // Add some data
    $s.= date('H:i:s') . " Add some data\\n<br/>";
    $objPHPExcel->setActiveSheetIndex(0)
        ->setCellValue('A1', 'Hello')
        ->setCellValue('B2', 'world!')
        ->setCellValue('C1', 'Hello')
        ->setCellValue('D2', 'world!');
    $objPHPExcel->setActiveSheetIndex(0)
        ->setCellValue('A7',$sType)
        ->setCellValue('C7',date('d-m-Y'));
    //if i put in A4.. the below will erase it

    // Miscellaneous glyphs, UTF-8
    $objPHPExcel->setActiveSheetIndex(0)
        ->setCellValue('A4', 'Miscellaneous glyphs')
        ->setCellValue('A5', 'éàèùâêîôûëïüÿäöüç');

    // Rename sheet
    $s.= date('H:i:s') . " Rename sheet\\n<br/>";
    $objPHPExcel->getActiveSheet()->setTitle('Simple');


    // Set active sheet index to the first sheet, so Excel opens this as the first sheet
    $objPHPExcel->setActiveSheetIndex(0);


    // Save Excel 2007 file
    $s.= date('H:i:s') . " Write to $sType format\\n<br/>";

    if($type=='2k3') $writeAs='Excel2003';
    if($type=='2k7') $writeAs='Excel2007';

    $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, $writeAs);
    if($type=='2k3') $objWriter->save('tmp/002data.xls');
    if($type=='2k7') $objWriter->save('tmp/002data.xlsx');
    //str_replace('.php', '.xlsx', __FILE__)

    // $s.= memory peak usage
    $s.= date('H:i:s') . " Peak memory usage: " .
        (memory_get_peak_usage(true) / 1024 / 1024) . " MB\\r\\n<br/>";

    // $s.= done
    $s.= date('H:i:s') . " Done writing file.\\r\\n<br/>";
    $s.="<a href='?stat=open&type=$type'>Open the document($sType)</a>";
    $stop=1;
}

if($stop==1)die($s);
?>
This Script will be make an excel file (xls2k3/xls 2k7) then you can download it or open it in the browser.
Chrome usualy download it not open in the browser<ol>
<li><a href='?stat=go&type=2k7'>Click to continue (create xlsx)</a>
<li><a href='?stat=go&type=2k3'>click to continue (create xls)</a> (not avaiable)
</ol>