How to generate EXCEL document using php

How to generate EXCEL document using php
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Excel Functions
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Save the following code as excel.php and include it in the page

Then call
1. Call xlsBOF()
2. Write some content into xlswritenunber() or xlswritelabel().
3. Then call Call xlSEOF()

You can also use the fwrite function to write directly to the server instead of using echo to only display it on the browser.
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// ----- begin of function library -----
// Excel begin of file header
function xlsBOF() {
echo pack("ssssss", 0x809, 0x8, 0x0, 0x10, 0x0, 0x0);
Return;
}
// Excel end of file footer
function xlsEOF() {
echo pack("ss", 0x0A, 0x00);
Return;
}
// Function to write a Number (double) into Row, Col
function xlsWriteNumber($Row, $Col, $Value) {
echo pack("sssss", 0x203, 14, $Row, $Col, 0x0);
echo pack("d", $Value);
Return;
}
// Function to write a label (text) into Row, Col
function xlsWriteLabel($Row, $Col, $Value) {
$L = strlen($Value);
echo pack("ssssss", 0x204, 8 + $L, $Row, $Col, 0x0, $L);
echo $Value;
return;
}
// ----- end of function library -----
?>

//
// To display the contents directly in a MIME compatible browser
// add the following lines on TOP of your PHP file:

header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header ("Last-Modified: " . gmdate("D,d M YH:i:s") . " GMT");
header ("Cache-Control: no-cache, must-revalidate");
header ("PRagma: no-cache");
header ('Content-type: application/x-msexcel');
header ("Content-Disposition: attachment; filename=EmplList.xls" );
header ("Content-Description: PHP/INTERBASE Generated Data" );
//
// the next lines demonstrate the generation of the Excel stream
//
xlsBOF(); // begin Excel stream
xlsWriteLabel(0,0,"This is a label"); // write a label in A1, use for dates too
xlsWriteNumber(0,1,9999); // write a number B1
xlsEOF(); // close the stream
?>

The above introduces how to use PHP to generate EXCEL documents, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.