Is it possible to read and manipulate HTTP headers in PHP to control the output of Excel files?

Yes, it is possible to read and manipulate HTTP headers in PHP to control the output of Excel files. One way to achieve this is by setting the appropriate headers to specify the content type as an Excel file and force the browser to download the file instead of displaying it. This can be done using the header() function in PHP. 

<?php
// Set headers to specify content type as Excel file
header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment; filename="example.xls"');

// Output Excel file content
echo "Your Excel file content here";
?>

Keywords

HTTP headers PHP Excel files output control manipulation

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