How can PHP scripts be optimized to handle dynamic file names for downloads efficiently?

To efficiently handle dynamic file names for downloads in PHP scripts, you can set the appropriate headers before outputting the file content. This includes setting the Content-Type header to the appropriate MIME type and the Content-Disposition header with a filename parameter. By doing so, you ensure that the file is downloaded with the correct name and type.

<?php
// Set the file path
$file = 'path/to/your/dynamic/file.pdf';

// Set the headers for file download
header('Content-Type: application/pdf');
header('Content-Disposition: attachment; filename="dynamic_filename.pdf"');

// Output the file content
readfile($file);