What are some best practices for managing file downloads in PHP to ensure a smooth user experience and prevent download errors?

When managing file downloads in PHP, it is important to set appropriate headers to ensure a smooth user experience and prevent download errors. This includes setting the content type, content length, and content disposition headers. Additionally, it is recommended to use readfile() function to stream the file directly to the user's browser. 

<?php
$file = 'path/to/file.pdf';

if (file_exists($file)) {
    header('Content-Description: File Transfer');
    header('Content-Type: application/pdf');
    header('Content-Disposition: attachment; filename=' . basename($file));
    header('Content-Length: ' . filesize($file));
    readfile($file);
    exit;
} else {
    echo 'File not found';
}
?>

Keywords

file downloads PHP user experience error prevention management

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