How can PHP developers troubleshoot and debug file download issues, especially when certain file types are not downloading as expected?

To troubleshoot and debug file download issues in PHP, especially when certain file types are not downloading as expected, developers can check the headers being sent, ensure the correct content type is set, and verify that the file path is correct. Additionally, they can use error handling techniques such as try-catch blocks to catch any exceptions that may occur during the file download process. 

<?php
$file = 'example.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

PHP file download troubleshooting debugging MIME type

Related Questions