// Function to download a file
function downloadFile($fileUrl)
{
    // Initialize cURL session
    $curl = curl_init();

    // Set cURL options
    curl_setopt($curl, CURLOPT_URL, $fileUrl);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0');

    // Execute cURL request
    $fileContent = curl_exec($curl);

    // Check for errors
    if ($fileContent === false) {
        echo 'Error: ' . curl_error($curl);
        exit;
    }

    // Close cURL session
    curl_close($curl);

    // Set headers for file download
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename="' . basename($fileUrl) . '"');

    // Output file content
    echo $fileContent;
}