What are the key features to consider when implementing a download management script in PHP, such as voting, download counter with IP blocking, and download limits?

// Example PHP code snippet for implementing a download management script with voting, download counter, and download limits

// Function to handle download process
function handleDownload($downloadId, $userId) {
    // Check if user has reached download limit
    if (hasReachedDownloadLimit($userId)) {
        return "You have reached the download limit.";
    }

    // Increment download counter
    incrementDownloadCounter($downloadId);

    // Allow user to download the file
    downloadFile($downloadId);

    // Update user's download count
    updateDownloadCount($userId);

    return "Download successful.";
}

// Function to check if user has reached download limit
function hasReachedDownloadLimit($userId) {
    // Implement logic to check if user has reached download limit
    return false;
}

// Function to increment download counter
function incrementDownloadCounter($downloadId) {
    // Implement logic to increment download counter for the specified download
}

// Function to allow user to download the file
function downloadFile($downloadId) {
    // Implement logic to serve the file for download
}

// Function to update user's download count
function updateDownloadCount($userId) {
    // Implement logic to update user's download count
}