What are the potential security risks of passing $_FILES as a parameter to a URL shortening function like CompressURL?

Passing $_FILES as a parameter to a URL shortening function like CompressURL can pose a security risk as it may expose sensitive file information to potential attackers. To solve this issue, it is recommended to avoid passing $_FILES directly and instead handle file uploads securely within the function itself.

// Example of securely handling file uploads within the function
function CompressURL($file) {
    // Process file upload securely within the function
    // Ensure proper validation and sanitization of the file data
    // Generate a unique URL for the file and return it
}