Codeigniter 4 Force File Download Link Direct

: Set to null if the first parameter is a path. If you want to download a string as a file, pass the data here. 2. Customizing the Download Name

Note: For extremely large files (GBs), it is often better to use a dedicated X-Sendfile header if your server supports it. 5. Common Pitfalls codeigniter 4 force file download

You can generate file content on the fly (e.g., CSV or text) without saving it to the server first: : Set to null if the first parameter is a path

public function downloadText() { $data = "ID,Name,Email\n1,John Doe,john@example.com"; return $this->response->download('users.csv', $data); } Use code with caution. 4. Handling Large Files (Streaming) codeigniter 4 force file download