CodeIgniter provides some built-in helpers to make easy to implement some useful functionality in the web application. Download Helper is one of them that lets you integrate file download feature quickly in CodeIgniter. In this CodeIgniter tutorial, we will show you how easily you can download file or image from database using Download Helper. The Download Helper have a force_download() function that generates server headers which force data to be downloaded to your computer. You can download existing file from the server using force_download() function. The force_download() function accepts 3 parameters – $filename (string), $data (mixed), and $set_mime (bool). To download the existing file you’ll need to use the force_download() function like the following. force_download('/path/to/photo.jpg', NULL); Here we’ll provide an example script to download files or images from database in CodeIgniter application. The following functionalities will be implemented in this scr...