https://bayeseanblog.com/blog/php-file-downloader-from-a-inbox-selection/4

This is an update of the original blog updated from bootstrap 3 to use bootstrap 4 .The viewer has been removed and replaced with the above gif.

• Must not show the download button immediately to prevent non-human downloading.

• Must keep the user knowledgeable as to what is happening by adding a count-down timer linked to a progress bar.

• Must flow automatically.

• Must immediately download the file that was selected on the click of the button that became visible after completion of the progress bar.

Medium. Good knowledge of Javascript/Ajax and PHP required would help.

Bootstrap 4 Framework.

PHP 5.6.

Downloader.php - A PHP Library (A free to use file download library created by Jack Mason )

This is included in the included Download below.

JQuery – download from here or visit the website http://jquery.com.

Javascript.

Index.php

This file contains the visual element of a drop down box to select the file to download.

Download2.php

This file contains the visual download progress bar and button to download the file.

Downloader1.php

This file is called by the download button and processes the file to download.

Downloader.php

This holds all the mime information and allows any type of file to be downloaded.

Visit the Bayesean Blog to gain insight on the functionality of the code.

Licence is MIT.