Uploading multiple files on a single submission provides ease of use to your users, especially when they have tons of files to upload into the web. There are many tutorials out there on how to achieve multi file upload using PHP, Our topic today will be about how to upload multiple folders, I am guessing you are here because you are wondering on how to upload multiple folder consisting of sub folders in one submission, and still retain the structure when uploaded into the web. In this tutorial I will be discussing how you can achieve it. If you do not have the time to go over this tutorial, there is also a zip file which you may find at the bottom of this tutorial.

Currently, there isn’t anyway to achieve this using plain HTML and PHP, because as soon as you click on the Choose File button on a regular <input type=”file[]” /> – you are only allowed to select files but not folders. Which is why we will need help from a JavaScript which will allow us to processing files contained in folders, but we will still have to do some PHP coding in order to upload the files into their proper directories and still retain the structure, which I will showing you in a bit.

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Demo: