This tutorial shows you how to upload files to web server in PHP. We will give you an example of uploading a picture to the web server and display it on a web page.PHP HTML form. PHP File Upload. PHP Muti-Values Fields. For example, Id like to be able to select a series of images, then upload them to the server, all at once. It would be great to use a single file input control, if possible.My question is how can I upload files if I use file?