File Uploaders with PHP
You can build a lot of things with PHP and one important program you can compile are file uploaders which will be important when you need to place images or other files necessary for you site.
If you’re a PHP developer who has built a certain number of web applications, then it’s quite probable that you’ve already worked with HTTP file uploads. They play a relevant role in the business logic of any PHP program that permits users to transfer specific files from their client computers to a web server via a web-based front-end, which is generally represented by an online form.
(Source) Devshed