This video shows you how to use PHP to upload a file to your PHP web server.
I start with the HTML form, that prompts the user to browse for a file to upload. Things to watch for:
Use the enctype="multipart/form-data" attribute in your form declaration. If you forget that, nothing will work.
The form action must be the name of the php file that processes the form: action="upload_file.php"
The method should be POST: method="post"
Note that the $_FILES["file"] variable is an array with such goodies as:
error, name, type, size, and tmp_file to access;