p. We’ve talked about this before, but not recently. Quentin Zervaas has posted a nice tutorial on “how to use APC, PHP 5 and prototype.js to build a file upload progress bar”:http://www.phpriot.com/articles/php-ajax-file-uploads/1.
p. This is a very complete tutorial and is broken down into 10 pages, each containing a single concept. Here is a show quote form the intro.
bq. In this article we will develop a solution that will allow users to upload a file from their computer using HTML forms. We will then determine the progress of the upload while it is in progress using Ajax, and display the status to the user.