PHP file upload class for single or multiple files with many validations.
How to Upload a File to a Server in PHP
Multiple File Upload with PHP
File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file uploads. Works with any server-side platform (Google App Engine, PHP, Python, Ruby on Rails, Java, etc.) that supports standard HTML form file uploads.
File uploads with validation and storage strategies
A complete class to upload files with php 5 or higher, but the best: very simple to use.
Simple and convenient file uploads — secure by default
A PHP5 class library that offers a very easy, yet powerful way to handle uploading of files submitted via a form.
This simple PHP script will generate the HTML <form> element needed to directly upload a file to Amazon S3 servers (using POST).