Read this article to learn how file upload process works in php. All the selected files will be uploaded to the uploads directory. Today we will build a form that will allow the user to upload multiple files to the server at once using HTML5, jQuery and PHP.You will need the jQuery library and some jQuery code which will come later. This will sit in the custom.js file. You can do this with HTML forms(input typefile) or jQuery background uploaders. Uploads are stored by default in the temporary directory of your web server, the current directory can be found by looking at the output of phpinfo().copy jQuery File Upload files in the proper directories of your Rails app. Best jQuery file upload plugin tutorial with examples and demo.List consist of jquery file uploader, jquery multiple file upload , post file uploads.