This script uses XMLHttpRequest for uploading multiple files with progress-bar with drag and drop feature in Firefox 3.6+, Safari 4+ and Chrome; and falls back to hidden iframe based upload in other browsers. Features multiple file select, progress-bar in Firefox, Chrome, Safari drag-and-drop file select in Firefox, Chrome uploads are cancellable no external dependencies doesn’t

One of the questions you face in interview on PHP  is  about the key features added in PHP 5.? I have not found any single  page on web which lists the key features introduced in php5. so here is the list. The final release of PHP 5 was announced on 13 July 2004.(as per php.net