Yes, you read it right, GTK+, the Gnome Toolkit library, normally used to create desktop applications, can now be used to serve the same applications via the Web to a browser that supports HTML 5 canvas objects.
PHP-GTK is a PHP extension that uses the GTK+ library to build PHP desktop applications. So it can eventually benefit for this GTK library enhancements to build PHP-GTK based applications that can be served over the Web to HTML 5 browsers.
Read this article to learn more about GTK+ 3 HTML 5 canvas backend and how it could be used to run remote PHP-GTK applications that can be accessed over the Web.
PHP is going to come with a built-in Web server, so you will no longer need Apache or any other Web server software to run PHP applications. This is the main topic discussed by Manuel Lemos and Ernani Joppert in the episode 10 of the Lately in PHP podcast.
XMLHttpRequest is getting a new specification named Level 2. This post is just a quick note about another interesting article about what new specification brings and how you can take advantage of it in your AJAX applications.