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Scott Mattocks is continuing his PHP-GTK series over on php|architect's ART (article repository) with this look at enhancing the process started in part one.
Part I of this PHP-GTK series looked at what PHP-GTK is and why you might want to use it. The next installment, "Hello PHP-GTK 2", gets down to business with the requisite "Hello World" application. This article attempts to go a little deeper than just showing the code to get it working. Instead the article talks about how each line of the application interacts with the others, giving a better picture of the process of building a PHP-GTK application.
You should already have the needed PHP-GTK installation performed before checking this one out - there's no installation walkthrough here. He starts off with a very simple example, an empty window, that will serve as the testbed for the rest of the tutorial. He adds on to this humble beginning with increasing functionality (explaining each step of the way) to finally echo out a "Hello PHP-GTK" inside the box.