On the PHPClasses blog today there's a nw interview posted where Manuel Lemos talks with Teoni Valois, an experiences Windows user, about the latest advancements in running PHP on Azure.

PHP is now officially supported as a language for developing applications that can run on Windows Azure, Microsoft's cloud operating system. [...] Teoni Valois [is] an independent PHP and .NET expert that answered some questions to give an overview of the PHP support on Windows Azure. He also talks about the advantages and disadvantages of running PHP applications on this environment when compared to regular Windows or Linux based hosting or other cloud computing environments.

There's mention of the past involvement Microsoft has had with the PHP project and what the new PHP on Azure functionality makes possible.