According to this new post on the Zend Developer Zone today, Mike Potter from Adobe has announced an unofficial SDK linking PHP and the Adobe RIA technology for each application development.
Mike Potter our buddy over at Adobe, world class programmer and all around great guy, has announced his latest project The (unofficial) Adobe PHP SDK.
Cal also mentions some of the ways to help out and get involved with the SDK project including testing out the samples in the project and helping to improve the look of the samples already in the project.
You can get complete information about the SDK in this post from Mike's blog.