On the Zend Developer Zone today there's a new post from Cal Evans about an article from the minds of Ryan Stewart (Adobe) and Kevin Schroeder (Zend) about the powerful combination of Flex and PHP.
These two have gotten together again to show how you can use Flex (Flash, ActionScript, AIR, you know the drill) and Zend Framework (Winner of a BOSSie) Their new article "Flex and PHP" from the most recent issue of Flash & Flex magazine, talks about using the same controllers and actions for returning both HTML and JSON. This concept of programming for multiple destinations is important in a web where your API may be more important than your HTML.
You can get the full article as a PDF from the DevZone site. It's an extended tutorial on getting Flex and PHP to work together via multiple formats (similar to what Kevin presented on his blog recently.