With the support for Java, PHP scripts can now be ran on Google App Engine with the help of Quercus, an "open-source, 100% Java implementation of the PHP language."

http://www.webdigi.co.uk/blog/2009/run-php-on-the-google-app-engine/

Nice, no database support. So what are you going to do?

GAE supports memcached :)

[moved from new thread "PHP on Google Apps", unlinked]

phpclasses.org/blog/post/92-Running-PHP-on-Google-App-Engine.html

[Moved from "eticle: PHP on Google App engine" – Tony]

http://mobile.osnews.com/story.php/21307/PHP_on_Google_App_Engine