I'm looking for php game engine/framework. Free or cheap, preferably open source (but it's not requirement). If there's nothing like this available I'd be fine with modifying some open source game...
I like Legend of the Green Dragon a lot (simple but enjoyable gameplay :) but it's use terms are very limited - they don't give you permissions to place ads in your game, change donations button to something else than paypal, etc...
Googling for "php game engine"
yielded this page as 1st serp with a rather large lists of game engines.
The only engine written in PHP according to this list is
But apparently Legend of the Green Dragon is written in PHP too and can be self hosted as well