Sounds exactly what you want ? Are you damn curious about how to bypass captcha with php? Me too, and, I’ve found a very interesting set of functions which does that for you. Go to http://pastebin.com/f1560d747
You’ll see it’s requesting an api key you may get right here http://www.captchakiller.com/
Good Luck!
I have not tested it yet, you may let me know how is it by commenting!