Why? PHP is on Github now. Merging changes from upstream should be relatively trivial as long as you don't get too excited about adding/subtracting stuff.
http://git.php.net/ https://github.com/php/php-src
EDIT: They are receptive pull requests, though.
Why? PHP is on Github now. Merging changes from upstream should be relatively trivial as long as you don't get too excited about adding/subtracting stuff.