REQUEST EXTENDED PERMISSION WITH FACEBOOK PHP SDK 3.0

next & cancel_url are now redirect_uri
req_perm is now scope

Previous version:

facebook->getLoginUrl(
 array(
 'canvas'    => 1,
 'fbconnect' => 0,
 'display'   => 'page',
 'next'      => 'http://yoursite.com/?auth',
 'cancel_url'=> 'http://yoursite.com/?cancel',
 'req_perms' => 'publish_stream'
 )
);

Version 3.0

facebook->getLoginUrl(
 array(
 'redirect_uri'=> 'http://yoursite.com/handle_response.php',
 'scope' => 'publish_stream'
 )
);