public function structure_provider()
{
return array(array("/%post_id%/"), array("/%postname%/"), array("/%year%/%monthnum%/%day%/%post_id%/"), array("/%year%/%monthnum%/%day%/%postname%/"), array("/%author%/%post_id%/"), array("/%author%/%postname%/"), array("/%ctax%/%post_id%/"), array("/%ctax%/%postname%/"), array("/%category%/%post_id%/"), array("/%category%/%postname%/"), array("/%category%/%ctax%/%post_id%/"), array("/%category%/%ctax%/%postname%/"), array("/%ctax%/%category%/%post_id%/"), array("/%ctax%/%category%/%postname%/"), array("/%ctax%/%author%/%year%/%monthnum%/%day%/%category%/%post_id%/"), array("/%ctax%/%author%/%year%/%monthnum%/%day%/%category%/%postname%/"));
}