public function getPostsByHourAndDay(DateTime $From, DateTime $To) {
        $query = "SELECT DAY(FROM_UNIXTIME(post_time)) AS day, HOUR(FROM_UNIXTIME(post_time)) AS hour, count(*) AS count
                    FROM nuke_bbposts 
                    WHERE post_time BETWEEN UNIX_TIMESTAMP(?) AND UNIX_TIMESTAMP(?)
                    AND poster_id NOT IN (305,23967)