public function insert($category, $username, $value) { $cat = new Category_Model(); $category = $cat->get_id($category); $user = new User_Model(); $username = $user->get_id($username); $results = $this->db->query("INSERT INTO results SET cat_id = ?, user_id = ?, value = ?, result_date = NOW()", $category, $username, $value); if ($results) { return true; } else { return false; } }