3. In CodeIgniter, you can use orderbyPrice to sort a list of products by their price.$this->db->select('*'); $this->db->from('products'); $this->db->order_by('price', 'desc'); $query = $this->db->get(); $result = $query->result_array();``` As you can see, orderbyPrice is a very useful function for managing and sorting data related to different products, and it can be found in many different PHP libraries and frameworks.