如何在codeigniter中的select语句中使用between子句

Question

I'm trying to get data from database by taking one data row from one table and use those values as where condition. and then i tried pass json string to controller class. but i'm unable to reach this. how should i write this code This is code i used to get data.

 $query = $this->db->query("SELECT * FROM todaywork WHERE idEmployee = $user ");

        if ($query->num_rows() > 0)
        {
           $row = $query->row(); 

               $from = $row->T_frange;
               $to = $row->T_trange;
               $note = $row->T_note;
        }     
               $this->db->select("cus.idCustomer,cus.C_name,f.F_itemname,ctr.*");
                //$whereCondition = array('cus.idCustomer' => $_POST['custId']);
                $this->db->where('C_trnoofarr BETWEEN {$from} AND {$to}');
                //filter where
                $this->db->from('customer cus');
                $this->db->join('contracts AS ctr', 'cus.idCustomer = ctr.idCustomer', 'INNER');
                $this->db->join('facility AS f','ctr.idContracts = f.idContracts','INNER');
                $query = $this->db->get();

                return $query->result();

    }

Answer 1

Use this for between

$this->db->where('C_trnoofarr >', $from);
$this->db->where('C_trnoofarr <', $to);