ini

 function get_cirle()
    {
        $test = $this->db->query("select receive_type, pengunjung from tbl_circle");
        $receive_type=array();
        $pengunjung=array();
        while ($data=mysql_fetch_array($test)){
        {
             echo "['".$data['receive_type']."',".(int)$data["pengunjung"]."],";
        }
        return $data;
    }