How to modify this piece of code in codeigniter

private function get_sum_value_total_spent_receive_today($table, $field){
    if (!get_role("admin")) {
        $this->db->where("uid", session("uid"));
    }
    $this->db->select("SUM(".$field.") as total");
    $this->db->from($table);
    $this->db->where("status", 1);
    $query = $this->db->get();
    $result = $query->result();
    if ($result[0]->total > 0) {
        return $result[0]->total;
    }else{
        return 0;
    }

}

private function get_sum_value_total_spent_receive_today($table, $field){
    if (!get_role("admin")) {
        $this->db->where("uid", session("uid"));
    }
    $this->load->helper('date');
    $this->db->select("SUM(".$field.") as total");
    $this->db->from($table);
    $this->db->where("status", 1);
    $this->db->set('created', 'NOW()', FALSE);
  $query = $this->db->get();
    $result = $query->result();
    if ($result[0]->total > 0) {
        return $result[0]->total;
    }else{
        return 0;
    }

}