function comments($page){
    $this->load->library('pagination');

    $this->load->model("model_get");

    $config['base_url'] = base_url('main/comments/'.$this->uri->segment(3).'/');
    $config['total_rows'] = $this->model_get->getCommentcount();
    $config['per_page'] = 5;
    $config['uri_segment'] = 4;
    $this->pagination->initialize($config);

    $data["results"] = $this->model_get->getComments($config['per_page'], $page);
    $this->load->view('content_comment', $data);
}

function getComments($limit, $start){
        $this->db->from('comments');
        $this->db->where('blog_id', $this->uri->segment(3));
        $this->db->limit($limit, $this->uri->segment(4));
        $results = $this->db->get();

        if ($results)
        {
            return $results->result();
        }else{

        return FALSE;
        }
    }

<?php
    foreach($results as $row){
        $text = $row->text;
        echo "<h3>". $text ."</h3>";
        $author = $row->author;
        echo "<p>". $author ."</p>";
    }

$this->db->order_by("blog_id", "desc");