ci pagination helper

function init_pagination2($uri, $total_rows, $per_page = 10, $segment = 4){
    $ci =& get_instance();
    $config['per_page'] = $per_page;
    $config['uri_segment'] = $segment;
    $config['base_url'] = base_url().$uri;
    $config['total_rows'] = $total_rows;
    $config['use_page_numbers'] = TRUE;
    $config['prev_link'] = '';
    $config['next_link'] = '';
    $config['last_link'] = '';
    $config['first_link'] = '';
    $config['full_tag_open'] = '<div class="btn-group" role="group" aria-label="First group">';
    $config['full_tag_close'] = '</div>';
    $config['first_tag_open'] = '<li class="btn btn-outline-secondary pagi_first">';
    $config['first_tag_close'] = '</li>';
    $config['last_tag_open'] = '<li class="btn btn-outline-secondary pagi_last">';
    $config['last_tag_close'] = '</span></li>';
    $config['prev_tag_open'] = '<li class="btn btn-outline-secondary pagi_prev">';
    $config['prev_tag_close'] = '</li>';
    $config['next_tag_open'] = '<li class="btn btn-outline-secondary pagi_next">';
    $config['next_tag_close'] = '</li>';
    $config['cur_tag_open'] = '<li class="btn btn-outline-secondary active">';
    $config['cur_tag_close'] = '</li>';
    $config['num_tag_open'] = '<li class="btn btn-outline-secondary">';
    $config['num_tag_close'] = '</li>';
    $ci->pagination->initialize($config);
   
    return $config;
}