Pagination Style Codeigniter With Bootstrap 4

// Bootstrap 4, work very fine. Pagination Style With Codeigniter
$config['full_tag_open'] = '<ul class="pagination">';
$config['full_tag_close'] = '</ul>';
$config['attributes'] = ['class' => 'page-link'];
$config['first_link'] = false;
$config['last_link'] = false;
$config['first_tag_open'] = '<li class="page-item">';
$config['first_tag_close'] = '</li>';
$config['prev_link'] = '&laquo';
$config['prev_tag_open'] = '<li class="page-item">';
$config['prev_tag_close'] = '</li>';
$config['next_link'] = '&raquo';
$config['next_tag_open'] = '<li class="page-item">';
$config['next_tag_close'] = '</li>';
$config['last_tag_open'] = '<li class="page-item">';
$config['last_tag_close'] = '</li>';
$config['cur_tag_open'] = '<li class="page-item active"><a href="#" class="page-link">';
$config['cur_tag_close'] = '<span class="sr-only">(current)</span></a></li>';
$config['num_tag_open'] = '<li class="page-item">';
$config['num_tag_close'] = '</li>';