How to get Latest Topic for each category in Forum Home Page

[eluser]sv3tli0[/eluser]
Try this...
It must return latest posts, 1 per cat

Code:

function get_latest_posts()
{
  $this->db->from('topics')->order_by('topic_id','DESC')->group_by('topic_cat_id');
  $get_categories = $this->db->get();
  return $get_categories->result_array();
}