CodeIgniter - Best way for checking true result

Question

What’s the best way for checking if some method in model or anywhere else was correctly carried out?

Is this a good way?

Model:

$data[\'field         


        

Answer 1

try with these

// INSERT

$this->db->insert_id();

// UPDATE and DELETE

$this->db->affected_rows();

// SELECT

$this->db->num_rows();