How to check if id already exists - codeigniter

Question

i am trying to check if an id in the database already exists and if it does not then only insert that id and not the other ones that exist

I have tried to do a where sta

Answer 1

$ql = $this->db->select('id')->from('testing')->where('id',$id)->get();

if( $ql->num_rows() > 0 ) {} else {
    $a = array('id' => $id, 'message' => $message);
    $this->db->insert('testing', $a);
}

This should do it.