public function consumerId()
    {
        if (isset($this->session->data['customer_id']) === true) {
            return $this->session->data['customer_id'];
        }
        return null;
    }
public function consumerId()
    {
        if (isset($this->session->data['customer_id']) === true) {
            return $this->session->data['customer_id'];
        }
        return null;
    }
public function consumerId ( ) { if ( isset ( $ this -> session -> data [ 'customer_id' ] ) === true ) { return $ this -> session -> data [ 'customer_id' ] ; } return null ; }
-> NEW
- > NEW