Comment::set PHP Method

    public function set($key, $value)
    {
        if (in_array($key, array('id', 'parent_id', 'status', 'flags', 'pages_id', 'created', 'created_users_id'))) {
            $value = (int) $value;
        } else {
            if ($key == 'text') {
                $value = $this->cleanCommentString($value);
            } else {
                if ($key == 'cite') {
                    $value = str_replace(array("\r", "\n", "\t"), ' ', substr(strip_tags($value), 0, 128));
                } else {
                    if ($key == 'email') {
                        $value = $this->sanitizer->email($value);
                    } else {
                        if ($key == 'ip') {
                            $value = filter_var($value, FILTER_VALIDATE_IP);
                        } else {
                            if ($key == 'user_agent') {
                                $value = str_replace(array("\r", "\n", "\t"), ' ', substr(strip_tags($value), 0, 255));
                            } else {
                                if ($key == 'website') {
                                    $value = wire('sanitizer')->url($value, array('allowRelative' => false, 'allowQuerystring' => false));
                                } else {
                                    if ($key == 'upvotes' || $key == 'downvotes') {
                                        $value = (int) $value;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        // save the state so that modules can identify when a comment that was identified as spam
        // is then set to not-spam, or when a misidentified 'approved' comment is actually spam
        if ($key == 'status' && $this->loaded) {
            $this->prevStatus = $this->status;
        }
        if ($key == 'stars') {
            $value = (int) $value;
            if ($value < 1) {
                $value = 0;
            }
            if ($value > 5) {
                $value = 5;
            }
        }
        return parent::set($key, $value);
    }

 public function addComment(Comment $comment)
 {
   $comment->set('record_model', $this->_invoker->getTable()->getComponentName());
   $comment->set('record_id', $this->_invoker->get('id'));
   $comment->save();
   
   return $this->_invoker;
 }