public function addSingleContentItem($items = [])
    {
        // Push ContentItem in ContentListContainer.
        $this->contentListContainer->push($items instanceof ContentItem ? $items : personality_insights_content_item($items));

        // Return object.
        return $this;
    }
public function addSingleContentItem($items = [])
    {
        // Push ContentItem in ContentListContainer.
        $this->contentListContainer->push($items instanceof ContentItem ? $items : personality_insights_content_item($items));

        // Return object.
        return $this;
    }
public function addSingleContentItem ( $ items = [ ] ) { // Push ContentItem in ContentListContainer. $ this -> contentListContainer -> push ( $ items instanceof ContentItem ? $ items : personality_insights_content_item ( $ items ) ) ; // Return object. return $ this ; }
Add a ContentItem to ContentListContainer.

@param array|ContentItem $items

@return self
Add a ContentItem to ContentListContainer .