private function addMultiItem()
    {
        $args = func_get_args();
        $optionKey = array_shift($args);
        $this->items[] = sprintf("%s:%s", $optionKey, implode(',', $args));
        return $this;
    }
private function addMultiItem()
    {
        $args = func_get_args();
        $optionKey = array_shift($args);
        $this->items[] = sprintf("%s:%s", $optionKey, implode(',', $args));
        return $this;
    }
private function addMultiItem ( ) { $ args = func_get_args ( ) ; $ optionKey = array_shift ( $ args ) ; $ this -> items [ ] = sprintf ( "%s:%s" , $ optionKey , implode ( ',' , $ args ) ) ; return $ this ; }
Adds repeating property item.

@return \self
Adds repeating property item .