public function append()
    {
        $args = func_get_args();
        foreach ($args as $arg) {
            if ($arg instanceof Element) {
                if ($arg->_used) {
                    continue;
                }
                $arg->_used = true;
            }
            $this->_html[] = $arg;
        }
    }
public function append()
    {
        $args = func_get_args();
        foreach ($args as $arg) {
            if ($arg instanceof Element) {
                if ($arg->_used) {
                    continue;
                }
                $arg->_used = true;
            }
            $this->_html[] = $arg;
        }
    }
public function append ( ) { $ args = func_get_args ( ) ; foreach ( $ args as $ arg ) { if ( $ arg instanceof Element ) { if ( $ arg -> _used ) { continue ; } $ arg -> _used = true ; } $ this -> _html [ ] = $ arg ; } }
Append content or other elements.

@param mixed Things to be appended.
Append content or other elements .