public function renderInput(array $aAttribs = [])
    {
        $this->aAttribs += $aAttribs;
        $strElement = $this->isMulti() ? $this->renderMulti() : $this->renderSingle();
        $strSuffix = $this->strSuffix ? ' ' . $this->strSuffix : '';
        return $strElement . $strSuffix;
    }