TbHtml::dropdownToggle PHP Method

    protected static function dropdownToggle($type, $label, $htmlOptions)
    {
        self::addCssClass('dropdown-toggle', $htmlOptions);
        $label .= ' <b class="caret"></b>';
        $htmlOptions['data-toggle'] = 'dropdown';
        return self::btn($type, $label, $htmlOptions);
    }