Bootstrap\View\Helper\BootstrapFormHelper::_wrapInputGroup PHP Метод

    protected function _wrapInputGroup($addonOrButtons)
    {
        if ($addonOrButtons) {
            if (is_string($addonOrButtons)) {
                $addonOrButtons = $this->_makeIcon($addonOrButtons);
                $addonOrButtons = '<span class="input-group-' . ($this->_matchButton($addonOrButtons) ? 'btn' : 'addon') . '">' . $addonOrButtons . '</span>';
            } else {
                if ($addonOrButtons !== false) {
                    $addonOrButtons = '<span class="input-group-btn">' . implode('', $addonOrButtons) . '</span>';
                }
            }
        }
        return $addonOrButtons;
    }