<a ', $button['sub_buttons'] ? 'class="dropdown-toggle" ' : '', 'href="', $button['sub_buttons'] ? '#' : $button['href'], '"', isset($button['target']) ? ' target="' . $button['target'] . '"' : '', '', $button['sub_buttons'] ? ' data-toggle="dropdown"' : '', '>
                        ', $button['title'], '
                        ', $button['sub_buttons'] ? '<span class="caret"></span>' : '' ,'
                    </a>';