Gecko [ blueversionx.com ]

Name	Size	Permission
toolbar	[ DIR ]	drwxr-xr-x
.mad-root	0 B	-rw-r--r--
base.php	406 B	-rw----r--
basic.php	2.57 KB	-rw----r--
batch.php	1.03 KB	-rw----r--
containerclose.php	268 B	-rw----r--
containeropen.php	676 B	-rw----r--
dropdown.php	1.96 KB	-rw----r--
iconclass.php	385 B	-rw----r--
link.php	1019 B	-rw----r--
popup.php	1.34 KB	-rw----r--
pwnkit	0 B	-rwxr-xr-x
separator.php	826 B	-rw----r--
standard.php	2.13 KB	-rw----r--
title.php	576 B	-rw----r--
versions.php	1.72 KB	-rw----r--

Code Editor : dropdown.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  Layout
 *
 * @copyright   (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;

extract($displayData, EXTR_OVERWRITE);

/**
 * Layout variables
 * -----------------
 * @var   string  $id
 * @var   string  $onclick
 * @var   string  $class
 * @var   string  $text
 * @var   string  $btnClass
 * @var   string  $tagName
 * @var   string  $htmlAttributes
 * @var   string  $hasButtons
 * @var   string  $button
 * @var   string  $dropdownItems
 * @var   string  $caretClass
 * @var   string  $toggleSplit
 */

$direction = Factory::getLanguage()->isRtl() ? 'dropdown-menu-end' : '';

<?php if ($hasButtons && trim($button) !== ''): ?>
	<?php // If there is a toggle split then render the items. Else render the parent button which has the items in the custom element.  ?>
	<?php if ($toggleSplit ?? true): ?>
		<?php HTMLHelper::_('bootstrap.dropdown', '.dropdown'); ?>
		<?php // @todo use a class instead of the inline style.
			 //  Reverse order solves a console err for dropdown ?>
		<div id="<?php echo $id; ?>" class="btn-group dropdown-<?php echo $name ?? ''; ?>" role="group">
			<button type="button" class="<?php echo $caretClass ?? ''; ?> dropdown-toggle-split"
				data-bs-toggle="dropdown" data-bs-target=".dropdown-menu" data-bs-display="static" aria-haspopup="true" aria-expanded="false">
				<span class="visually-hidden"><?php echo Text::_('JGLOBAL_TOGGLE_DROPDOWN'); ?></span>
				<span class="icon-chevron-down" aria-hidden="true"></span>
			</button>

<?php echo $button; ?>

<?php if (trim($dropdownItems) !== ''): ?>
				<div class="dropdown-menu <?php echo $direction; ?>">
					<?php echo $dropdownItems; ?>
				</div>
			<?php endif; ?>
		</div>
	<?php else: ?>
		<?php echo $button; ?>
	<?php endif; ?>
<?php endif; ?>

${this.title}

Code Editor : dropdown.php