Yu1709$!%yuyu!$%wutu!5=126+

                
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      \_/     \/    @ligmakokz

Editing: folderinstaller.php

<?php
/**
 * @package     Joomla.Plugin
 * @subpackage  Installer.folderInstaller
 *
 * @copyright   (C) 2016 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\Language\Text;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\CMS\Plugin\PluginHelper;

/**
 * FolderInstaller Plugin.
 *
 * @since  3.6.0
 */
class PlgInstallerFolderInstaller extends CMSPlugin
{
	/**
	 * Application object.
	 *
	 * @var    \Joomla\CMS\Application\CMSApplication
	 * @since  4.0.0
	 */
	protected $app;

/**
	 * Textfield or Form of the Plugin.
	 *
	 * @return  array  Returns an array with the tab information
	 *
	 * @since   3.6.0
	 */
	public function onInstallerAddInstallationTab()
	{
		// Load language files
		$this->loadLanguage();

$tab            = array();
		$tab['name']    = 'folder';
		$tab['label']   = Text::_('PLG_INSTALLER_FOLDERINSTALLER_TEXT');

// Render the input
		ob_start();
		include PluginHelper::getLayoutPath('installer', 'folderinstaller');
		$tab['content'] = ob_get_clean();

return $tab;
	}
}

Name	Type	Actions
tmpl	Directory
folderinstaller.php	File
folderinstaller.xml	File