ENGCOM-3087: [Backport] Fix for removing the dirs while creating a TAR archive #18283

 - Merge Pull Request #18283 from haroldclaus/magento2:hotfix/archiveTarRemoveDirsFix
 - Merged commits:
   1. 45f22ac
   2. e1d2673

Author: magento-engcom-team

lib/internal/Magento/Framework/Archive/Tar.php

@@ -4,15 +4,15 @@
  * See COPYING.txt for license details.
  */
 
+namespace Magento\Framework\Archive;
+
+use Magento\Framework\Archive\Helper\File;
+
 /**
  * Class to work with tar archives
  *
  * @author      Magento Core Team <[email protected]>
  */
-namespace Magento\Framework\Archive;
-
-use Magento\Framework\Archive\Helper\File;
-
 class Tar extends \Magento\Framework\Archive\AbstractArchive implements \Magento\Framework\Archive\ArchiveInterface
 {
     /**
@@ -259,10 +259,7 @@ protected function _createTar($skipRoot = false, $finalize = false)
                 );
             }
 
-            array_shift($dirFiles);
-            /* remove  './'*/
-            array_shift($dirFiles);
-            /* remove  '../'*/
+            $dirFiles = array_diff($dirFiles, ['..', '.']);
 
             foreach ($dirFiles as $item) {
                 $this->_setCurrentFile($file . $item)->_createTar();