core-bundle/src/Resources/contao/classes/Theme.php
protected function addTableTlFiles(\DOMDocument $xml, \DOMElement $tables, Result $objTheme, ZipWriter $objArchive)
	{
		// Add the table
		$table = $xml->createElement('table');
		$table->setAttribute('name', 'tl_files');
		$table = $tables->appendChild($table);

		// Load the DCA
		$this->loadDataContainer('tl_files');

		// Get the order fields
		$objDcaExtractor = DcaExtractor::getInstance('tl_files');
		$arrOrder = $objDcaExtractor->getOrderFields();

		// Add the folders
		$arrFolders = StringUtil::deserialize($objTheme->folders);

		if (!empty($arrFolders) && \is_array($arrFolders))
		{
			$objFolders = FilesModel::findMultipleByUuids($arrFolders);

			if ($objFolders !== null)
			{
				foreach ($this->eliminateNestedPaths($objFolders->fetchEach('path')) as $strFolder)
				{
					$this->addFolderToArchive($objArchive, $strFolder, $xml, $table, $arrOrder);
				}
			}
		}
	}
protected function addTableTlFiles(\DOMDocument $xml, \DOMElement $tables, Result $objTheme, ZipWriter $objArchive)
	{
		// Add the table
		$table = $xml->createElement('table');
		$table->setAttribute('name', 'tl_files');
		$table = $tables->appendChild($table);

		// Load the DCA
		$this->loadDataContainer('tl_files');

		// Get the order fields
		$objDcaExtractor = DcaExtractor::getInstance('tl_files');
		$arrOrder = $objDcaExtractor->getOrderFields();

		// Add the folders
		$arrFolders = StringUtil::deserialize($objTheme->folders);

		if (!empty($arrFolders) && \is_array($arrFolders))
		{
			$objFolders = FilesModel::findMultipleByUuids($arrFolders);

			if ($objFolders !== null)
			{
				foreach ($this->eliminateNestedPaths($objFolders->fetchEach('path')) as $strFolder)
				{
					$this->addFolderToArchive($objArchive, $strFolder, $xml, $table, $arrOrder);
				}
			}
		}
	}
Add the table tl_files to the XML and the files to the archive
@param \DOMDocument         $xml
@param \DOMNode|\DOMElement $tables
@param Result               $objTheme
@param ZipWriter            $objArchive