CZip::_processFiles

private function _processFiles($arFileList, $addPath, $removePath)
{
	$addPath = str_replace("\", "/", $addPath);
	$removePath = str_replace("\", "/", $removePath);

	if (!$this->zipfile)
	{
		$this->arErrors[] = ["ERR_DFILE", GetMessage("MAIN_ZIP_ERR_DFILE")];
		return false;
	}

	if (!is_array($arFileList) || empty($arFileList))
	{
		return true;
	}

	$j = -1;

	if (!isset($this->tempres))
	{
		$this->tempres = "started";
	}

	//files and directory scan
	while ($j++ < count($arFileList) && ($this->tempres === "started"))
	{
		$filename = $arFileList[$j] ?? '';

		if ($filename == '')
		{
			continue;
		}

		if (!file_exists($filename))
		{
			$this->arErrors[] = ["ERR_NO_FILE", str_replace("#FILE_NAME#", $filename, GetMessage("MAIN_ZIP_ERR_NO_FILE"))];
			continue;
		}

		//is a file
		if (!@is_dir($filename))
		{
			$filename = str_replace("//", "/", $filename);

			//jumping to startFile, if it's specified
			if ($this->startFile <> '')
			{
				if ($filename != $this->startFile)
				{
					//don't pack - jump to the next file
					continue;
				}
				else
				{
					//if startFile is found, continue to pack files and folders without startFile, starting from next
					$this->startFile = null;
					continue;
				}
			}

			//check product permissions
			if ($this->checkPermissions)
			{
				if (!CBXArchive::HasAccess($filename, true))
				{
					continue;
				}
			}

			if ($this->_haveTime())
			{
				if (!$this->_addFile($filename, $arFileHeaders, $this->add_path, $this->remove_path))
				{
					//$arErrors is filled in the _addFile method
					$this->tempres = false;
				}
				else
				{
					//remember last file
					$this->arPackedFiles[] = $filename;
					$this->arHeaders[] = $arFileHeaders;
				}
			}
			else
			{
				$this->tempres = 'continue';
				return $this->tempres;
			}
		}
		//if directory
		else
		{
			if (!($handle = opendir($filename)))
			{
				$this->arErrors[] = ["ERR_DIR_OPEN_FAIL", str_replace("#DIR_NAME#", $filename, GetMessage("MAIN_ZIP_ERR_DIR_OPEN_FAIL"))];
				continue;
			}

			if ($this->checkPermissions)
			{
				if (!CBXArchive::HasAccess($filename, false))
				{
					continue;
				}
			}

			while (false !== ($dir = readdir($handle)))
			{
				if ($dir != "." && $dir != "..")
				{
					$arFileList_tmp = [];
					if ($filename != ".")
					{
						$arFileList_tmp[] = $filename . '/' . $dir;
					}
					else
					{
						$arFileList_tmp[] = $dir;
					}

					$this->_processFiles($arFileList_tmp, $addPath, $removePath);
				}
			}

			unset($arFileList_tmp);
			unset($dir);
			unset($handle);
		}
	}

	return $this->tempres;
}