EGroupware / egroupware

		static $HierarchyDelimiter = null;

		if (is_null($HierarchyDelimiter)) $HierarchyDelimiter = Cache::getCache(Cache::INSTANCE,'email','HierarchyDelimiter'.trim($GLOBALS['egw_info']['user']['account_id']),null,array(),60*60*24*5);

		if ($_useCache===false) unset($HierarchyDelimiter[$this->icServer->ImapServerId]);

		if (isset($HierarchyDelimiter[$this->icServer->ImapServerId])&&!empty($HierarchyDelimiter[$this->icServer->ImapServerId]))

		{

			return $HierarchyDelimiter[$this->icServer->ImapServerId];

		}

		$HierarchyDelimiter[$this->icServer->ImapServerId] = '/';

		try

		{

		//error_log(__METHOD__.' ('.__LINE__.') '.array2string($this->icServer->acc_folder_draft));

		//error_log(__METHOD__.' ('.__LINE__.') '.array2string($this->icServer->acc_folder_template));

		self::$specialUseFolders = $_specialUseFolders[$this->icServer->ImapServerId];

		if (isset($_specialUseFolders[$this->icServer->ImapServerId]) && !empty($_specialUseFolders[$this->icServer->ImapServerId]))

			return $_specialUseFolders[$this->icServer->ImapServerId];

		$_specialUseFolders[$this->icServer->ImapServerId]=array();

		//if (!empty($this->icServer->acc_folder_trash) && !isset($_specialUseFolders[$this->icServer->ImapServerId][$this->icServer->acc_folder_trash]))

			$_specialUseFolders[$this->icServer->ImapServerId][$this->icServer->acc_folder_trash]='Trash';