This is the directory used to store config files used in the templates. Default is "./configs", meaning that it will look for the configs directory in the same directory as the executing php script.
此變數的值在設定儲存樣版檔使用的組態檔的目錄。預設值是 "./configs"，代 表的意義為執行 php 程式檔相同目錄下的 configs 子目錄。
Technical Note: It is not recommended to put this directory under the web server document root.
技術提醒： 不建議將此變數的值設定在網頁伺服器的根目錄之下。