全局變量系統篇 $_G['uid'] => 當前登錄UID
$_G['username'] => 當前登錄用戶名
$_G['adminid'] => 當前登錄ID管理組ID
$_G['groupid'] => 當前登錄ID用戶組ID
$_G['cookie'] => 客戶端cookie
$_G['formhash'] => 當前登錄ID的【FORMHASH】 主要用于表單提交
$_G['timestamp'] => 當前活動時間
$_G['starttime'] => 1317042440.3242
$_G['clientip'] => 當前訪問者IP地址
$_G['referer'] => 當前請求的地址，主要用戶表單提交
$_G['charset'] => 程序編碼
$_G['PHP_SELF'] => 當前訪問頁面的相對地址
$_G['siteurl'] => 程序訪問地址
$_G['siteroot'] => 程序所在域名的相對目錄
$_G['fid'] => 當前版塊id【主題列表頁、帖子頁】出現
$_G['tid'] => 當前帖子ID【帖子頁】出現
$_G['basescript'] => 當前頁面所在頻道
$_G['basefilename'] => 當前頁面php文件名
$_G['staticurl'] => 程序附件目錄
$_G['mod'] => 當前頁面的MOD值【例如：forum.php?mod=xxx】
$_G['inajax'] => 當前ajax請求的值【無-0 有-1】
$_G['page'] => 當前分頁ID
$_G['tpp'] => 當前分頁每頁顯示數量
$_G['seokeywords'] => 當前頁面seo關鍵詞
$_G['seodescription'] => 當前頁面seo介紹
$_G['timenow'] => Array
(
[time] => 2011-9-26 21:07 當前服務器時間
[offset] => +8 當前服務器時區
)
$_G['config'] => Array
(
$_G['config'][db] => Array
(
$_G['config'][db][1] => Array
(
$_G['config'][db][1][dbhost] => localhost 數據庫連接地址
$_G['config'][db][1][dbuser] => root 數據庫用戶名
$_G['config'][db][1][dbpw] => 123456 數據庫密碼
$_G['config'][db][1][dbcharset] => utf8 數據庫編碼
$_G['config'][db][1][pconnect] => 0
$_G['config'][db][1][dbname] => dxutf 數據庫名
$_G['config'][db][1][tablepre] => pre_ 數據表前綴
)
)
)
