脱离discuz； 获取discuz登录信息程序 适合于网站和discuz登录整合

<?php /** * @author Supfire<supfire@126.com> www.zhaoc.net /www.zhaoc.com * @copyright SupFire * @version 2.0 * @name common.supfire.php * @todo discuz_cookie_session整个网站登录衔接问题解决-类 * @final 2009-10-31 */ require_once("config.supfire.php");// 包含配置文件（相对路径） class Supfire { function onlineip() { if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) { $onlineip = getenv('HTTP_CLIENT_IP'); } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) { $onlineip = getenv('HTTP_X_FORWARDED_FOR'); } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) { $onlineip = getenv('REMOTE_ADDR'); } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) { $onlineip = $_SERVER['REMOTE_ADDR']; } return $onlineip; } function daddslashes($string, $force = 0) { if(!isset($GLOBALS['magic_quotes_gpc']) || $force) { if(is_array($string)) { foreach($string as $key => $val) { $string[$key] = $this->daddslashes($val, $force); } } else { $string = addslashes($string); } } return $string; } function supfireToSql() { global $_COOKIE,$cookiepre,$tablepre; /** * Operation table pre */ $prelength = strlen($cookiepre); foreach($_COOKIE as $key => $val) { if(substr($key, 0, $prelength) == $cookiepre) { $_DCOOKIE[(substr($key, $prelength))] = $this->daddslashes($val); } // unset($prelength); } /** * Operation database table pre_session (sid, uid, groupid) */ $sid = isset($_DCOOKIE['sid']) ? $_DCOOKIE['sid'] : ''; if($sid) { $supfireSql = "SELECT sid, uid AS id, username, groupid FROM ".$tablepre."sessions WHERE sid='$sid' AND CONCAT_WS('.',ip1,ip2,ip3,ip4)='".$this->onlineip()."'"; } return $supfireSql; } } ?>