Discuz! <...

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发布: 2025-04-13
修订: 2025-04-13

Discuz!是一款华人地区非常流行的Web论坛程序。 在Discuz!论坛的include/common.inc.php文件中: $magic_quotes_gpc = get_magic_quotes_gpc(); @extract(daddslashes($_COOKIE)); @extract(daddslashes($_POST)); @extract(daddslashes($_GET)); //覆盖变量,这里我们可以覆盖$_SERVER if(!$magic_quotes_gpc) { $_FILES = daddslashes($_FILES); } ..... 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 = $_SERVER['REMOTE_ADDR']; } //提取ip,首先尝试getenv()取,如果失败就通过$_SERVER[]来取. preg_match("/[\d\.]{7,15}/", $onlineip, $onlineipmatches);...

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