使用PHP获取客户端IP地址我想得到使用我的网站的客户IP地址。我正在使用PHP$_SERVER超全球:$_SERVER['REMOTE_ADDR'];但我看到它不能给出正确的IP地址使用这个。我得到我的IP地址,并看到它与我的IP地址不同,我也可以在一些网站上看到我的IP地址,比如:http://whatismyipaddress.com/我粘贴IP地址,这给了我的PHP功能,但这个网站没有显示这方面的结果。这个问题是如何产生的,我如何获得客户端的IP地址?
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![?](http://img1.sycdn.imooc.com/5333a01a0001ee5302000200-100-100.jpg)
浮云间
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$_SERVER['REMOTE_ADDR']
$_SERVER['REMOTE_HOST']
// Function to get the client IP addressfunction get_client_ip() { $ipaddress = ''; if (getenv('HTTP_CLIENT_IP')) $ipaddress = getenv('HTTP_CLIENT_IP'); else if(getenv('HTTP_X_FORWARDED_FOR')) $ipaddress = getenv('HTTP_X_FORWARDED_FOR'); else if(getenv('HTTP_X_FORWARDED')) $ipaddress = getenv('HTTP_X_FORWARDED'); else if(getenv('HTTP_FORWARDED_FOR')) $ipaddress = getenv('HTTP_FORWARDED_FOR'); else if(getenv('HTTP_FORWARDED')) $ipaddress = getenv('HTTP_FORWARDED'); else if(getenv('REMOTE_ADDR')) $ipaddress = getenv('REMOTE_ADDR'); else $ipaddress = 'UNKNOWN'; return $ipaddress;}
// Function to get the client IP addressfunction get_client_ip() { $ipaddress = ''; if (isset($_SERVER['HTTP_CLIENT_IP'])) $ipaddress = $_SERVER['HTTP_CLIENT_IP']; else if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR']; else if(isset($_SERVER['HTTP_X_FORWARDED'])) $ipaddress = $_SERVER['HTTP_X_FORWARDED']; else if(isset($_SERVER['HTTP_FORWARDED_FOR'])) $ipaddress = $_SERVER['HTTP_FORWARDED_FOR']; else if(isset($_SERVER['HTTP_FORWARDED'])) $ipaddress = $_SERVER['HTTP_FORWARDED']; else if(isset($_SERVER['REMOTE_ADDR'])) $ipaddress = $_SERVER['REMOTE_ADDR']; else $ipaddress = 'UNKNOWN'; return $ipaddress;}
![?](http://img1.sycdn.imooc.com/5458626a0001503602200220-100-100.jpg)
肥皂起泡泡
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$ip = getenv('HTTP_CLIENT_IP')?:getenv('HTTP_X_FORWARDED_FOR')?:getenv('HTTP_X_FORWARDED')?: getenv('HTTP_FORWARDED_FOR')?:getenv('HTTP_FORWARDED')?:getenv('REMOTE_ADDR');
![?](http://img1.sycdn.imooc.com/545847d40001cbef02200220-100-100.jpg)
小怪兽爱吃肉
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$ipaddress = ''; if ($_SERVER['HTTP_CLIENT_IP'] != '127.0.0.1') $ipaddress = $_SERVER['HTTP_CLIENT_IP']; else if ($_SERVER['HTTP_X_FORWARDED_FOR'] != '127.0.0.1') $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR']; else if ($_SERVER['HTTP_X_FORWARDED'] != '127.0.0.1') $ipaddress = $_SERVER['HTTP_X_FORWARDED']; else if ($_SERVER['HTTP_FORWARDED_FOR'] != '127.0.0.1') $ipaddress = $_SERVER['HTTP_FORWARDED_FOR']; else if ($_SERVER['HTTP_FORWARDED'] != '127.0.0.1') $ipaddress = $_SERVER['HTTP_FORWARDED']; else if ($_SERVER['REMOTE_ADDR'] != '127.0.0.1') $ipaddress = $_SERVER['REMOTE_ADDR']; else $ipaddress = 'UNKNOWN';
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