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PHP显示IP的代码

WBOY
WBOYOriginal
2016-06-13 10:51:361170browse

php获取ip的算法 代码1:

$iipp=$_SERVER["REMOTE_ADDR"];
echo $iipp;
?>

php获取ip的算法 代码2:
$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];

echo $user_IP;
?>

php获取ip的算法 代码3:

function get_real_ip(){
$ip=false;
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
 $ip = $_SERVER["HTTP_CLIENT_IP"];
}
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
 $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
 if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
 for ($i = 0; $i   if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {
  $ip = $ips[$i];
  break;
  }
 }
}
return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}

echo get_real_ip();
?>
php获取ip的算法 代码4:

if ($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"])
{
$ip = $HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"];
}
elseif ($HTTP_SERVER_VARS["HTTP_CLIENT_IP"])
{
$ip = $HTTP_SERVER_VARS["HTTP_CLIENT_IP"];
}
elseif ($HTTP_SERVER_VARS["REMOTE_ADDR"])
{
$ip = $HTTP_SERVER_VARS["REMOTE_ADDR"];
}
elseif (getenv("HTTP_X_FORWARDED_FOR"))
{
$ip = getenv("HTTP_X_FORWARDED_FOR");
}
elseif (getenv("HTTP_CLIENT_IP"))
{
$ip = getenv("HTTP_CLIENT_IP");
}
elseif (getenv("REMOTE_ADDR"))
{
$ip = getenv("REMOTE_ADDR");
}
else www.2cto.com
{
$ip = "Unknown";
}
echo "你的IP:".$ip ;
?> 
php获取ip的算法 代码5:

if(getenv('HTTP_CLIENT_IP')) {
$onlineip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR')) {
$onlineip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR')) {
$onlineip = getenv('REMOTE_ADDR');
} else {
$onlineip = $HTTP_SERVER_VARS['REMOTE_ADDR'];
}
echo $onlineip;
?>


 

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