php获取本地ip的多种方法

<?php
//获取当前登陆用户IP
function get_client_ip()
{
if ($_SERVER['REMOTE_ADDR']) {
$cip = $_SERVER['REMOTE_ADDR'];
} elseif (getenv("REMOTE_ADDR")) {
$cip = getenv("REMOTE_ADDR");
} elseif (getenv("HTTP_CLIENT_IP")) {
$cip = getenv("HTTP_CLIENT_IP");
} else {
$cip = "unknown";
}
return$cip;
}
echo"你的IP地址是：".get_client_ip();
?>
<?php
error_reporting (E_ERROR | E_WARNING | E_PARSE);
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
$ip = "Unknown";
}
echo"你的IP地址是:".$ip."
";
?>
<?php echo";";
$iipp = $_SERVER["REMOTE_ADDR"];
echo$iipp;
echo"
";
?>
<?php
$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];
echo$user_IP."
";
?>
<?php
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; $i < count($ips); $i++)
{
if (!eregi ("^(10|172.16|192.168).", $ips[$i]))
{
$ip = $ips[$i];
break;
}
}
}
return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}
echo get_real_ip();
echo"
";
?>
<?php
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;
echo"
";
?>
<?php
echo$a=GetIP();
function GetIP()
{
if(!empty($_SERVER["HTTP_CLIENT_IP"]))
$cip = $_SERVER["HTTP_CLIENT_IP"];
else if(!empty($_SERVER["HTTP_X_FORWARDED_FOR"])) $cip = $_SERVER["HTTP_X_FORWARDED_FOR"];
else if(!empty($_SERVER["REMOTE_ADDR"]))
$cip = $_SERVER["REMOTE_ADDR"];
else
$cip = "无法获取！";
return$cip;
}
?>。