php获取访问者IP地址汇总
//方法1：
$ip=$_SERVER["REMOTE_ADDR"]; echo$ip;
//方法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;
//方法3：
functiongetRealIp()
{
$ip=false;
if(!empty($_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']);
}
echogetRealIp();
//方法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
{
$ip="Unknown";
}
echo$ip;
//方法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$onlineip;
//方法6：
print"您的IP地址是：";
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
$cip=$_SERVER["HTTP_CLIENT_IP"];
}
elseif(!empty($_SERVER["HTTP_X_FORWARDED_FOR"])){
$cip=$_SERVER["HTTP_X_FORWARDED_FOR"];
}
elseif(!empty($_SERVER["REMOTE_ADDR"])){
$cip=$_SERVER["REMOTE_ADDR"];
}
else{
$cip="无法获取！";
}
print$cip;
以上所述就是本文的全部内容了，希望对大家学习php能够有所帮助。