php获得访问者IP的函数,代码如下：
Example Source Code
<?php
function getRealIpAddr()
{
if(!empty($_SERVER['HTTP_CLIENT_IP']))
{//check ip from share internet
$ip=$_SERVER['HTTP_CLIENT_IP'];
}
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
{//to check ip is pass from proxy
$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}
else
{
$ip=$_SERVER['REMOTE_ADDR'];
}
return $ip;
}
echo getRealIpAddr();
?>
function getRealIpAddr()
{
if(!empty($_SERVER['HTTP_CLIENT_IP']))
{//check ip from share internet
$ip=$_SERVER['HTTP_CLIENT_IP'];
}
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
{//to check ip is pass from proxy
$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}
else
{
$ip=$_SERVER['REMOTE_ADDR'];
}
return $ip;
}
echo getRealIpAddr();
?>
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