- getenv: documentation ( source)
- fclose: documentation ( source)
- fwrite: documentation ( source)
- fopen: documentation ( source)
<?php
$ip=$_SERVER['REMOTE_ADDR'];
$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';
echo "OLD IP: ";
echo $ip;
echo "<br>";
echo "NEW IP: ";
echo $ipaddress;
echo "<br>";
echo getenv('HTTP_CLIENT_IP');
echo "<br>";
echo getenv('HTTP_X_FORWARDED_FOR');
echo "<br>";
echo getenv('HTTP_X_FORWARDED');
echo "<br>";
echo getenv('HTTP_FORWARDED_FOR');
echo "<br>";
echo getenv('HTTP_FORWARDED');
echo "<br>";
echo getenv('REMOTE_ADDR');
$file = fopen("ip.txt","a");
fwrite($file,"OLD IP: ");
fwrite($file,$ip);
fwrite($file," NEW IP: ");
fwrite($file,$ipaddress);
fwrite($file,"\n");
fclose($file);
?>