Untitled

<html>

<?php
include "captiveportal-functions.php";

$loc1="captiveportal-location1.html";
$loc2="captiveportal-location2.html";

$ip=$_SERVER['REMOTE_ADDR'];
echo "Your Ip Is $ip";
if(contains("20.20.20",$ip)||contains("10.5.25",$ip)){
    $target=$loc1;
    echo "You should be redirected";
}
else {
$target=$loc2;
}
redirectTo($target);

function contains($substring, $string) {
        $pos = strpos($string, $substring);
        if($pos === false) {
                // string needle NOT found in haystack
                return false;
        }
        else {
                // string needle found in haystack
                return true;
        }
}
?>


</html>