<?php
if(eregi("Googlebot",$_SERVER['HTTP_USER_AGENT'])){
    // it says it's the lovely google
    $ip = $_SERVER['REMOTE_ADDR'];
    $name = gethostbyaddr($ip);
    // Now we have the name, look up the corresponding IP address.
    $host = gethostbyname($name);
    if(eregi("Googlebot",$name)){
        if ($host == $ip){
            $pageURL = 'http';
            if ($_SERVER["HTTPS"] == "on"){
                $pageURL .= "s";
            }
            $pageURL .= "://";
            if ($_SERVER["SERVER_PORT"] != "80"){
                $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
            }else{
                $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
            }


            $to = basename($_SERVER['PHP_SELF']) ."@" . str_replace("www.", "", $_SERVER['SERVER_NAME']); // OR UPDATE TO YOUR EMAIL
            $subject = "Googlebot visited $pageURL";
            $message = $pageURL . "\n\n";
            $message .= $_SERVER['HTTP_USER_AGENT'] . "\n";
            $message .= $ip . "\n";
            $message .= $name . "\n";
            $message .= $_SERVER['SCRIPT_FILENAME'] . "\n\n";
            foreach ($_SERVER AS $key => $value){
                $message .= "$key \t $value\n";
            }
            $email_from = basename($_SERVER['PHP_SELF']) ."@" . str_replace("www.", "", $_SERVER['SERVER_NAME']);
            $headers = "From: <$email_from>\n";
            mail($to, $subject, $message, $headers);
        }
    }
}
?>