Weiterleitung zu einem Link mit bestimmtem Referer

<?php

    echo refspoof('http://zielseite.tld', 'http://www.refspoofingisnotacrime.tld');

    function refspoof($url, $referer) { 

        $headers[] = 'Accept: image/gif, image/x-bitmap, image/jpeg, image/pjpeg,text/html,application/xhtml+xml'; 
        $headers[] = 'Connection: Keep-Alive'; 
        $headers[] = 'Content-type: application/x-www-form-urlencoded;charset=UTF-8'; 
        $useragent = 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0)'; 

        $process = curl_init($url); 
        curl_setopt($process, CURLOPT_HTTPHEADER, $headers); //Header
        curl_setopt($process, CURLOPT_HEADER, 0); 
        curl_setopt($process, CURLOPT_USERAGENT, $useragent); //User Agent
        curl_setopt($process, CURLOPT_REFERER, $referer); //Ref
        curl_setopt($process, CURLOPT_TIMEOUT, 30); 
        curl_setopt($process, CURLOPT_RETURNTRANSFER, 1); 
        curl_setopt($process, CURLOPT_FOLLOWLOCATION, 1); 

        $return = curl_exec($process); //do eet
        curl_close($process);  //bisschen aufräumen

        return $return; 
    } 
?>