Bu fonksiyon işini görecektir. $proxy değişkenine iport şeklinde proxy ataması yaparak kullanabilirsin

      function myproxy ($site){
        $curl = curl_init($site);
       
        curl_setopt($curl, CURLOPT_FAILONERROR, true);
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
        curl_setopt($curl, CURLOPT_PROXY, $proxy);
        curl_setopt($curl, CURLOPT_TIMEOUT, 0);
        curl_setopt($curl, CURLOPT_URL, $site);
        curl_setopt($curl,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');;
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CONNECTION_TIMEOUT, 10);
        $data = curl_exec($curl);
        curl_close($curl);
        return str_replace(array("\r","\n","\t"), null, $data);
    }