$referer = 'http://www.test.it/';    // Referer

$fp = fsockopen("www.yahoo.com",80);

fputs($fp, "GET <a href=\"http://www.yahoo.com/\" "
  ."title=\"http://www.yahoo.com/\">http://www.yahoo.com/</a>\r\n Referer: $referer\r\n HTTP/1.0\r\n\r\n");

$data="";
while (!feof($fp)) $data.=fgets($fp,64000);
fclose($fp);

print $data;