<?
function curl_redirect_exec($ch, &$redirects, $curlopt_returntransfer = false, $curlopt_maxredirs = 10, $curlopt_header = false) {
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $data = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $exceeded_max_redirects = $curlopt_maxredirs > $redirects;
    $exist_more_redirects = false;
    if ($http_code == 301 || $http_code == 302) {
        if ($exceeded_max_redirects) {
            list($header) = explode("\r\n\r\n", $data, 2);
            $matches = array();
            preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
            $url = trim(array_pop($matches));
            $url_parsed = parse_url($url);
            if (isset($url_parsed)) {
                curl_setopt($ch, CURLOPT_URL, $url);
                $redirects++;
                return curl_redirect_exec($ch, $redirects, $curlopt_returntransfer, $curlopt_maxredirs, $curlopt_header);
            }
        }
        else {
            $exist_more_redirects = true;
        }
    }
    if ($data !== false) {
        if (!$curlopt_header)
            list(,$data) = explode("\r\n\r\n", $data, 2);
        if ($exist_more_redirects) return false;
        if ($curlopt_returntransfer) {
            return $data;
        }
        else {
            echo $data;
            if (curl_errno($ch) === 0) return true;
            else return false;
        }
    }
    else {
        return false;
    }
}




$url  = "http://ipodzik.info/wp-login.php";
$pola = "log=$zmienna1&pwd=$zmienna2";
$f = curl_init();
curl_setopt($f, CURLOPT_COOKIEFILE, 'cookie.txt');
curl_setopt($f, CURLOPT_COOKIEJAR, 'cookie.txt');
curl_setopt($f, CURLOPT_USERAGENT, 'User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3');
curl_setopt($f, CURLOPT_URL, $url);
curl_setopt($f, CURLOPT_POSTFIELDS, $pola);
curl_setopt($f, CURLOPT_POST, 1);
curl_setopt($f, CURLOPT_HEADER, 0);

$redirects = 0; //Wykorzystanie funkcji powyżej - nie działa mi funkcja curl_redirect na serwerze
curl_redirect_exec($f, $redirects);

curl_setopt($f, CURLOPT_RETURNTRANSFER, 1);
$dane = curl_exec($f);
curl_close($f);
echo $dane;
?>