[req] Ubuntu 11.04 PHP Curl Cookie Problems

[heppinnz]

function getCookie($user, $pass) {
        $ch = curl_init();
        curl_setopt_array($ch, array(
            CURLOPT_URL => 'http://blahblahblah.com/login.php',
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_COOKIEJAR => 'cookie.txt',
            CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 5.1; rv:6.0.2) Gecko/20100101 Firefox/6.0.2',
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => "user=$user&password=$pass"
        ));
        curl_exec($ch);
        curl_close($ch);
    }