$url = 'http://www.flashflashrevolution.com/api/api.php?key=hehu&action=ranks&username=' . $urlusername;

    #echo $url . "<p>";
    #echo "\n";
    #echo $username;
    #echo "\n";

    $json = file_get_contents($url) or die('not a user! or i can\'t connec to the internets.');

    # var_dump(json_decode($json, true));

    $array = json_decode($json, true);

    $username = mysql_real_escape_string($array['user']['name']);
    $siteid   = $array['user']['id'];

    $numberofsongs = max(array_keys($array['songs']));

    $time2 = time() + microtime();

    for ($i = 0; $i < $numberofsongs; $i++) {

        # echo $array['user']['songs'][$i]['scores']['good'];

        if (isset($array['songs'][$i])) {

            $played[$i] = $array['songs'][$i]['scores']['played'];

            $notecount = $array['songs'][$i]['scores']['perfect'] + $array['songs'][$i]['scores']['good'] + $array['songs'][$i]['scores']['average'] + $array['songs'][$i]['scores']['miss'];
            $notesinsong = $array['songs'][$i]['info']['notes'];

            if ($notecount == $notesinsong) {

                $goodcount[$i] = $array['songs'][$i]['scores']['good'] + ($array['songs'][$i]['scores']['average'] * 1.8) + ($array['songs'][$i]['scores']['miss'] * 2.4) + ($array['songs'][$i]['scores']['boo'] * 0.2);

            }


            if ($goodcount[$i] > 20) {
                unset($goodcount[$i]);
            }

            $d             = $array['songs'][$i]['info']['difficulty'];
            $songs[$d][$i] = $array['songs'][$i];
            $ngc[$d][$i]   = $goodcount[$i];

            if (isset($goodcount[$i])) {
                $songweight[$i] = (20 - $goodcount[$i]) * $d;
            }

            #if(!empty($songweight[$i])) {

            #echo $i . " - " . $songweight[$i] . "<br>";

            if ($notecount == $notesinsong) {
                $played_weights[$d][$i] = $songweight[$i];
            }

            $weights[$d][$i] = $songweight[$i];

            #}

            /*
            echo "Song ID: " . $i . " - ";
            echo "Good Count: " . $goodcount[$i] . " - ";
            echo "Difficulty: " . $d . " - ";
            echo "Weight: " . $songweight[$i];
            echo "Played: " . $played[$i];
            echo "<br>";
            */


        }
    }

    $time3 = time() + microtime();

    $maximum_d = max(array_keys($weights)) - 900;

    #echo $maximum_d;

    for ($d = 1; $d <= $maximum_d; $d++) {

        if (isset($weights[$d])) {

            $n_w1d[$d] = count($weights[$d]);
            $n_w2d[$d] = count($played_weights[$d]);

            if ($n_w2d[$d] > 0) {

                $sums[$d]   = array_sum($weights[$d]);
                $ngcsum[$d] = array_sum($ngc[$d]);

                $w[$d]  = $sums[$d];
                $w1[$d] = $sums[$d] / $n_w1d[$d];
                $w2[$d] = $sums[$d] / $n_w2d[$d];
                $w3[$d] = $sums[$d] / $n_w2d[$d] + $ngcsum[$d];

                /*
                echo "difficulty: " . $d . "<br>";
                echo "songs played: " . $n_w2d[$d] . "/" . $n_w1d[$d] . " songs <br>";
                echo "NGC: " . $ngcsum[$d] . "<br>";
                echo "weight: " . $w[$d] . "<br>";
                echo "weight1: " . $w1[$d] . "<br>";
                echo "weight2: " . $w2[$d] . "<br>";
                echo "weight3: " . $w3[$d] . "<p>";
                */

                $dw[$d]  = $w[$d] * $d;
                $dw1[$d] = $w1[$d] * $d;
                $dw2[$d] = $w2[$d] * $d;
                $dw3[$d] = $w3[$d] * $d;

            }

            /*
            echo "Sum of weights in difficulty: " . $d;
            echo " - ";
            echo $weights[$d]['sum'];
            echo "<br>";
            */

        }

    }

    $time4 = time() + microtime();

    $peak  = max($w);
    $peak1 = max($w1);
    $peak2 = max($w2);
    $peak3 = max($w3);

    $peak_d  = array_keys($w, $peak);
    $peak1_d = array_keys($w1, $peak1);
    $peak2_d = array_keys($w2, $peak2);
    $peak3_d = array_keys($w3, $peak3);

    /*
    var_dump($peak);
    var_dump($peak1);
    var_dump($peak2);
    var_dump($peak3);
    var_dump($peak_d);
    var_dump($peak1_d);
    var_dump($peak2_d);
    var_dump($peak3_d);

    var_dump($w);
    var_dump($w1);
    var_dump($w2);
    var_dump($w3);
    */

    for ($d = $peak_d[0]; $d <= $maximum_d; $d++) {
        $iw[$d]  = $w[$d];
        $idw[$d] = $dw[$d];
    }

    $time4a = time() + microtime();

    for ($d = $peak1_d[0]; $d <= $maximum_d; $d++) {
        $iw1[$d]  = $w1[$d];
        $idw1[$d] = $dw1[$d];
    }

    $time4b = time() + microtime();

    for ($d = $peak2_d[0]; $d <= $maximum_d; $d++) {
        $iw2[$d]  = $w2[$d];
        $idw2[$d] = $dw2[$d];
    }

    $time4c = time() + microtime();

    for ($d = $peak3_d[0]; $d <= $maximum_d; $d++) {
        $iw3[$d]  = $w3[$d];
        $idw3[$d] = $dw3[$d];
    }

    $time4d = time() + microtime();

    /*
    var_dump($iw);
    var_dump($idw);
    var_dump($iw1);
    var_dump($idw1);
    var_dump($iw2);
    var_dump($idw2);
    var_dump($iw3);
    var_dump($idw3);
    */

    $z_sum1  = array_sum($iw);
    $z_sum2  = array_sum($idw);
    $z1_sum1 = array_sum($iw1);
    $z1_sum2 = array_sum($idw1);
    $z2_sum1 = array_sum($iw2);
    $z2_sum2 = array_sum($idw2);
    $z3_sum1 = array_sum($iw3);
    $z3_sum2 = array_sum($idw3);

    $z  = $z_sum2 / $z_sum1;
    $z1 = $z1_sum2 / $z1_sum1;
    $z2 = $z2_sum2 / $z2_sum1;
    $z3 = $z3_sum2 / $z3_sum1;

    $zA = ($z1 + $z2 + $z3) / 3;

    echo '<p>';

    $time5 = time() + microtime();