Svenska Bitcoin-växel fuskar med sina prisuppgifter.

<?php   
 require_once('Cache/Lite.php');
    $id = 'bitst';
    $options = array(
                        'cacheDir' => 'tmp/',
                        'lifeTime' => 120
    );
    $Cache_Lite = new Cache_Lite($options);
        // Get USD / SEK Price Ratio
        ob_start();
        require 'dollarprice.php';
        $usd = ob_get_clean();
    function getPrice() {
        $c = curl_init();
        curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
        curl_setopt($c, CURLOPT_URL, 'https://www.bitstamp.net/api/ticker/');
        $data = curl_exec($c);
        curl_close($c);
        return $data;
    }
    if ($data = $Cache_Lite->get($id)) {
    } else {
         $data = getPrice();
         $Cache_Lite->save($data);
    }
    $obj = json_decode($data);
    $sell = $obj->{'ask'};
    $buy = $obj->{'bid'};
$tempbuy = ($buy * $usd) - (($buy * $usd) * 0.02);
?>