Exchange data

function getExchangeData()
{
    $doc = new DomDocument;
    $doc->validateOnParse = true;
    @$doc->loadHTMLFile('http://www.roblox.com/marketplace/tradecurrency.aspx');

    $xpath = new DOMXpath($doc);
    $statWrappers = $xpath->query("*//div[@id='CurrencyQuotePane']//div[@class='TableRow']");

    $stats = array();

    if (!is_null($statWrappers))
    {
        foreach ($statWrappers as $statWrapper)
        {
            $pair    = $xpath->query("div[@class='Pair']/text()", $statWrapper)->item(0)->textContent;
            $rate    = $xpath->query("div[@class='Rate']/text()", $statWrapper)->item(0)->textContent;
            $highLow = $xpath->query("div[@class='HighLow']/text()", $statWrapper)->item(0)->textContent;
            $spread  = $xpath->query("div[@class='Spread']/text()", $statWrapper)->item(0)->textContent;

            $rate = preg_split('/\//',$rate);
            $rate[0] = floatval($rate[0]);
            $rate[1] = floatval($rate[1]);

            $highLow = preg_split('/\//',$highLow);
            $high = floatval($highLow[0]);
            $low = floatval($highLow[1]);

            $stats[$pair] = array(
                'rate' => $rate,
                'high' => $high,
                'low' => $low,
                'spread' => floatval($spread)
            );
        }
        return $stats;
    }
    return false;
}