İstiyen vardı, bir ara lazım olmuştu banada yazmıştım.
function TCMB()
{
        try
        {
            $data         = file_get_contents("http://www.tcmb.gov.tr/kurlar/today.xml");
            $xmlData     = new SimpleXMLElement($data);
            $name         = $xmlData->xpath("/Tarih_Date/Currency//@Kod");
            $buying       = $xmlData->xpath("/Tarih_Date/Currency/ForexBuying");
            $selling        = $xmlData->xpath("/Tarih_Date/Currency/ForexSelling");
            $color = "";
            $str = '<table border="0"  style="font-size: 12px; font-family: tahoma;"><tr style="font-weight: bold; text-align: center; background-color: #dbdbdb;"><td width="20%" style="padding: 3px;">Döviz</td><td width="25%">Alış</td><td width="25%">Satış</td></tr>';
            $z = 1;
            $k = 0;
            $size = sizeof($buying);
            for($i=0; $i<$size; $i++):
            
                if(($z % 2) == 0) {$color = 'eff0f1'; if($k == 0) {$z++; $k++;}} else $renk = "ffffff";
                if($i != 2) $str .='<tr style="background-color: #' . $color . ';"><td style="padding: 4px; font-weight: bold;">' . $name[$i] . '</td><td>' . $buying[$i] . '</td><td>' . $selling[$i] . '</td></tr>';
                $z++;

            endfor; 
            $str .= '</table><br />';
            
            echo $str;
        }
        catch(Exception $ex)
        {
            echo '<script type="text/javascript">alert("OOpps ! Kur değerleri şuan alınamıyor.\n\n' . $ex->getMessage() . '")</script>';
        }
}