<?php
$client = new SoapClient('http://data.altinkaynak.com/DataService.asmx?WSDL');

$auth = new stdClass();
$auth->Username = 'AltinkaynakWebServis';
$auth->Password = 'AltinkaynakWebServis';

$header = new SoapHeader('http://data.altinkaynak.com/', 'AuthHeader', $auth, false);
$client->__setSoapHeaders($header);

$response = $client->GetCurrency();

$xml = simplexml_load_string($response->GetCurrencyResult);

$dolar = $xml->Kur[0]->Satis;
$euro = $xml->Kur[1]->Satis;
$altin = $xml->Kur[2]->Satis;

echo'
<div class="dovizbilgiler"><span><p>Dolar:</p> '.$dolar.'</span>
<span><p>Euro:</p> '.$euro.'</span>
<span><p>Altın:</p> '.$altin.'</span>
</div>
';
?>

.dovizbilgiler span {
float: left;
margin-right: 10px;
}