protected function save($xml)
{
$code = array(new \Nette\DateTime((string) $xml->Cube->Cube["time"]));
$ex = explode(self::PIPE, self::ITEM_EUR);
if (count($ex) === 2 && $ex[self::RATE] >= 0) {
$currCode = Currency::code($ex[self::CODE]);
$code[$currCode] = new Currency($currCode, $ex[self::RATE]);
}
foreach ($xml->Cube->Cube->Cube as $rate) {
$currCode = Currency::code((string) $rate["currency"]);
$rate = (string) $rate["rate"];
$code[$currCode] = new Currency($currCode, $rate);
}
return $code;
}
protected function save($data)
{
$code = array($data[0]);
unset($data[0]);
foreach ($data as $val) {
$ex = explode(self::PIPE, $val);
if (count($ex) != 5 || $ex[self::TO] <= 0 || isset($code[$ex[self::TO]])) {
continue;
}
$currCode = Currency::code($ex[self::CODE]);
$obj = $code[$currCode] = new Currency($currCode, $ex[self::TO]);
$obj->country = $ex[self::COUNTRY];
$obj->name = $ex[self::NAME];
}
return $code;
}
/**
* transfer number by exchange rate
* @param double|int|string $price number
* @param string|FALSE $from default currency, FALSE no transfer
* @param string $to output currency
* @param int $round number round
* @return double
*/
public function change($price, $from = NULL, $to = NULL, $round = NULL)
{
$price = (double) $price;
$to = $to === NULL ? $from : ($to ? $to : $this->getDefault());
if ($from !== FALSE && $to) {
$from = $from ? $from : $this->getDefault();
if (Currency::code($to) != Currency::code($from)) {
$fromCurrency = $this->loadCurrency($from);
$toCurrency = $this->loadCurrency($to);
$price *= $toCurrency->getRate() / $fromCurrency->getRate();
}
}
if ($round !== NULL) {
$price = round($price, $round);
}
return $price;
}
