/**
* Returns the currency symbol for a site.
*
* @param int $idSite The ID of the site to return the currency symbol for.
* @return string eg, `'$'`.
* @api
*/
public static function getCurrencySymbol($idSite)
{
$symbols = self::getCurrencyList();
$currency = Site::getCurrencyFor($idSite);
if (isset($symbols[$currency])) {
return $symbols[$currency][0];
}
return '';
}