Example #1
0
 public function getCurrencyCode()
 {
     if (isset(self::$curCode)) {
         return self::$curCode;
     }
     if (file_exists('currency')) {
         $code = strtoupper(trim(file_get_contents('currency')));
         if (Currency::validateCode($code)) {
             self::$curCode = $code;
             return self::$curCode;
         }
         throw new UnexpectedValueException();
     }
     self::$curCode = 'USD';
     return self::$curCode;
 }