1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category  Zend

    16  * @package   Zend_Currency

    17  * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license   http://framework.zend.com/license/new-bsd     New BSD License

    19  * @version   $Id: CurrencyInterface.php 20785 2010-01-31 09:43:03Z mikaelkael $

    20  */

    21 

    22 /**

    23  * Exception class for Zend_Currency

    24  *

    25  * @category  Zend

    26  * @package   Zend_Currency

    27  * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    28  * @license   http://framework.zend.com/license/new-bsd     New BSD License

    29  */

    30 interface Zend_Currency_CurrencyInterface

    31 {

    32     /**

    33      * Returns the actual exchange rate

    34      *

    35      * @param string $from Short Name of the base currency

    36      * @param string $to   Short Name of the currency to exchange to

    37      */

    38     public function getRate($from, $to);

    39 }