95 lines
3.8 KiB
PHP
95 lines
3.8 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Marshall Roch <marshall@exclupen.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Currencies_UN.php,v 1.3 2005/06/23 08:10:21 cross Exp $
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/**
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* Currency code driver - United Nations Economic Commision for Europe
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*
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* Retrieves the ISO 4217 currency codes in XML format from the United
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* Nations Economic Commission for Europe. This file is cached for 4 weeks
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* by default, since it hardly ever changes. In the event that a new
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* currency is added and there is a known exchange rate for that currency,
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* it will be automatically added to the list.
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*
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* @author Marshall Roch <marshall@exclupen.com>
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* @copyright Copyright 2003 Marshall Roch
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* @license http://www.php.net/license/2_02.txt PHP License 2.0
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* @package Services_ExchangeRates
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*/
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/**
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* Include common functions to handle cache and fetch the file from the server
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*/
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require_once 'Services/ExchangeRates/Common.php';
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/**
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* United Nations Currency Codes Driver
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*
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* @link http://www.unece.org/etrades/uncopyright.htm IMPORTANT COPYRIGHT INFORMATION
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* @link http://www.unece.org/etrades/unedocs/repository/codelists/xml/CurrencyCodeList.xml
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* @package Services_ExchangeRates
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*/
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class Services_ExchangeRates_Currencies_UN extends Services_ExchangeRates_Common {
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/**
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* URL of XML feed
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* @var string
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*/
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var $feedUrl = 'http://www.timetrex.com/CurrencyCodeList.xml';
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//var $feedUrl = 'http://www.unece.org/etrades/unedocs/repository/codelists/xml/CurrencyCodeList.xml';
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/**
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* Retrieves currency codes and their associated names (e.g. USD => US Dollar)
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* from the UN or the cache. The default cache length is 1 month.
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*
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* @param int Optionally override default 1 month cache length (in seconds)
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* @return array Array of currency codes to currency names
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*/
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/**
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* Downloads exchange rates in terms of the Euro from the European Central Bank. This
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* information is updated daily, and is cached by default for 1 hour.
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*
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* @link http://www.ecb.int/stats/eurofxref/ HTML version
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* @link http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml XML version
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*
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* @param int Length of time to cache (in seconds)
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* @return array Array of currency codes to exchange rates
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*/
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function retrieve($cacheLength, $cacheDir) {
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// retrieve the feed from the server or cache
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$root = $this->retrieveXML($this->feedUrl, $cacheLength, $cacheDir);
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foreach($root->children as $curr) {
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// Filter out blank or unwanted elements
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if ($curr->name == "Currency") {
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// loop through and put them into an array
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$currencies[$curr->children[1]->content] = $curr->children[3]->content;
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}
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}
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return $currencies;
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}
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}
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?>
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