<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Marshall Roch <marshall@exclupen.com> |
// +----------------------------------------------------------------------+
//
// $Id$
/**
* Example using Services_ExchangeRates to create a form-based currency converter
*
* @package Services_ExchangeRates
*/
/**
* Requires Services_ExchangeRates to function
*/
require_once 'Services/ExchangeRates.php';
/**
* Creates new instance of currency converter
*
* @param string Choose where the exchange rates are coming from. In this case,
* it's the European Central Bank.
* @param string Choose where the currency rates are coming from. In this case,
* it's the United Nations.
*/
$conv = new Services_ExchangeRates('ECB', 'UN');
?>
<html>
<head>
<title>Currency Converter - PEAR::Services_ExchangeRates Example</title>
</head>
<body>
<h1>Currency Converter</h1>
<?php
if (!empty($_POST['amount'])) {
echo "<h1>";
echo $conv->format($_POST['amount']) . ' ' . $_POST['from'];
echo " = ";
echo $conv->convert($_POST['from'], $_POST['to'], $_POST['amount']) . ' ' . $_POST['to'];
echo "</h1>";
} else {
echo "<h1>Enter how much you want to convert!</h1>";
}
$options = array();
foreach ($conv->validCurrencies as $code => $label) {
$options .= '<option value="' . $code . '">' . $label . '</option>';
}
?>
<h2>I want to convert...</h2>
<form method="POST" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<table style="border-collapse: separate; border-spacing: 1em;">
<tr style="text-align: center;">
<td>
<label for="amount">this amount</label><br />
<input type="text" name="amount" id="amount" value="1" />
</td>
<td>
<label for="from">of this type of currency</label><br />
<select name="from" id="from">
<?php echo $options; ?>
</select>
</td>
<td>
<label for="to">to this type of currency</label><br />
<select name="to" id="to">
<?php echo $options; ?>
</select>
</td>
</tr>
<tr style="text-align: center;">
<td colspan="3">
<input type="submit" value="Convert my money!" />
</td>
</tr>
</table>
</form>
</body>
</html>
