example2.php at CurrencyConvert

<html>

<head>
  <title>Currency Converter</title>
</head>

<body>


<?php

/************************************************************************************************************************

	Copyright Â© 2007-2009 Stephen Smith
	email: hide@address.com

	This file is part of CurrencyConvert.

	CurrencyConvert is free software; you can redistribute it and/or modify
	it under the terms of the GNU Lesser General Public License as published by
	the Free Software Foundation; either version 2.1 of the License, or
	(at your option) any later version.

	CurrencyConvert is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public License
	along with CurrencyConvert; if not, write to the Free Software
	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

*************************************************************************************************************************/




//*************************** EXAMPLE USAGE *********************************


// Instantiate a new CurrencyConvert object
require_once( 'CurrencyConvert.class.php' ) ;

$quote = new CurrencyConvert( 'Google' ) ;

// Get the currencies available
$currency_list = $quote->currencies() ;

// If the form has been submitted then display the result
if ( isset( $_POST['from'] ) and isset( $_POST['to'] ) and isset( $_POST['value'] ) )
{
	// Obtain a quotation, using the required currency symbols
	$quote->convert( $_POST['from'], $_POST['to'], $_POST['date'] ) or die( 'Exchange rate lookup failed' ) ;
	$from_value = $_POST['value'] ;
	$to_value = $quote->price( $from_value ) ;
	echo '<p><strong>' . $from_value . ' ' . $quote->name( 'from' ) . ' = ' . $to_value . ' ' . $quote->name( 'to' ) . '</strong></p>' ;
}

//Display the table with the drop-down currency lists
echo '<FORM name="CurrencyConvert" action="' . $_SERVER['PHP_SELF'] . '" method="POST">
    <p>From:</p>
	<SELECT name="from" class="dropdown">' ;

// The following line is optional and has been added to show how you can set
// a default currency (in this case British Pounds) using its currency symbol
echo '<OPTION name="from" value="GBP">' . $currency_list['GBP'] . ' (GBP)'. '</OPTION>' ;

foreach ( $currency_list as $symbol => $name )
{
	echo '<OPTION name="from" value="' . $symbol . '">' . $name . ' (' . $symbol . ')'. '</OPTION>' ;
}
echo '</SELECT>
	<p>To:</p>
	<SELECT name="to" class="dropdown">' ;
foreach ( $currency_list as $symbol => $name )
{
	echo '<OPTION name="from" value="' . $symbol . '">' . $name . ' (' . $symbol . ')'. '</OPTION>' ;
}
echo '</SELECT>
	<p>Value:</p>
	<INPUT name="value" type="text" value="" size="6">
    <p>Date (leave blank for NOW)<br />Note that this only works for the "Yahoo2" data source</p>
    <INPUT name="date" type="text" value="" size="12"> eg 23-Nov-2008, or Unix timestamp 
    <br /><br />
	<INPUT name="convert" value="Calculate" type="submit">
	</FORM>' ;


//************************** END EXAMPLE USAGE ******************************



?>


</body>

</html>