PHP code to get currency exchange rate

gistfile1.php

<?php
public static function currencyImport($from, $to)
{
	$url = 'http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s=' . $from . $to . '=X';
	$handle = @fopen($url, 'r');
	if ($handle)
	{
		$result = fgets($handle, 4096);
		fclose($handle);
	}
	$currencyData = explode(',', $result);
	return $currencyData[1];
}