function get_exchange_rate($from, $to)
{
// eg: AUD to AUD == 1
if ($from == $to) {
return 1;
}
$debug = $_REQUEST["debug"];
usleep(500000);
// So we don't hit their servers too hard
$debug and print "<br>";
$url = 'http://finance.yahoo.com/d/quotes.csv?f=l1d1t1&s=' . $from . $to . '=X';
$data = file_get_contents($url);
$debug and print "<br>Y: " . htmlentities($data);
$results = explode(",", $data);
$rate = $results[0];
$debug and print "<br>Yahoo says 5 " . $from . " is worth " . $rate * 5 . " " . $to . " at this exchange rate: " . $rate;
if (!$rate) {
$url = 'http://www.google.com/ig/calculator?hl=en&q=' . urlencode('1' . $from . '=?' . $to);
$data = file_get_contents($url);
$debug and print "<br>G: " . htmlentities($data);
$arr = alloc_json_decode($data);
$rate = current(explode(" ", $arr["rhs"]));
$debug and print "<br>Google says 5 " . $from . " is worth " . $rate * 5 . " " . $to . " at this exchange rate: " . $rate;
}
return trim($rate);
}
function g($var)
{
$rtn = $_GET[$var] or $rtn = $_POST[$var] or $rtn = $_REQUEST[$var];
$var == "options" and $rtn = alloc_json_decode($_POST[$var]);
return $rtn;
}
