Subversion Repositories cheapmusic

<?php
$rateFile = "exchangeRates.php";

if (is_file($rateFile)) {
        $diff = (time() - filemtime($rateFile)) / 86400;
        echo "$rateFile last modified " . $diff . " days ago." . PHP_EOL;
        if ($diff < 0.9) {
                echo "Exiting - File too new." . PHP_EOL;
                exit(1);
        }
}

$str = '<?php' . PHP_EOL;
$str .= 'function getExchangeRate($source, $target) {' . PHP_EOL;
$str .= '  $currencyRates = array (' . PHP_EOL;

/*  
  $str .= retrieveRates("AUD");
  $str .= ','. PHP_EOL;
  $str .= retrieveRates("CAD");
  $str .= ','. PHP_EOL;
  $str .= retrieveRates("CNY");
  $str .= ','. PHP_EOL;
  $str .= retrieveRates("EUR");
  $str .= ','. PHP_EOL;
  $str .= retrieveRates("GBP");
  $str .= ','. PHP_EOL;
  $str .= retrieveRates("HKD");
  $str .= ','. PHP_EOL;
  $str .= retrieveRates("INR");
  $str .= ','. PHP_EOL;
  */
$str .= retrieveRates("USD");

$str .= '  );' . PHP_EOL;
$str .= '' . PHP_EOL;
$str .= '  $rate = 1;' . PHP_EOL;
$str .= '' . PHP_EOL;
$str .= '  if (array_key_exists($source, $currencyRates)) {' . PHP_EOL;
$str .= '    if (array_key_exists($target, $currencyRates[$source])) {' . PHP_EOL;
$str .= '          $rate = $currencyRates[$source][$target];' . PHP_EOL;
$str .= '    }' . PHP_EOL;
$str .= '  }' . PHP_EOL;
$str .= '' . PHP_EOL;
$str .= '  return($rate);' . PHP_EOL;
$str .= '}' . PHP_EOL;
$str .= '?>' . PHP_EOL;

if (is_file($rateFile)) {
        rename($rateFile, $rateFile . ".old");
}

file_put_contents($rateFile, $str);
echo "$rateFile updated." . PHP_EOL;
exit(0);

function retrieveRates($source)
{
        $accessKey = "9ca495b56281a691775f8b289e586f8f";
        $apiCall = "http://apilayer.net/api/live?access_key=" . $accessKey . "&source=";

        $json = file_get_contents($apiCall . $source);
        $json = json_decode($json);

        if ($json->success !== true) {
                echo "CurrencyLayer Error (" . $source . "): " . $json->error->code . " / " . $json->error->info . PHP_EOL;
                echo "Exiting." . PHP_EOL;
                exit(2);
        }

        $str = '    "' . $source . '" => array (' . PHP_EOL;

        foreach ($json->quotes as $symbol => $quote) {
                $str .= '          "' . substr($symbol, 3) . '" => ' . $quote . ',' . PHP_EOL;
        }

        $str .= '    )' . PHP_EOL;

        return ($str);
}
?>