currency converter google finance calculator can be for all language - php

currency_converter.php

//I have used google finance calculator for this purpose

function convertCurrency($amount, $from, $to){
    $url  = "https://www.google.com/finance/converter?a=$amount&from=$from&to=$to";
    $data = file_get_contents($url);
    preg_match("/<span class=bld>(.*)<\/span>/",$data, $converted);
    $converted = preg_replace("/[^0-9.]/", "", $converted[1]);
    return round($converted, 3);
}

//# Call function

echo convertCurrency(1, "USD", "INR");

//More info can be found here

//http://www.altafweb.com/2013/11/convert-currency-using-google-finance.html