PHP currency converter with Google

currency-converter_func.php

<?php
function converterCurrency($price) {
    $price = (float) $price;
    if ( $country == 'ru') { //Your switching rule here
        $cur_glyph = ' &#8381;'; // Currency Glyph
        $amount = urlencode($price);
        $from_Currency = urlencode('USD'); //Initial Currency
        $to_Currency = urlencode('RUB'); //Target Currency
        $get = file_get_contents("https://www.google.com/finance/converter?a=$amount&from=$from_Currency&to=$to_Currency");
        $get = explode("<span class=bld>", $get);
        $get = explode("</span>", $get[1]);
        $converted_amount = round((string) preg_replace("/[^0-9\.]/", null, $get[0]), 2);
        $result = $converted_amount . $cur_glyph; //Output
    } else {
        $cur_glyph = '$';
        $result = $cur_glyph . $price; //Default Output
    }
    return $result;
}
?>