Get Dollar current rate with INR

<?php
function current_rate($price=1)
{
  
        $url  = "http://www.google.com/finance/converter?a=$price&from=USD&to=INR";
       $data = file_get_contents($url);
         preg_match("/<span class=bld>(.*)<\/span>/",$data, $converted);
            
     $new_price = preg_replace("/[^0-9.]/", "", $converted[1]);
    

return    $new_price;
}




echo "1$==".$current_dolar_rate=current_rate(1) ." INR";
?>