php获取实时汇率数据

支付时常常会用到支付汇率,但汇率数据是实时的,没办法首先设定好,为避免亏损,只能做到实时的了,先推荐个php函数,能实时获取汇率数据.需要curl模块支持.

function getExchangeRate($from_Currency,$to_Currency){
    $amount = urlencode($amount);
    $from_Currency = urlencode($from_Currency);
    $to_Currency = urlencode($to_Currency);
    $url = "download.finance.yahoo.com/d/quotes.html?s=".$from_Currency.$to_Currency."=X&f=sl1d1t1ba&e=.html";
    $ch = curl_init();
    $timeout = 0;
    curl_setopt ($ch, CURLOPT_URL, $url);
    curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch,  CURLOPT_USERAGENT , "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)");
      curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    $rawdata = curl_exec($ch);
    curl_close($ch);
    $data = explode(',', $rawdata);
    return $data[1];
}
//调用方法 
echo getExchangeRate("CNY","USD");

 此函数调用的yahoo服务.

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