我想在 php 中将货币从 INR 转换为 USD，这是我迄今为止尝试过的代码。但它不起作用。我缺少什么？
function currency($from_Currency,$to_Currency,$amount) {
$amount = urlencode($amount);
$from_Currency = urlencode($from_Currency);
$to_Currency = urlencode($to_Currency);
$url = "http://www.google.com/ig/calculator?hl=en&q=$amount$from_Currency=?$to_Currency";
$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);
$data = explode('"', $data['3']);
$var = $data[0];
return round($var,3);
}
$amount=130;
$from='INR';
$to='USD';
echo currency($from,$to,$amount);
由于谷歌将网址更改为
https://www.google.com/finance/converter?a
所以我找到的修复如下。
$amount = 1.00;
$from_Currency = 'USD';
$to_Currency = 'INR';
$amount = urlencode($amount);
$from_Currency = urlencode($from_Currency);
$to_Currency = urlencode($to_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]);
echo $converted_amount = preg_replace("/[^0-9\.]/", null, $get[0]);
原始来源：Google 货币转换器 API - 会随 iGoogle 一起关闭吗？ https://stackoverflow.com/questions/17773898/google-currency-converter-api-will-it-shut-down-with-igoogle
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