在php中获取当前金属价格api

从第二个环节 https://goldprice.org/ ,

我知道了,

$json = file_get_contents('https://data-asg.goldprice.org/dbXRates/USD');
$decoded = json_decode($json);
$item = $decoded->items;
$date = $decoded->date;
$gold_price = $item[0]->xauPrice;
echo "Gold price on ".$date." is ".$gold_price;