Sacar datos de una URL

[__SDP__]

Código PHP:

$url = 'https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.xchange%20where%20pair%20in%20(%22GBPEUR%22)&format=json&diagnostics=true&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=';    
             
$data = file_get_contents($url); 
$data = json_decode($data);
 
 
echo $data->query->results->rate->Rate;