In what format does the server send data?

Question

PHP

In what format does the server send the data?
quotes.weltrade.com/export/quotes.json here seems to be Json , but it's kind of strange
How to pull the first digit after eurusd into a variable
here is the request code

<?php
      $ch = curl_init('http://quotes.weltrade.com/export/quotes.json');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, false );
        curl_setopt($ch, CURLOPT_POST, true);
      $result = curl_exec($ch);
      $course = json_decode($result);
      var_dump($course);
      curl_close($ch);

 ?>

Here is what is output

quotes()int(1)

Answer 1

Obviously it's JSONP