json için örnek:
<html>
<body>
    <?php
    $source = 'https://cdn.jsdelivr.net/gh/fawazahmed0/currency-api@1/latest/currencies/usd.json';
    $currency = json_decode(file_get_contents($source),true);
    ?>
    <span id="try"><?php echo $currency['usd']['try']; ?></span>
    <button id="update">update</button>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <script>
        $( "#update" ).click(function() {
        $.getJSON("<?php echo $source; ?>", function(x){
            $("#try").text(x['usd']['try']);
        });
        });
    </script>
</body>
</html>