tedshd/get.php

## get.php
<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Get</title>
</head>
<body>
<?pdp
echo 'Get' . htmlspecialchars($_GET['get_length']);
?>
</body>
</html>

## get_test.html
<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>php get test</title>
    <script src="http://code.jquery.com/jquery-1.9.1.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
            $("button").on("click", function(e) {
                var length = $("#num").val();
                // alert($("#num").val());
                var getSum = "1";
                for (var i = 1; length>= i; i++) {
                    var n  = "1";
                    getSum = n + getSum;
                };
                $("#get").attr("value", getSum);
                $("#length").append(getSum.length);
            })
        });
    </script>
</head>
<body>
    Input length: <input type="text" id="num">
    <button>Check</button>
    <form id="form" action="get.php" method="get">
        Get: <input type="text" name="get_length" id="get" value="get_value_length">
        <input type="submit">
    </form>
    <div id="length">Get string length: </div>
</body>
</html>
	<!doctype html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Get</title>
	</head>
	<body>
	<?pdp
	echo 'Get' . htmlspecialchars($_GET['get_length']);
	?>
	</body>
	</html>