syntax error html line in Index.php

I'm having an issue in the end of the file as showing in the image below the error showing in the end of the page where it's says </HTML>. I tried to edit the file without any success so i will need someone to give me so hints where's my problem in the code. Please help me to understand where's my problem. Thank you for your help.

click here

  <?php
/*
 * Copyright 2011 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
session_start();
require_once '../../src/apiClient.php';
require_once '../../src/contrib/apiPagespeedonlineService.php';

$client = new apiClient();
$client->setApplicationName("PageSpeedOnline_Example_App");
$service = new apiPagespeedonlineService($client);

if (isset($_GET['url'])) {
  $result = $service->pagespeedapi->runpagespeed($_GET['url']);
}
?>
<!doctype html>
<html>
<head><link rel='stylesheet' href='style.css' /></head>
<body>
<header><h1>Google Page Speed Sample App</h1></header>
<div class="box">
  <div id="search">
    <form id="url" method="GET" action="index.php">
      <input name="url" class="url" type="text">
      <input type="submit" value="Analyze Performance">
    </form>
  </div>

  <?php if (isset($result)): ?>
    <div class="result">
      <h3>Summary</h3>
      <?php print $result['title']; ?> got a PageSpeed Score of <b><?php print $result['score']; ?></b> (out of 100).
      <div>Title: <?php print $result['title']; ?></div>
      <div>Score: <?php print $result['score']; ?></div>
      <div>Number of Resources: <?php print $result['pageStats']['numberResources']; ?></div>
      <div>Number of Hosts: <?php print $result['pageStats']['numberHosts']; ?></div>
      <div>Total Request Bytes: <?php print $result['pageStats']['totalRequestBytes']; ?></div>
      <div>Number of Static Resources: <?php print $result['pageStats']['numberStaticResources']; ?></div>
      <pre><?php var_dump($result); ?></pre>
    </div>
    </div>
</body>
</html>

Solution

Missing <?php endif; ?> for

<?php if (isset($result)): ?>

It should probably be after first </div>, which is:

</div>
<?php endif; ?>
</div>