google url shortener

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>

<style type="text/css">
  #shorten_container{margin-top: 20px;background: none repeat scroll 0 0 #66b5e5; padding: 0.5em 1em; vertical-align: middle; white-space: nowrap;}
  #longUrl { border: 1px solid #666666;    height: 1.33em;    margin-right: 0.2em;    padding: 0;    width: 19em;font-size: 25px}
  input[type=submit]{font-size: 25px}
  table {font-size: 20px;padding: 10px}
  table td{border: 1px solid #999;padding: 5px}
  label{font-weight: bold}
</style>

</head>
<body>
<div id="doc2" class="yui-t7">
   <div id="hd" role="banner"><h1>My Droid Central URL shortener</h1></div>
   <div id="bd" role="main">
      <p id="intro">Shorten your URL here!.</p>
	<div class="yui-g">

<?php
      //grab your Shortner KEY
      define('GOOGLE_API_KEY',"AIzaSyBeFQk8nh8PHErHAl9jn9Au77B3j8SKIm0");
      //define endpoint Shortner
      define('GOOGLE_ENDPOINT',"https://www.googleapis.com/urlshortener/v1/url");

      //function for shortner long URL
      function shortenUrl($longUrl) {

         $url = sprintf("%s?key=%s",GOOGLE_ENDPOINT,GOOGLE_API_KEY);
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, $url);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 2);
         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
         curl_setopt($ch, CURLOPT_HEADER, 0);
         curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type:application/json'));
         curl_setopt($ch, CURLOPT_POST, 1);
         curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array("longUrl"=>$longUrl)));
         $data = curl_exec($ch);
         curl_close($ch);

        return json_decode($data,true);
      }

      //function for reverse URL
      function expandUrl($shortUrl) {

         $url = sprintf("%s?key=%s&shortUrl=%s",GOOGLE_ENDPOINT,GOOGLE_API_KEY,$shortUrl);
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, $url);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 2);
         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
         $data = curl_exec($ch);
         curl_close($ch);

        return json_decode($data,true);
      }


      echo"<div id='shorten_container'>";
      echo"<form action=".$_SERVER['PHP_SELF']." method='get'>";
      echo"<p><label for='longUrl'>Paste your long url here:</label></p>";
      echo"<p><input type='text' id='longUrl' name='longUrl'/><input type='submit' name='shorten' value='Submit'></p>";
      echo"</form>";
      echo"</div>";
      echo"<div id='result'>";
      if(isset($_GET['longUrl']) && isset($_GET['shorten'])) {
               $response = shortenUrl($_GET['longUrl']);
               $short= $response['id'];
               $long = $response['longUrl'];
               echo"<table>";
               echo"<tr><td>$short</td></tr>";
               echo"</table>";
      }
      echo"</div>";

?>


	</div>
	</div>
</div>
</body>
</html>