Nel codice sotto riportato mi viene Parse error: syntax error, unexpected $end in C:\Programmi\xampp\htdocs\PHP Corso\Myecommerce\include\common.inc.php on line 33


Codice PHP:
<?php
    include("config.inc.php");

    function mainheader($page_title) 
    { 
?>
      <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
       <html xmlns="http://www.w3.org/1999/xhtml">
        <head>
          <title><?php echo $page_title; ?> | Il mio Ecommerce</title>
<?
    }
        </head>
    function pageheader() 
    {
?>
        <body>
         <div id="container">
<?     }

    function pagefooter() 
    { 
?>

<?     }

    function mainfooter() 
    { 
?>
         </div>
        </body>
       </html>
<?  }  ?>