index.php ？ The Client side
<?php include_once ("site.lib"); ?>
<html>
<head>
<title> <?php print_header (); ?> </title>
</head>
<body>
<h1> <?php print_header (); ?> </h1>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="25%">
<?php print_links (); ?>
</td>
<td>
<?php print_body (); ?>
</td> 字串5
</tr>
</table>
</body>
</html>
site.lib ？ The server side code
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