<title>HTML Help Books</title> <link href="css/default.css" type="text/css" rel="stylesheet"/> </head> <body> <div class="header">HTML Help Books</div> <div id="tags" class="sidebox"> <span class="title">Tags</span> <table> <tr> <th class="count">#</th> <th class="tag">Tag</th> </tr> <?php $catalog = new BookCatalog(); $tags = $catalog->count_tags(); foreach ($tags as $tag => $tag_count) { ?> <tr > <td class="count"><?php echo $tag_count; ?> </td> <td class="tag"><a href="books.php?tag=<?php echo htmlspecialchars($tag, ENT_QUOTES); ?> "><?php echo htmlspecialchars($tag, ENT_NOQUOTES); ?> </a></td> </tr>