switch ($action) {
case 'add':
$tags = $_POST['tags'];
$tags = explode(' ', $tags);
$result = $catalog->add_tags($tags);
echo "{$result} tags added";
break;
case 'delete':
$tags = $_POST['tags'];
$result = $catalog->delete_tags($tags);
echo "{$result} tags deleted";
break;
case 'tag':
$aliases = $_POST['aliases'];
$tags = $_POST['tags'];
$result = $catalog->tag_books($aliases, $tags);
echo "{$result} tags applied";
break;
case 'untag':
$aliases = $_POST['aliases'];
$tags = $_POST['tags'];
$result = $catalog->untag_books($aliases, $tags);
echo "{$result} tags removed";
break;
}
echo '</div>';
}
?>
<div class="content">
