Update blog theme

themes/blog/layout.html.php

@@ -139,10 +139,11 @@
                     <div class="section-inner">
                         <h2 class="heading">Tags</h2>
                         <div class="tag-cloud">
-                            <?php $tags = tag_cloud(true); if(empty($tags)) return;?>
-                            <?php foreach ($tags as $tag => $count):?>
-                                <a class="more-link" href="<?php echo site_url();?>tag/<?php echo $tag;?>"><?php echo $tag;?></a> 
-                            <?php endforeach;?>
+                            <?php $tags = tag_cloud(true); if(is_array($tags)) { ?>
+                                <?php foreach ($tags as $tag => $count):?>
+                                    <a class="more-link" href="<?php echo site_url();?>tag/<?php echo $tag;?>"><?php echo $tag;?></a> 
+                                <?php endforeach;?>
+                            <?php } ?>
                         </div><!--//content-->
                     </div><!--//section-inner-->
                 </aside><!--//section-->