- <?php if(x($page,'nav')) echo $page['nav']; ?>
- <aside><?php if(x($page,'right_aside')) echo $page['right_aside']; ?></aside>
- <section><?php if(x($page,'content')) echo $page['content']; ?>
+ <?php if(!empty($page['nav'])) echo $page['nav']; ?>
+ <aside><?php if(!empty($page['right_aside'])) echo $page['right_aside']; ?></aside>
+ <section><?php if(!empty($page['content'])) echo $page['content']; ?>