<?php $this->beginContent('//layouts/main')?>
<div>
<?php echo $content?>
</div>
<div class="sidebar tags">
   <ul>
      <li><a href="#php">PHP</a></li>
      <li><a href="#yii">Yii</a></li>
   </ul>
</div>
<div class="sidebar links">
   <ul>
      <li><a >Yiiframework</a></li>
      <li><a >PHP</a></li>
   </ul>
</div>
<?php $this->endContent()?>

<?php $this->beginContent('//layouts/main')?>
<div>
<?php echo $content?>
</div>
<div class="sidebar toc">
   <ul>
      <li><a href="#intro">1. Introduction</a></li>
      <li><a href="#quick-start">2. Quick start</a></li>
   </ul>
</div>
<?php $this->endContent()?>

class BlogController extends Controller
{
   function actionIndex()
   {
      $this->layout = 'blog';
      $this->render('//site/index');
   }
}

class ArticleController extends Controller
{
   function actionIndex()
   {
      $this->layout = 'articles';
      $this->render('//site/index');
   }
}

class PortfolioController extends Controller
{
   function actionIndex()
   {
      $this->render('//site/index');
   }
}