Side Bar View Block in view template

sidebar-page.ctp.php

// app/View/Common/sidebar-page.ctp
<div class="primary">
	<div class="primary-content">
		<?php echo $this->fetch('content'); ?>
	</div>
</div>
<div class="sidebar">
	<?php if ($this->fetch('related')): ?>
		<div class="related">
			<h3>Related content</h3>
			<?php echo $this->fetch('related')); ?>
		</div>
	<?php endif; ?>
</div>

view.ctp.php

// app/View/Product/view.ctp
<?php $this->extend('Common/sidebar-page'); ?>

<?php $this->start('related'); ?>
	<p>Other items related to <?php echo h($product['Product']['name']); ?>:</p>
	<?php echo $this->element('product/related', array('related' => $product['RelatedProducts']));
<?php $this->end(); ?>

<h1><?php echo h($product['Product']['description']); ?></h1>
// More product details below.

http://mark-story.com/posts/view/view-inheritance-in-cakephp