Create basic breadcrumb with page blocks in LemonStand

gistfile1.php

// Create a page block called "breadcrumb"

<?php $category = isset($product) ? $product->categories[0] : null; ?>

<?php if($category): ?>
	<?php foreach ($category->get_parents() as $parent): ?>
		<li><a href="<?php echo $parent->page_url('/category') ?>"><?php echo h($parent->name); ?></a></li>
	<?php endforeach; ?>
	<li><a href="<?php echo $category->page_url('/category'); ?>"><?php echo h($category->name); ?></a></li>
<?php endif; ?>
  
<?php if($product): ?>
	<li class="active"><a href="<?php echo $product->page_url('/product'); ?>"><?php echo h($product->name); ?></a></li>
<?php endif; ?>

gistfile2.php

// Output in your layout as so:

<ul class="breadcrumb pull-right">
	<li>
		<a href="<?php echo site_url('/'); ?>">Home</a>
	</li>
	<?php $this->render_block('breadcrumb'); ?>
</ul>