title: how to code breadcrumbs (php kohana framework)?
body: <p>is this good way to code breadcrumbs?</p>
  
  <ol>
  <li>create table "categories" using mysql</li>
  <li>create after neccessary columns "parent_id" column</li>
  <li>if parent_id column have null value it means that this category is parent and if else this columns parent is a column with id which marked in "parent_id" column</li>
  <li>recursively query to "parent_id" column starting at current column and print category name.</li>
  </ol>