I want to code unlimited categories-subcategories based features. I'm looking for easy solution/article with php for hierarchical database design. Thanks
Google these words: Adjacency List Nested Sets Materialized Path I suppose there are solutions for php like http://pear.php.net/package/DB_NestedSet http://semlabs.co.uk/journal/converting-nested-set-model-data-in-to-multi-dimensional-arrays-in-php