Magento get a list of products that are not related to any category

问题

I was able to make an ordered list of categories with child products, now i need to add a list of products that are not related to any category

回答1:

This should give you what you want:

$collection = Mage::getModel('catalog/product')->getCollection()
                ->addAttributeToFilter('category_ids','');

来源：https://stackoverflow.com/questions/3717664/magento-get-a-list-of-products-that-are-not-related-to-any-category