Display magento products by category ID

Question

I need to know how can I display products in a page like (cart, below total) only few products by ID. Eg: products with id 2,3,4 and 5.

Answer 1

get Product from specific category

$categoryIds = array(2,4);//category id

$collection = Mage::getModel('catalog/product')
                             ->getCollection()
                             ->joinField('category_id', 'catalog/category_product', 'category_id', 'product_id = entity_id', null, 'left')
                             ->addAttributeToSelect('*')
                             ->addAttributeToFilter('category_id', array('in' => $categoryIds))

get Product for specific product id

$productids = array(52,62);//product ids
$collection = Mage::getResourceModel('catalog/product_collection');
$collection->addFieldToFilter('entity_id',array( 'in' => $productids));

then write this in phtml

count() ?>
    getColumnCount(); ?>
    
        
        

        
            

                
                        
                    
                
getName() ?>
               

               currency($product->getPrice(),true,false);?>
               
                

                    isSaleable()): ?>
                        __('Köp');?>
                    
                        
__('Out of stock') ?>
                    

                
            
        
        
        
        

hope this help you