php - Magento - Get Products from Specific Category -


i using following code display 4 products in random order. works, i'd limit results particular category or array of categories. how go implementing change?

thanks!

<?php $products = mage::getmodel('catalog/product')->getcollection();   $products->addattributetoselect(array('name', 'thumbnail', 'price')); //feel free add other attribues need.   mage::getsingleton('catalog/product_status')->addvisiblefiltertocollection($products);   mage::getsingleton('catalog/product_visibility')->addvisibleincatalogfiltertocollection($products);    $products->getselect()->order('rand()');   $products->getselect()->limit(4);   foreach ($products $product)  : ?>     <div class="three columns">       <div class="product_container ">         <div class="feat_prod_cont">           <h4 class="feature_product_title"><a href="<?php echo $product->getproducturl()?>"><?php echo $product->getname()?></a></h4>           <a href="<?php echo $product->getproducturl()?>"><img class="thumbnail" src="<?php echo mage::helper('catalog/image')->init($product, 'thumbnail')->resize(93, 100)?>" alt=" "></a>           <div class="prod_details_featured">             <h3 class="price">$199.99</h3>             free shipping free stove           </div>           <div class="buy_btn"><a href="<?php echo mage::helper('checkout/cart')->getaddurl($product); ?>">add cart</a></div>         </div>       </div>     </div> <?php endforeach; ?>


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