How to get bundle's child product ids

Question

By using the following code Get Bundle product ids

$productIDs = $product->getTypeInstance(true)->getChildrenIds($product->getId(), false)

Mage::log($productIDs); 

using above retrive multi-dimensional array..

Array
(
[0] => Array
    (
        [21] => 21
        [25] => 25
    )

[1] => Array
    (
        [28] => 28
    )
)

in my case i have a bundle with three product... i just need product ids(21, 25 and 28) i try a lot but unable figure out. any help would be greatly appreciated

Answer 1

Try the below code ,

         $id = 10;//bundled product id
         $product = Mage::getModel('catalog/product')->setStoreId(Mage::app()->getStore()->getId())->load($id);
         $collection = $product->getTypeInstance(true)
            ->getSelectionsCollection($product->getTypeInstance(true)->getOptionsIds($product), $product);

         $itemIds = array();

         foreach ($collection as $item) {
            $itemIds[] = $item->getId();
           // echo "<pre>";
           // print_r($item->getData());
           // echo "</pre>";
         }
         var_dump($itemIds);