How to get parent category Id in Magento

To get Parent Category Id you must know the current category Id, for that you need to write

<?php
$_cat = new Mage_Catalog_Block_Navigation();
$curent_cat = $_cat->getCurrentCategory();
$curent_cat_id = $curent_cat->getId();?>

Now you can get Parent Category Id.

write the code given below to get the Id

 <?php $parentId=Mage::getModel('catalog/category')->load($curent_cat_id)-&gt;getParentId();
echo  $parentId; // $parentId will print your current category's parent Id
?>
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