Hjdcti

Working on the categories for a magento homepage for pulling out categories on the main page.

At the moment it pulls all out of the categories out but I want to limit this too 6 categories.

I have tried a few different options and have not been able to get this working correctly.

What would be the best way to apply the limit? I have included code below.

<ul class="cat-nav">
<?php
 $obj = new Mage_Catalog_Block_Navigation();
 $storeCategories = $obj->getStoreCategories();
 Mage::registry('current_category') ? $currentCategoryId = Mage::registry('current_category')->getId() : $currentCategoryId='';
 foreach ($storeCategories as $_category):
?>
 <li class="<?php echo $_category->getName(); ?>">

 <?php $categoryChildren = $_category->getChildren(); ?>
 <?php if($categoryChildren->count()) : ?>
 <ul>

 <?php foreach($categoryChildren as $_categoryChild) : ?>
 <?php $_categoryChildModel = Mage::getModel('catalog/category')->load($_categoryChild->getId());?>
 <?php $categoryGrandchildren=$_categoryChild->getChildren(); ?>
 <li class="<?php echo $_category->getName(); ?>">
 <?php
 $currentCategoryId===$_categoryChild->getId() ? $bold="style="font-weight:bold"" : $bold='';
 echo '&emsp;' . '<a href="' . $_categoryChildModel->getUrl() . '"' . $bold . '>' . $_categoryChild->getName() . '' . $_categoryChildModel->getProductCollection() . '</a>';
 ?>
 </li>
 <?php if($categoryGrandchildren->count()) : ?>
 <?php foreach($categoryGrandchildren as $_categoryGrandchild) : ?>
 <?php $_categoryGrandchildModel = Mage::getModel('catalog/category')->load($_categoryGrandchild->getId());?>
 <li>
 <?php
 $currentCategoryId===$_categoryChild->getId() ? $bold="style="font-weight:bold"" : $bold='';
 echo '&emsp;&emsp;' . '<a href="' . $_categoryGrandchildModel->getUrl() . '"' . $bold . '>' . $_categoryGrandchild->getName() . '(' . $_categoryGrandchildModel->getProductCount() . ')</a>';
 ?>
 </li>
 <?php endforeach; ?>
 <?php endif; ?>
 <?php endforeach; ?>
 </ul>
 <?php endif; ?>
 </li>
 <?php endforeach ?>
</ul>

You can get a list of categories based on the parent id like this:

$parentId = 'Your parent id here';
$categories = Mage::getModel('catalog/category')
 ->getCollection()
 ->addAttributeToSelect('*')
 ->addAttributeToFilter('parent_id', $parentId)
 ->addAttributeToFilter('is_active', 1)
 ->addAttributeToSort('position')
 ->setCurPage(1)->setPageSize(6);//limit to 6 categories

To get the root categories use $parentId = Mage::app()->getStore()->getRootCategoryId().

For the sub categories use $parentId = 'the category id for which you are trying to retrieve the child categories.'