Magento Freelancer

Creating category tree programmatically in magento
devm.com.np

<?php
function addCategories($categoryName)
{
    $categoryNames = array($categoryName);
    return traverseCategoryTree($categoryNames, $parentCategoryId);
}

function traverseCategoryTree($categoryNames,$parentId)
{    
    $name = array_shift($categoryNames);
    
    if(is_null($name))
        return $parentId;

    $parentCategory = Mage::getModel('catalog/category')->load($parentId);

    $category = Mage::getModel('catalog/category')->getCollection(); 
    $category->addFieldToFilter('level',$parentCategory->getLevel()+1);
            ->addAttributeToFilter('name',$name);
    $category = $category->getFirstItem();
        
    if(!$category->getId())
    {            
        $category->setName($name);
        $category->setStoreId($this->_storeId);
        $category->setIsActive(1);
        $category->setIsAnchor(1);            
        
        $category->setPath($parentCategory->getPath());              
        $category->save();
    }    
    
    return traverseCategoryTree($categoryNames,$category->getId());        
}
?>