Extended Category Level in Magento - magento

Question

How to Extend Category Level in Magento Frontend Site:
Insert this code* under the First Level of the category. In my case, the site's category navbar is located on header.phtml
*The code starts at: Level 2nd Start
*improving this code is highly appreciated.
(mikequibin/app/design/frontend/mikequibin/default/template/page/html/header.phtml)
<div class="header-category-menu" style="background: none;">
<?php $_helper = Mage::helper('catalog/category') ?>
<?php $_categories = $_helper->getStoreCategories() ?>
<?php $currentCategory = Mage::getSingleton('catalog/layer')->getCurrentCategory()->getId(); ?>
<?php if (count($_categories) > 0): ?>
<div class="menu-bg">
<ul class="menu clearfix">
<?php foreach($_categories as $_category): ?>
<?php $class = 'link'; ?>
<?php if($_category->getEntityId() == 13 || $_category->getEntityId() == 36): ?>
<?php $class = 'link sale'; ?>
<?php endif; ?>
<?php $class .= $currentCategory==$_category->getEntityId() ? ' active' : NULL; ?>
<li class="<?php echo $class; ?> menu-nav" data-id="<?php echo $_category->getId(); ?>">
<?php if($_category->getId() != 36) : ?>
<i class="icon-caret-down"></i>
<?php endif; ?>
<a href="<?php echo $_helper->getCategoryUrl($_category) ?>">
<span><?php echo $_category->getName() ?></span>
</a>
<!-- First Level Start --!>
<?php
$subCategories = Mage::getModel('catalog/category')->load($_category->getId());
$subCategories = $subCategories->getChildrenCategories();
?>
<?php if(count($subCategories) != 0): ?>
<ul class="submenu">
<?php foreach($subCategories as $i => $subCategory): ?>
<li>
<a href="<?php echo $_helper->getCategoryUrl($subCategory); ?>">
<i class="icon-chevron-right"></i><?php echo $subCategory->getName(); ?>
<!-- Second Level Start --!>
<?php if($_category->getIsActive()): ?>
<?php
$subCategories2 = Mage::getModel('catalog/category')->load($subCategory->getId());
$subCategories2 = $subCategories2->getChildrenCategories();
?>
<?php if(count($subCategories2) != 0): ?>
<?php foreach($subCategories2 as $k => $subCategory2): ?>
<li style="padding-left:20px;">
<a href="<?php echo $_helper->getCategoryUrl($subCategory2); ?>">
<?php echo $subCategory2->getName(); ?>
<!-- Third Level Start --!>
<?php if($_category->getIsActive()): ?>
<?php
$subCategories3 = Mage::getModel('catalog/category')->load($subCategory2->getId());
$subCategories3 = $subCategories3->getChildrenCategories();
?>
<?php if(count($subCategories3) != 0): ?>
<?php foreach($subCategories3 as $l => $subCategory3): ?>
<li style="padding-left:30px;">
<a href="<?php echo $_helper->getCategoryUrl($subCategory3); ?>">
<?php echo $subCategory3->getName(); ?>
</a>
</li>
<?php endforeach; ?>
<?php endif; ?>
<?php endif; ?>
<!-- Third Level End --!>
</a>
</li>
<?php endforeach; ?>
<?php endif; ?>
<?php endif; ?>
<!-- Second Level End --!>
</a>
</li>
<?php endforeach; ?>
</ul>
<?php endif; ?>
<!-- First Level End --!>
</li>
<?php endforeach; ?>
</ul>
</div>
<?php endif; ?>
</div>

Answer 1

$_helper = Mage::helper('catalog/category');
$_categories = $_helper->getStoreCategories();
$html = '';
if (count($_categories) > 0) {
$html .= '<ul>';
foreach($_categories as $_category) {
$html .= '<li>';
$html .= ''.$_category->getName().'';
$html .= getRecursiveHtml($_category);
$html .= '</li>';
}
$html .= '</ul>';
}
function getRecursiveHtml($_category,$html='') {
$_category = Mage::getModel('catalog/category')->load($_category->getId());
$child = $_category->getChildrenCategories();
if (count($child) > 0) {
$html .= '<ul>';
foreach($child as $_child) {
$html .= '<li>';
$html .= ''.$_child->getName().'';
$html = getRecursiveHtml($_child,$html);
$html .= '</li>';
}
$html .= '</ul>';
}
return $html;
}
echo $html;