php - Mageto - Filter Category Navigation in tree like state -

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i created code filter product collection categories. making own left side block using following code.

i have work perfect filtering, having hard time rendering display.

the level 2 categories work fine , show

  1. top level category 1
  2. top level category 2

once selected shows sub categories , sub categories..

  • sub category of 1
  • sub sub category of ^^^
  • sub sub category of ^^^
  • sub sub category of ^^^
  • sub sub sub category of ^^^
  • sub category of 1
  • sub sub category of ^^^
  • sub sub category of ^^^
  • sub sub category of ^^^
  • sub sub sub category of ^^^

i need break down first level did. best method?

            <?php             $root_category_id = mage::app()->getstore()->getrootcategoryid();             $filtercategoryid = mage::app()->getrequest()->getparam('cat');              $products = mage::getsingleton('catalogsearch/advanced')->getproductcollection();             $catids = array();             if (isset($products)) foreach ($products $product) {                 if ($product->issaleable()) {                     $ids = $product->getcategoryids();                     foreach ($ids $id) $catids[$id] = 1;                 }             }             if (!isset($catids)) return false;              $categories = array();             // filters rest of categories              if ($filtercategoryid) {                 $filtercategory = mage::getmodel('catalog/category')->load($filtercategoryid);                 $filterchildren = $filtercategory->getallchildren(true);                  foreach ($catids $id => $x) {                     $category = mage::getmodel('catalog/category')->load($id);                     if (in_array($root_category_id, $category->getparentids()) && in_array($id, $filterchildren) && $id != $filtercategoryid) {                         $categories[$id] = $category->getname();                     } else {                         unset($catids[$id]);                     }                 }              } else {              // filters first level categoires                 foreach ($catids $id => $x) {                     $category = mage::getmodel('catalog/category')->load($id);                     if (in_array($root_category_id, $category->getparentids()) && $category->getlevel() == 2) {                         $categories[$id] = $category->getname();                     } else {                         unset($catids[$id]);                     }                 }             }      if(isset($categories) && sizeof($categories) > 0):         $url = mage::app()->getrequest()->getrequesturi();         $url = mage::helper("core/url")->removerequestparam($url, 'cat');         ?>         <div class="page-subtitle" style="margin:6px auto 14px 6px;"><h2>shop category</h2></div>         <ul class="brandsnav">             <?php foreach($categories $id=>$name): ?>                 <li class="cf">                 <span class="subnav_trigger"></span>                     <a href="<?php      echo mage::helper("core/url")->addrequestparam($url, array("cat"=>$id)); ?>"><?php echo $name;?></a>                 </li>             <?php endforeach; ?>         </ul>     <?php endif; ?>

i had add conditions foreach statements. got working.


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