Displaying all categories and sub-categories in category box in osCommerce

osCommerce by default displayes only top level categories in category box. To display all categories and sub-categories hierarchy in category box follow these instructions.

Steps:

1. index.php – change on around line 37:

   if ($category_depth == 'nested') {
   

   To:

   if ($category_depth == 'nested' && isset($HTTP_GET_VARS['cPath'])) {
   

2. includes/application_top.php – change around line 437:

   $cPath = '';
   

   To:

    $cPath = '0';
   

3. includes/modules/boxes/bm_categories.php – find around line 99:

    $parent_id = $categories['categories_id'];
   

   Add:

    $dbs[] = $categories['categories_id'];
   

4. includes/modules/boxes/bm_categories.php – change at around line 109:

    while (list($key, $value) = each($cPath_array)) {
   

   To:

    while (list($key, $value) = each($dbs)) {