HELP me modify this code snippet =)

[♥akmac]

I want the code below to include the previous 3 parent categories instead of just the current category. (HEADING_TITLE for this example= 'Items in ')

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<?php echo HEADING_TITLE . '\'' . $tree[$current_category_id]['name'] . '\''; ?>

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so that instead of reading like this:

 

Items in 'Rings'

 

it will read like this:

 

Items in 'Colored Stone Jewelry Emerald Rings'

 

The previous levels of navigation being 'Emerald' and 'Colored Stone Jewelry' and the current directory (with products in it) being 'Rings'.

 

I tried:

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<?php echo HEADING_TITLE . '\'' . $tree[$parent_category_id]['name'] . $tree[$parent_category_id]['name'] . $tree[$current_category_id]['name'] . '\''; ?>

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And that didn't work. Any whizzes out there with a moment to enlighten me?