[PHP] Reverse (or backward?) Infinity Loop

[Bruno B B Magalhães]

Hi guys,
I have a normal categories table:
catId
catParentId
catName
catStatus
But I want when a user enters on:
http://hostname/site/products/catId1/catId7/catId13/../../contentId.html
A listing should apear like that:
• Category 1
     • Category 7
          • Category 13
• Category 2
• Category 3
• Category 4
• Category 5
A reverse (or backward) loop! We need to get the last category and then 
follow the ParentId until the 0 ParentId. Have anybody made this before 
(I hope so)?

Many Thanks,
Bruno B B Magalhaes
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