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Asked: 2026-05-11T03:32:59+00:00

So the final menu will look something like this: Item B Item B-1 Item

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So the final menu will look something like this:

Item B     Item B-1         Item B-1-2         Item B-1-1 Item A     SubItem A-1     SubItem A-2 Item C

Based on the following DB records:

id        menu_title          parent_menu_id    menu_level    weight 1         Item A                0                           1                     1 2         Item B                0                           1                     0 3         Item C                0                           1                     2 4         SubItem A-2       1                           2                     1 5         Item B-1             2                           2                     0 6         Item B-1-1          5                           3                     1 7         SubItem A-1       1                           2                     0 8         Item B-1-2          5                           3                     0

How would I go about displaying? My guess is it’ll involve storing all the items into a multidimensional array, then looping through it somehow…

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1 Answer

  1. Dealing with the data structure as you have it will often involve recursion or multiple queries to build the tree.

    Have you considered other ways of storing a hierarchy? Check out modified pre-order traversal – here’s a nice PHP based article about this.

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