Simple Nested Sets in Doctrine 2

Nov 16, 2011 • 4 minute read

Unlike Doctrine 1 with it’s NestedSet behaviour, there is no nested set functionality in the core of Doctrine 2. There are a few extensions available that offer nested set support:

I tried all of these extensions, but none of them felt simple or lightweight enough for my application. What I wanted to do was have a Category entity which could have a tree of sub-categories, e.g:

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