7.0

The tree view with virtual subfolders.
The following shows the returned array:
Array (
[1] => Array (
[id] => 1
[name] => Brochures
...
[publicationTypes] => Array
(
[Black & White] => Array (
[name] => Black & White
[documents] => Array (
[1] => Array (
[id] => 1
[name] => Dutch
...
)
[2] => Array (
[id] => 2
[name] => English
...
)
)
)
[Full color] => Array (
[name] => Full color
[documents] => Array (
[1] => Array (
[id] => 1
[name] => Dutch
...
)
[2] => Array (
[id] => 2
[name] => English
...
)
)
)
)
)
)
Customizing the store front - Creating a hierarchical tree
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