Re: PEARtree
| From: | Ulf Wendel | Date: | Thu, 10 May 2001 17:02:48 +0000 |
| Subject: | Re: PEARtree | ||
| References: | 1 | Groups: | php.pear.dev |
| Request: | Send a blank email to pear-dev+get-367@lists.php.net to get a copy of this message | ||
Jens Wolk schrieb:
> More generally spoken, the business sectors are nodes of a tree and
> the addresses (or any other information objects with properties) the
> leaves.
>
> This is why I consider implementing a library for maintaining such
> hierarchical information trees. It shall be PEAR compliant (not only
> because it then might qualify for a really nice name: PEARtree :)
>
> The idea is this: 3 main classes: Tree, Tree_node and Tree_leaf - each
> extending DB_storage. Tree will take care of all
> modifying/adding/deleting of Tree_node and Tree_leaf objects which
> belong to this particular tree.
tree + DB => http://www.koehntopp.de/kris/artikel/sql-self-references/
Ask Kristian for the implementation, it's somewhere on the server.
tree + PHP => Hash => Array
Check also http://www.ulf-wendel.de/projekte/menu/tutorial.php.
Sorry, all in german.
UIf
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