How could I create +/- hiearchy in PHP? I mean a tree structure of links ( eg., Web directory struture ) as we see for RSS/XML feed pages ( I'm not asking about RSS or XML ).

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Well, you *can* do this in PHP, but it would require a LOT of traffic between client and server. It's probably better to do this all in JavaScript, since clicking on a [+] or [-] won't result in a new request of the server.


Take care,

Nik
http://www.bigaction.org/

Yeah I'd do it with PHP, and AJAX on the client-side (Google "Javascript HttpRequest"). That'll keep your traffic low bandwidth, your overall application small and speedy, and you won't have to reload the page for every click of (+) or (-), since JavaScript HttpRequest can talk to the server and retrieve new data in the background.

Regards,
Rich

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