----- Original Message ----- From: "olinux" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: 29 October 2001 08:16 Subject: [PHP-DB] category structure
> anyone have any ideas on this > > I have a table of directory categories > id | parentid | category > > so... > 1 | 0 | blah1 top > 2 | 1 | blah2 sub > 3 | 1 | blah3 sub2 > 4 | 3 | blah4 sub2->sub > > I want to hit the DB only once so i select all and > drop into array > > Now i've created array with these like so: > $category[$parentid][$id] > > But now what? > > trouble is that > $msub[2][4] is a sub category of $msub[1][2] > so i can't just run thru and print the array - need to > manipulate a little. > > Any ideas? [or even a beeter way to do this?] Olinux, What you are asking is a fairly common requirement, with well-known solutions. In what format do you require the output printed? Do you know what a "tree" data structure is, and how to 'walk the tree'? =dn -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
