Multi-Dimensional Arrays

[rulian]

Okay, I think I can manage to make my tree from a multi-dimensional array

if I set up the array so that I can call a any arrays that meet these specifications, i think i can do this:

$cat_ids[]=array("1, 2, 3, 4");
$sub_ids[]=array("1, 2, 3, 4");

now I have to combine these arrays, so that I may be able to call them like so:

$array[2][3]=$arrayofresults;

can this be done through multi-dimensional arrays?

[Anon]

I too want to know how to do this like so:

Can any body tell me why this doesn't work?
I can't find any help on 2D arrays in PHP3 (i know, my server wont upgrade)

$count = 1;
while ($row = mysql_fetch_array($sql_result)) {
$query_array[$count, 1] = $row[c_id];
$query_array[$count, 2] = $row[c_name];
$count = $count +1;
}

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[rulian]

Okay, the problem I encounter is when I have to select arrays, for in my database, there would be numerous elements with catagories and subcatagories matching, ie.

$array[2][3] so I guess inside i would have to nest another set of arrays, or should I do something else