Hello everyone,
I've been tearing my hair out trying to write a function in PHP that
will accomplish the following:
Given a multidimensional array with words as keys, I want to match
the values of each array with the keys of the array and build a new
array that reflects these relationships as a sort of tree. So, in
the list below, "fruit", "apples", "oranges", "red" are the keys and
in the "fruit" array are the values "apples" and "oranges", so I want
the function to create a new array that looks like:
ORIGINAL ARRAY:
$array['fruits'] = array("apples","oranges","pears");
$array['apples'] = array("red","granny smith");
$array['oranges'] = array('mandarin');
$array['red'] = array("big red","small red");
NEW ARRAY:
$array['fruits'] = array(apples,oranges,pears);
$array['fruits']['apples'] = array("red","granny smith");
$array['fruits']['oranges'] = array('mandarin');
And then I want it further to figure out that "red", now in the array
found at: $array['fruits']['apples'] matches a key in the original
array so the final result looks like:
FINAL ARRAY:
$array['fruits'] = array(apples,oranges,pears);
$array['fruits']['oranges'] = array('mandarin');
$array['fruits']['apples'] = array("red","granny smith");
$array['fruits']['apples']['red'] = array("big red","small red");
So, you see how it builds a little tree, right?
AND, I'd like this function to be able to handle any number (probably
less that 30, but whatever) of initial array elements in an
unpredictable order and the final tree could have up to five or six
levels. You know?
Is this impossible, or am I just going about the end result wrong??
It seemed like such a simple thing three days ago, but now I am about
to cry uncle.
Anyway, please write if you have any thoughts.
Best,
Sondra Russell
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