[RESOLVED] array help

zzz

I have two arrays.

$longArray = array("AL","AR","AZ","CA","CO","CT","DC","DE","FL","GA","HI","IA","IL","IN","KS","KY","LA","MA","MD","ME","MI","MN","MO","MS","MT","NC","ND","NE","NH","NJ","NM","NV","NY","OH","OK","OR","PA","RI","SC","TN","TX","UT","VA","VT","WI","WV");

$topStates = array("CA"=>"1495","TX"=>"1088","NY"=>"582","IL"=>"337","AZ"=>"130");

I need to build a list via loop from array $serStateAct minus 3 key values from $topMemStates with the highest values.

I was thinking I could use array_diff but I'm not sure how to use only the first 3 values from $topStates...

$newArray = array_diff($longArray, $topStates);

kinda stuck.

laserlight

zzz wrote:
I need to build a list via loop from array $serStateAct minus 3 key values from $topMemStates with the highest values.

I think you renamed $serStateAct to $longArray and $topStates to $topMemStates, correct? The original names are more descriptive.

I am afraid that I find that sentence rather confusing even if the names are clarified. It would be good if you rephrased it.

zzz

Yep, I live up to my own signature. I make simple things complicated...

Anyway. I have 2 arrays. The keys in $topStates correspond $longArray, however I need to use only 3 with the top values from $topStates. It'll give me

"CA"=>"1495","TX"=>"1088","NY"=>"582"

Now, I need to subtract "CA","TX","NY" from $longArray and build a loop from the remainder of the $longArray ($longArray minus "CA","TX","NY").

I hope this somehow makes it clearer?.. Is it?

laserlight

Ah yes. I would suggest this:

arsort($topStates);
$top3 = array_slice($topStates, 0, 3, true);
$longArray = array_diff($longArray, array_keys($top3));

Now you can loop over $longArray as usual, e.g., with a foreach loop.

zzz

Wow. Elegant. Works great!