Deleting duplicate information in arrays?

[bink]

Hello...

This might be (I hope it is...) a very simple question!

What I have is two arrays each holding a set of ID numbers. What I want to do is if an ID number is in both arrays I want to remove that ID number from both arrays. So what I will end up with is an array that contains only the elements that were unique.

Hope that makes sense!

Thanks in advance!
Kevin

[jtacon]

Try with this method:

$a1=array("1","2","3");
$a2=array("4","2","5");

for($x=0;$x<count($a2);$x++) {
  if(!in_array($a2[$x],$a1)) $uniqueArray[]=$a2[$x];
}
$uniqueArray=array_merge($a1,$uniqueArray);

[laserlight]

EDIT:

hmm... reading the question again I misinterpreted it, so my solution is redundantly complex.

[jtacon]

EDIT:

Nothing ..

I miss a button here to delete own posts :rolleyes: