Can you use array_unique on a multidimensional array?

Or not?

[HughMungus]

I have an array that consists of other arrays where the first value in all the arrays is the same (say, the first value in each array is "widgets"). Every time I try to do array_unique on it, it returns only one value (widgets something something) instead of the many it should be returning. I think what's happening is that array_unique is looking at only the first value of each array so I get only one result (since all the arrays have "widgets" as its first value).

I've been doing some research and it looks like others have had the same problem.

Given a multidimensional array, is there a way to do an array_unique type function? An example with a foreach or while loop would be great. TIA.

[coopster]

I'm not sure I quite understand what you are looking for yet so you may have to give some example arrays for clarification. This is one way to get duplicate values cleaned up...

$input = array( 
"veggies1" => array( 
 0 => "parsnips", 
 1 => "carrots", 
 2 => "tomatoes"), 
"veggies2" => array( 
 3 => "potatoes", 
 4 => "potatoes", // gets rid of this one! 
 5 => "peas", 
 6 => "carrots") 
); 
foreach ($array as $key => $value) $array[$key] = array_unique($value);