array_sum() with multidimensional $_SESSION arrays

[vassili]

i have this array $cartSizes[$productid] where $productid is an array of 8 values (1-.  $cartSizes is  stored in a $_SESSION array like this

 

$_SESSION['cartSizes'] = $cartSizes;

 

an example of a $_SESSION['cartSizes'] array that has 2 $productid would be:

 

[cartSizes] => Array ( [8061ABL] => Array ( [1] => 0 [2] => 3 [3] => 4 [4] => 5 [5] => 0 [6] => 0 [7] => 0 [8] => 0 )[6105AAOAU] => Array ( [1] => 3 [2] => 0 [3] => 0 [4] => 0 [5] => 0 [6] => 0 [7] => 0 [8] => 0 ) )

 

i want to get the sum of $_SESSION['cartSizes'].  but this doesn't work...i keep getting "0".

 

sum_array($_SESSION['cartSizes'])

 

what's wrong?

 

[Psycho]

You can't store an array as a session value directly. Try serialize() and unserialize().