How to access perl hash value (which is an array) from Template Toolkit? -

i have assigned hash in perl follows:

my %myvers; @patches = (); @mypatches = ();  foreach $myv ( @{$product->versions} ){  @patches = set_patches($myv->id);   #get array of patches version foreach(@patches) {     push @mypatches,@{$_};     } $myvers{$myv->name} = @mypatches; }  $vars->{'myvers'} = \%myvers; 

when access hash in html template code below:

[% foreach key in myvers.keys %] alert('[% key %] [% myvers.$key %]; '); [% end %]  

key contains keys , $key contains number of elements in array each key assigned above.

i cannot access values of elements of array. how can ?

the problem don't store elements, store size.

$myvers{ $myv->name } = @mypatches; 

assigning hash value forces scalar context, @mypatches returns size of array. need store reference array instead:

$myvers{ $myv->name } = [ @mypatches ]; 

it's more common declare array inside outer loop , use reference. in fact, can skip pushing elements 1 one, can push whole array: push @mypatches, @patches, then, don't need 2 arrays @ all:

my %myvers;  $myv (@{ $product->versions }) {     @patches = set_patches($myv->id);     $myvers{ $myv->name } = \@patches; }  $vars->{myvers} = \%myvers; 

or, if want laconic:

$myvers{ $_->name } = [ set_patches($_->id) ] @{ $product->versions };