It certainly is. For instance, the first element in your array is $array[0]; since this is a hash reference, you can deference it and turn it into a proper hash again by saying %{ $array[0] } (the whitespace isn't necessary; it just improves readability). And since that's just a hash, you can access its elements as usual, e.g. ${ $array[0] }{'somekey'}.

That last bit of syntax is clunky, of course, so Perl provides the -> postfix operator for dereferencing and element access as well; using that, you can also write $array[0]->{'somekey'}, which is much more readable and makes it more obvious what's going on.

Example:

#!/usr/bin/perl

use feature qw/say/;
use warnings;
use strict;

my @array = (
    {
        'Fred' => 'Flintstone',
        'Barney' => 'Rubble'
    }
);

say $array[0];
say %{ $array[0] };
say ${ $array[0] }{'Fred'};
say $array[0]->{'Fred'};

$array[0]->{'Betty'} = 'Rubble';

say $array[0]->{'Betty'};
[download]

Output:

$ perl test.pl
HASH(0x8002bc80)
BarneyRubbleFredFlintstone
Flintstone
Flintstone
Rubble
$
[download]

EDIT: removed superfluous use Data::Dumper; -- good catch, hexcoder. :)

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