Global symbol "@returnArray" requires explicit package name at ./test.pl line 16.
Execution of ./test.pl aborted due to compilation errors.

##</code><code>##

#!/usr/bin/perl -w
use strict;
use Data::Dumper;

my %hash = {
   'node_id'      => '1',
   'node_title'   => 'whiskey',
   'node_author'  => 'otis',
   'node_content' => 'the path to wisdom is littered with empty bottles',
};

my $returnArray;

push @{$returnArray}, \%hash;

print Dumper(${$returnArray}[0]{node_content});