package Module::Name;

# require CGI, strict, constructor, all other code...

# A sub to return a [hash|hash reference] of CGI params.
sub get_params {
  my $self = shift;
  my %input;
  $input{$_} = $self->{$cgi_handle}->param($_)
      foreach $self->{$cgi_handle}->param());

  # The two possible ways of returning the hash.
  # Is there a preference (style or personal)
  # as to which one I should use?
  return %input;  # return hash
     # OR
  return \%input; # return hash reference
}

##</code><code>##

my $CGI = new Module::Name;
my %INPUT = $CGI->get_params();
print $INPUT{'node'};

##</code><code>##

my $CGI = new Module::Name;
my $INPUT = $CGI->get_params();
print $INPUT->{'node'};