$VAR1 = {
          'insect' => [
                        'ant',
                        'spider'
                      ],
          'animal' => 'monkey',
          'fish' => 'tuna'
        };

##</code><code>##

$VAR1 = {
          'insect' => [
                        'ant',
                        'spider'
                      ],
          'animal' => ['monkey'],
          'fish' => ['tuna']
        };