$VAR1 = {
          '2.interests' => 1,
          '' => 2,
          '2.interests.0' => 1,
          '0.interests' => 1,
          '1.interests' => 2
        };
$VAR2 = [
          {
            'interests' => [
                           'programming',
                           'cycling'
                         ],
            'location' => 'uk',
            'name' => 'john'
          },
          {
            'interests' => [
                           'knitting',
                           'tennis',
                           'dancing'
                         ],
            'location' => '',
            'name' => 'laura'
          },
          {
            'interests' => [
                           [
                             'dogs',
                             'horses'
                           ],
                           'cars'
                         ],
            'location' => 'canada',
            'name' => undef
          }
        ];