check to see if it is empty (whatever that means :D) 
$correction = $data_pair->{value}
    if exists $data_pair->{value} and    # could be undef
      defined $data_pair->{value} and    # at least ""
      length $data_pair->{value}  and    # has length
      $data_pair->{value}         and    #  has true value
      $data_pair->{key} eq 'correct';

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In reply to Re^7: Array to hash converstion by Anonymous Monk
in thread Array to hash converstion by gem555

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