- overwrite_cardnumber => $input->param('overwrite_cardnumber'),
- preserve_extended_attributes => $input->param('ext_preserve') || 0,
+ overwrite_cardnumber => scalar $input->param( 'overwrite_cardnumber' ),
+ overwrite_passwords => $overwrite_passwords,
+ preserve_extended_attributes => scalar $input->param( 'ext_preserve' ) || 0,
+ preserve_fields => \@preserve_fields,