array(8) {
  ["pdf_mode1"]=>
  string(2) "no"
  ["pdf_mode2"]=>
  string(2) "no"
  ["pdf_mode3"]=>
  string(2) "no"
  ["pdf_mode4"]=>
  string(3) "yes"
  ["office_mode1"]=>
  string(2) "no"
  ["office_mode2"]=>
  string(3) "yes"
  ["theme"]=>
  string(4) "dark"
  ["timeout"]=>
  string(2) "30"
}