string(25) "2018-11-03T05:07:12+02:00"
string(25) "2018-11-03T02:01:30+02:00"
array(9) {
  [0]=>
  string(5) "title"
  [1]=>
  string(11) "datetime_ts"
  [2]=>
  string(11) "modified_ts"
  [3]=>
  string(10) "annotation"
  [4]=>
  string(6) "author"
  [5]=>
  string(4) "text"
  [6]=>
  string(5) "image"
  [7]=>
  string(8) "smmimage"
  [8]=>
  string(4) "tags"
}