<https://develop.wp-a2z.org/oik_api/wp_test_rest_search_controllertest_get_item_schema/#webpage>
<http://schema.org/dateModified>
"2019-11-27T09:19:08+00:00"^^<http://schema.org/Date>
<http://develop.wp-a2z.org/oik_api/wp_test_rest_search_controllertest_get_item_schema/>