array(4) {
  ["_edit_last"]=>
  array(1) {
    [0]=>
    string(1) "1"
  }
  ["_edit_lock"]=>
  array(1) {
    [0]=>
    string(12) "1738656236:1"
  }
  ["_rozetta_locale"]=>
  array(1) {
    [0]=>
    string(5) "zh-TW"
  }
  ["_rozetta_original_post_id"]=>
  array(1) {
    [0]=>
    string(2) "64"
  }
}

親言語 post_id：64

ja - 日本語

https://demo.jasic.work/?page_id=64
post_parent: 0
post_id: 64
Permalink: https://demo.jasic.work/%e3%82%b5%e3%83%b3%e3%83%97%e3%83%ab%e3%83%9a%e3%83%bc%e3%82%b8/

en - 英語

https://demo.jasic.work/?page_id=66
post_parent: 0
post_id: 66
Permalink: https://demo.jasic.work/sample-page/?lang=en

ko - 韓国語

https://demo.jasic.work/?page_id=72
post_parent: 0
post_id: 72
Permalink: https://demo.jasic.work/%ec%98%88-%ed%8e%98%ec%9d%b4%ec%a7%80/?lang=ko

zh-CN - 中国語（簡体）

https://demo.jasic.work/?page_id=68
post_parent: 0
post_id: 68
Permalink: https://demo.jasic.work/%e7%a4%ba%e4%be%8b%e9%a1%b5/?lang=zh-CN

zh-TW - 中国語（繁体）

https://demo.jasic.work/?page_id=70
post_parent: 0
post_id: 70
Permalink: https://demo.jasic.work/%e7%a4%ba%e4%be%8b%e9%a0%81/?lang=zh-TW