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I need to check the value of a post status before is changed during a post update or even bulk update. And then depending on that value, adjust other values of the post

Example:

Lets say I have a custom post status

  • status-one
  • status-two
  • status-three

I have post "A" who's status is status-one. So when I update this post to another status, status-two, I need to check if my old status was status-one or not?

I know this sounds a bit confusing. Please do let me know if there is any way I can clarify it.

  • So you need to update the post if its status is status-one otherwise it will not be updated, right ? – CodeMascot Jan 2 '17 at 9:46
  • @the_dramatist , I need the to run a function if post status has been switched form status-one to status-two. However, if the post status has been changed from status-three to status-one, I don't need to run that function – bagpipper Jan 2 '17 at 10:06
  • I'm not clear, so you just need to know the previous status only ? – CodeMascot Jan 2 '17 at 10:09
  • @the_dramatist Yes – bagpipper Jan 2 '17 at 10:37
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There is a hook called transition_post_status which runs at every transition. You have both the old and new status available inside the hook.

  • Thank you @cjbj. This is exactly what I was looking for :) – bagpipper Jan 2 '17 at 11:19

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