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I'm using WP import/export function. In exported XML file term_id is 4, but it becomes random number after import which is breaking my widgets structure. Is there any way to force or keep old term_id when importing to new website?

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  • Are you importing into a site that already has content?
    – Milo
    Commented May 24, 2017 at 23:26
  • No, it's fresh installation
    – raaaa
    Commented May 25, 2017 at 8:49

1 Answer 1

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+50

Off the top of my head, you'd have to either:

(a) bypass the import functionality in WP and do it direct to the database, so the term IDs stay the same (i.e. export/import from phpMySQL).

or

(b) write a "run once" data migration function to update your term IDs once they're imported, using a reference table.

or

(c) change your plugin/widget to detect the term slug or name instead of the ID.

I believe the last of those would be "best practice", as it ensures your plugin works regardless of the data in the back end. Using the visible/accessible parts of the data is always better, even if it's harder, longer and/or stupidly difficult with WP's available functions!

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  • The reason this happens in my case is because a term with ID=9 exists for a custom post type but when i install my theme , woocommerce adds some term entries with an ID=9 and later when i import the demo data this ID is no longer for my custom post type and gets added with another ID. I think your (c) option is the best to follow.
    – stergosz
    Commented Jul 16, 2017 at 10:10
  • Did a quick search. You'll need to find your widget check for ID=9 and use get_term_by to get the ID first: codex.wordpress.org/Function_Reference/get_term_by
    – Spike
    Commented Jul 16, 2017 at 10:49

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