Change modified date when relationship change

This support ticket is created 4 years, 9 months ago. There's a good chance that you are reading advice that it now obsolete.

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Tagged: Post-relationship

This topic contains 1 reply, has 2 voices.

Last updated by Nigel 4 years, 9 months ago.

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January 14, 2021 at 10:10 am #1905025

avansisI-2

Hello!

I have a custom type with multiple relationships.
I would need the modified date of the custom type to be updated when the related custom types are updated.

how i can do this?
thanks

January 14, 2021 at 2:36 pm #1905441

Nigel

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You would need to use custom code to achieve this.

You can use the WordPress save_post hook (or, probably better, the more specific hook for your particular post type: https://developer.wordpress.org/reference/hooks/save_post_post-post_type/) to initiate the code whenever a post is updated.

Then use the toolset_get_related_posts API function to get an array of posts that are connected to the post that has been updated.

https://toolset.com/documentation/customizing-sites-using-php/post-relationships-api/#toolset_get_related_posts

Then for each of these posts use wp_update_post to update the post so that the modified date is changed.

https://developer.wordpress.org/reference/functions/wp_update_post/

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