Error add_action( 'rwmb_*****_before_save_post' does not work

This topic has 3 replies, 3 voices, and was last updated 1 year, 2 months ago by Peter.

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January 13, 2023 at 1:37 PM #40220
justdoit123
Participant
I follow this article https://docs.metabox.io/actions/rwmb-before-save-post/

and add this code with my group custom field ID, but i cannot set value for custom field text "add_new_contact"

I tried with another field but cannot set value too

please check and fix
```
add_action( 'rwmb_m_contact_before_save_post', function() {
    $_POST['add_new_contact'] = 0;
   $_POST['test_field'] = 'test';
} );
```
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January 14, 2023 at 11:00 AM #40232

Peter
Moderator

Hello,

Thanks for your feedback.

I also do not see it works on my demo site, please try to use the hook rwmb_after_save_post and the WordPress function update_post_meta() to set/update a field value.

Please read more on the documentation https://docs.metabox.io/actions/rwmb-after-save-post/

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January 30, 2023 at 7:50 PM #40350
Luca
Participant
Hi,
this didn't work for me either.

After digging deeper into the problem, I noticed that the saved values are retrieved from the RWMB_Request object and that this is not updated after calling the 'before_save_post' action.

I have explicitly called the update of the Post values of the object calling the method set_post_data()

You could try and change your code as follows:
```
add_action( 'rwmb_m_contact_before_save_post', function() {
   $_POST['add_new_contact'] = 0;
   $_POST['test_field'] = 'test';

   if ( function_exists( 'rwmb_request' ) ) {
      rwmb_request()->set_post_data( $_POST );
   }
} );
```
@justdoit123
Please, let me know if this corrects the problem on your side.

@Peter
Please, update the documentation or fix the problem, thanks.

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January 30, 2023 at 8:57 PM #40351

Peter
Moderator

@Luca: thanks for your feedback. I've informed the development team to check the issue and update the documentation then.

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