Can a default WP post table field be added to a metabox tab, ie. post_author?

This topic has 3 replies, 2 voices, and was last updated 2 years, 8 months ago by Ms Georgina Holmes.

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December 13, 2019 at 6:16 AM #17509
Resolved Ms Georgina Holmes
Participant
Hi - Im trying to find out if its possible to add a wordpress field like post_author to a metabox tab section in the admin edit interface.

I have tried:
```
'fields'    = [ [ 'name' = 'Owner ID',
                    'id'   = 'post_author',
                    'type' = 'number',
                    'tab'  = 'details', ]]
```
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December 16, 2019 at 5:08 PM #17542

Anh Tran
Keymaster

Hi,

This is not possible by default. But you can follow this tutorial to do that.

December 19, 2019 at 10:48 AM #17579

Ms Georgina Holmes
Participant

Thanks Anh,

Can you elaborate a little on the tutorial?

How is the id 'content' linked to the post_content:

'id' => 'content',

to link to it post_author I should add:
'id' => 'author',

December 19, 2019 at 12:06 PM #17581

Ms Georgina Holmes
Participant

Thought it might help if I showed you what I'm trying, which doesn't seem to be working.

add_filter( 'rwmb_meta_boxes', function( $meta_boxes ) {

global $wpdb;

// Get the current post content and set as the default value for the wysiwyg field.
$default_post_author = '';
$post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT );
if( !$post_id ) {
$post_id = filter_input( INPUT_POST, 'post_ID', FILTER_SANITIZE_NUMBER_INT );
}
if( $post_id ) {
$default_post_author = get_post_field( 'post_author', $post_id );
}

$meta_boxes[] = [ 'title' => 'Enrolment Details',
'post_types' => 'enrolment',
'storage_type' => 'custom_table', // Important
'table' => "{$wpdb->prefix}enrolment_metadata", // Your custom table name
'tabs' => [ 'details' => 'Enrolment Details',
'surveys' => 'Surveys' ],

'tab_style' => 'box',
'fields' => [ [ 'name' => 'User ID',
'id' => 'author', // This is the must!
'type' => 'number',
'std' => $default_post_author,
'tab' => 'details' ], ]
];
return $meta_boxes;
});

// Do not save to post meta.
add_filter( 'rwmb_author_value', '__return_empty_string' );
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