Image fields not carried over when duplicating a post

This topic has 6 replies, 2 voices, and was last updated 2 years, 4 months ago by Sam Underwood.

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July 14, 2022 at 10:34 PM #37013
Sam Underwood
Participant
These lines duplicate ALL Metabox fields. But, for some reason, the images are missing:
```
		// duplicate MetaBox fields
		$all_fields = rwmb_get_object_fields( $post_id );
        foreach ($all_fields as $field_id => $field_value) {
        	$group_value = rwmb_meta( $field_id, $args = '', $post_id);
        	rwmb_set_meta($new_post_id, $field_id, $group_value);
        }
```
The field type that is not duplicating is - https://docs.metabox.io/fields/image-upload/

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July 15, 2022 at 7:45 PM #37028

Long Nguyen
Moderator

Hi Sam,

Can you please share some screenshots of the issue? And the code that creates the custom fields on your site. I will check it on my end.

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July 20, 2022 at 6:03 PM #37080
Sam Underwood
Participant
Unsure what you'd like screenshots of, I can share with you a video of the issue from the frontend if that would help?

The custom field code related to the images field:
```
[
                'id'               => 'card_images',
                'name'             => 'Enter the Images',
                'type'             => 'image_upload',
                'force_delete'     => false,
                'max_file_uploads' => 50,
                'max_status'       => false,
                'image_size'       => 'medium',
                'hidden' => [ 'card_type', '!=', 'images' ] 
],
```
The full code - https://pastebin.com/JPd3m7V9

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July 20, 2022 at 9:58 PM #37084

Long Nguyen
Moderator

Hi Sam,

Thanks for more information.

I think the helper function rwmb_set_meta() does not work in this case because the field image_upload save meta values (field value) to the database in multiple rows with the same meta key (field ID). Read more here https://docs.metabox.io/fields/image-upload/#data

So you can try to use the WordPress function add_post_meta() with the last parameter set to false to update this field value for a post. I will inform the development team to support this case in the next update.
https://developer.wordpress.org/reference/functions/add_post_meta/

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July 24, 2022 at 12:04 AM #37154
Sam Underwood
Participant
```
// duplicate MetaBox images
        $images_value = rwmb_meta( 'card_images', $args = '', $post_id);
        foreach ( $images_value as $single_image ) {
            add_post_meta($new_post_id, 'card_images', $single_image, false);
            //rwmb_set_meta($new_post_id, 'card_images', $single_image);
        }
```
add_post_meta doesn't seem to work. Maybe I'm doing something wrong?
rwmb_set_meta kinda works, but it ends up only saving the last image.

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July 25, 2022 at 12:33 PM #37176
Long Nguyen
Moderator
Hi,

Here is the code that works on my local site
```
add_action( 'init', function() {
    ...
}, 99 );
```
```
$images_upload = get_post_meta( $post_id, 'card_images' );
foreach ( $images_upload as $single_image ) {
    add_post_meta( $new_post_id, 'card_images', $single_image, false);
}
```
Use the action init with priority 99 (later than 20) to make sure the helper functions are loaded before. Or use the WP function get_post_meta() to get raw value (image IDs),

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July 26, 2022 at 6:13 AM #37194

Sam Underwood
Participant

It worked perfectly.
I didn't need to use init for my case though.
Thanks!

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