Overview of the Issue
For some ACF field types it is not possible to properly duplicate content.
Workaround
This issue is fixed. Updating to the latest version solves it on your site, so you only need this workaround if you can’t update yet.
If you are using any of the fields listed in this post’s Full description section, you should add this snippet to your theme’s functions.php file in order for duplication to work properly.
function wpml_fix_acf_duplication( $value_to_filter, $target_language, $meta_data ) {
// Field names should be placed into following array.
$fields = array(
'test_taxonomy' => 'some_taxonomy_name',
'test_image' => 'attachment',
'test_file' => 'attachment',
'test_gallery' => 'attachment',
'test_post_object' => 'post',
'test_page_link' => 'page'
);
if ( array_key_exists( $meta_data['key'], $fields ) ) {
$value = maybe_unserialize( $value_to_filter );
if ( is_array( $value ) ) {
// If custom field value contain array of IDs to translate, usually used for gallery and taxonomy field types.
$translated_ids = array();
foreach ( $value as $v ) {
$translated_ids[] = apply_filters( 'wpml_object_id', $v, $fields[ $meta_data['key'] ], true, $target_language );
}
return maybe_serialize( $translated_ids );
} else {
// If custom field value contain single ID to translate, usually used for image and file field types.
$translated_id = apply_filters( 'wpml_object_id', $value, $fields[ $meta_data['key'] ], true, $target_language );
return $translated_id;
}
}
return $value_to_filter;
}
add_filter( 'wpml_duplicate_generic_string', 'wpml_fix_acf_duplication', 999, 3 );NOTE: You should replace array key => value pairs with proper values.
Replace keys such as: ‘test_taxonomy’, ’test_image’, ’test_file’, etc. with your site’s field names, as shown in the following image example.
Replace values such as: ‘some_taxonomy_name’, ‘attachment’, post, page etc. accordingly.
This is the type of element the ID belongs to. Can be post, page, attachment, {custom post type key}, nav_menu, nav_menu_item, category, post_tag, {custom taxonomy key}
For more please check out our hook documentation here.
Still Seeing This Issue?
If updating doesn’t fix it, ask a support question and we’ll look into it with you.
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