Reply To: update_field on a relationship field

• John Huebner

• October 7, 2020 at 10:43 pm

To update an existing relationship field to add a value you first need to get the existing value without formatting and then add the new post ID to it.

// get current value
$value = get_field('relationship_field', $post_id, false);
// add new id to the array
$value[] = $inserted_post_id
// update the field
update_field('relationship_field', $value, $post_id);

To delete existing values in the current post

delete_field('some_field', $post_id);