How to filter ACF post object by custom field

• viktorfonster

• September 17, 2019 at 4:14 am

I have a front end ACF form – acf_form(). With a post object field. I want to limit the queried results by a custom field. The code below works, except for when i try to type in the search bar – I just get lost of errors. Any idea whats wrong with my code? Help very appreciated!

function filter_customer_doc_query( $args, $field, $post_id ) {
  $user_id_doc = get_current_user_id();
  $business_id_doc = get_field('user_business_id', 'user_' . $user_id_doc);
  $args = array(
    'posts_per_page' => 10,
    'post_type'     => 'customer',
    'meta_key'      => 'customer_business_id',
    'meta_value'    => $business_id_doc,
  );
  return $args;
}
add_filter('acf/fields/post_object/query/name=doc_customer_object', 'filter_customer_doc_query', 10, 3);