For Select or Multiselect dropdown use the below code to query only parents.
function hide_child_taxonomies( $args, $field ) {
if( 'YOUR_FIELD_NAME' === $field['_name'] ) {
$args['parent'] = 0;
}
return $args;
}
add_filter('acf/fields/taxonomy/query', 'hide_child_taxonomies', 10, 3);
For Select or Multiselect dropdown use the below code to query only parents.
function hide_child_taxonomies( $args, $field ) {
if( 'YOUR_FIELD_NAME' === $field['_name'] ) {
$args['parent'] = 0;
}
return $args;
}
add_filter('acf/fields/taxonomy/query', 'hide_child_taxonomies', 10, 3);