public function get_selected_users() {
        // Do a lazy load.
        if (is_null($this->selected)) {
            $this->selected = $this->load_selected_users();
        }
        return $this->selected;
    }
public function get_selected_users() {
        // Do a lazy load.
        if (is_null($this->selected)) {
            $this->selected = $this->load_selected_users();
        }
        return $this->selected;
    }
public function get_selected_users ( ) { // Do a lazy load. if ( is_null ( $ this -> selected ) ) { $ this -> selected = $ this -> load_selected_users ( ) ; } return $ this -> selected ; }
The users that were selected.

This is a more sophisticated version of optional_param($this->name, array(), PARAM_INT) that validates the
returned list of ids against the rules for this user selector.

@return array of user objects.
The users that were selected .