public function extra_horizontal_navigation() {
        // Horizontal navigation for question bank.
        if ($questionnode = $this->page->settingsnav->find("questionbank", \navigation_node::TYPE_CONTAINER)) {
            if ($children = $questionnode->children) {
                $tabs = [];
                foreach ($children as $key => $node) {
                    $tabs[] = new \tabobject($node->key, $node->action, $node->text);
                }
                $active = $questionnode->find_active_node()->key;
                return \html_writer::div(print_tabs([$tabs], $active, null, null, true), 'questionbank-navigation');
            }
        }
        return '';
    }
public function extra_horizontal_navigation() {
        // Horizontal navigation for question bank.
        if ($questionnode = $this->page->settingsnav->find("questionbank", \navigation_node::TYPE_CONTAINER)) {
            if ($children = $questionnode->children) {
                $tabs = [];
                foreach ($children as $key => $node) {
                    $tabs[] = new \tabobject($node->key, $node->action, $node->text);
                }
                $active = $questionnode->find_active_node()->key;
                return \html_writer::div(print_tabs([$tabs], $active, null, null, true), 'questionbank-navigation');
            }
        }
        return '';
    }
public function extra_horizontal_navigation ( ) { // Horizontal navigation for question bank. if ( $ questionnode = $ this -> page -> settingsnav -> find ( "questionbank" , \ navigation_node :: TYPE_CONTAINER ) ) { if ( $ children = $ questionnode -> children ) { $ tabs = [ ] ; foreach ( $ children as $ key => $ node ) { $ tabs [ ] = new \ tabobject ( $ node -> key , $ node -> action , $ node -> text ) ; } $ active = $ questionnode -> find_active_node ( ) -> key ; return \ html_writer :: div ( print_tabs ( [ $ tabs ] , $ active , null , null , true ) , 'questionbank-navigation' ) ; } } return '' ; }
Display additional navigation if needed.

@return string
Display additional navigation if needed .