mr-legend_wiki/inc/Menu/Item/Admin.php

<?php

namespace dokuwiki\Menu\Item;

/**
 * Class Admin
 *
 * Opens the Admin screen. Only shown to managers or above
 */
class Admin extends AbstractItem
{
    /** @inheritdoc */
    public function __construct()
    {
        parent::__construct();

        $this->svg = DOKU_INC . 'lib/images/menu/settings.svg';
    }

    /** @inheritdoc */
    public function visibleInContext($ctx)
    {
        global $INFO;
        if (!$INFO['ismanager']) return false;

        return parent::visibleInContext($ctx);
    }
}