PMA\libraries\Menu::_getAllowedTabs PHP Method

    private function _getAllowedTabs($level)
    {
        $cache_key = 'menu-levels-' . $level;
        if (Util::cacheExists($cache_key)) {
            return Util::cacheGet($cache_key);
        }
        $allowedTabs = Util::getMenuTabList($level);
        $cfgRelation = PMA_getRelationsParam();
        if ($cfgRelation['menuswork']) {
            $groupTable = Util::backquote($cfgRelation['db']) . "." . Util::backquote($cfgRelation['usergroups']);
            $userTable = Util::backquote($cfgRelation['db']) . "." . Util::backquote($cfgRelation['users']);
            $sql_query = "SELECT `tab` FROM " . $groupTable . " WHERE `allowed` = 'N'" . " AND `tab` LIKE '" . $level . "%'" . " AND `usergroup` = (SELECT usergroup FROM " . $userTable . " WHERE `username` = '" . $GLOBALS['dbi']->escapeString($GLOBALS['cfg']['Server']['user']) . "')";
            $result = PMA_queryAsControlUser($sql_query, false);
            if ($result) {
                while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
                    $tabName = mb_substr($row['tab'], mb_strpos($row['tab'], '_') + 1);
                    unset($allowedTabs[$tabName]);
                }
            }
        }
        Util::cacheSet($cache_key, $allowedTabs);
        return $allowedTabs;
    }