public static function unprefixTable($table)
    {
        static $prefixTable = null;
        if (is_null($prefixTable)) {
            $prefixTable = Config::getInstance()->database['tables_prefix'];
        }
        if (empty($prefixTable)
            || strpos($table, $prefixTable) !== 0
        ) {
            return $table;
        }
        $count = 1;
        return str_replace($prefixTable, '', $table, $count);
    }