将可选变量传递给codeigniter中的分页

public function manage($page = 1, $method = \'\', $id=0)
{
    //code
}

http://domain.path/to/controller/method/1/test/1

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near \'\'1\', 50\' at line 5

SELECT CONCAT(\'so_\',id,\'_am\'), value, updated, FROM words LIMIT \'1\', 50

$page = \"4\";
$offset = \"4\";
$qb->setLimit((int)$page,(int)$offset)