<script>location.href='login.php';</script>SQL Error <br>select * from `user_group` where `idx`=0 and `admin_id`=;SQL Error <br>select 
               `group_permission`.`read`, 
               `group_permission`.`write`, 
               `group_permission`.`delete` 
               from `user_group` 
               left join `group_permission` on 
               `group_permission`.`group_id`=`user_group`.`group_id` 
               where 1 
               and `group_permission`.`idx`=0 
               and `user_group`.`idx`=0 
               and `user_group`.`admin_id`= 
               and `group_permission`.`page`='leave_record.php';SQL Error <br>select `group_id` from `user_group` where 1 and `idx`=0 and `status`=0 and `admin_id`=;