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Tag: php

Connection failed: SQLSTATE[HY093]: Invalid parameter number

Hello everyone, I’ve got a problem with my php code. I keep getting this error 0 1 2 3Connection failed: SQLSTATE[HY093]: Invalid parameter number: number of bound variables does not match number of tokens. As I understand it means that the number of parameters doesn’t match. I rewrited it many ti…

MySql Group By Count item count Distinct

I have a table looks like Here user id 1 exist in level 1 and level 2 Now when we count group by level then in counting we want ignore user_id 1 from level 1 cause it exist another group. we want to consider only one group existing and higher group. I have done only group count but cant understand

Different user login problem because of the syntax error [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago. Improve this question In my program, I want different users to have different class_id in order to let them go int…