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Re: [PHP] Re: Everything works...Unless they hit the "back" button...

Posted by Jack Jackson on 08/03/05 16:44

Hi, mark,

<snip>
Mark Rees wrote:
> Do you want to allow people to go back and change things ?
> If so, write a suitable UPDATE statement
</snip>

Thanks, but I think the update function should be built in -- the sql
checks whether the userAnswer table contains the q_id the user has just
entered; if so, it deletes the row containing it and then the second
query inserts the new values.

$qidlist_sql="DELETE FROM teresa WHERE q_id IN (" .
(implode(",",$qidlist)) . ");"

$q_a_sql="INSERT INTO teresa (u_id, q_id, a_id )
VALUES " . (implode(",",$qanda)) . ";";


I think there's something wrong with the logic of how I'm handling
$_POST info and passing it back and forth: here's why: if I close the
browser and reopen it and refill the same questions, the answer table
shows the updated answers. there's something in the logic I am using
about how I am advancing the $cat and managing the $_POST information. I
think . But I cannot find it.

Anyone?

 

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