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Posted by stathis gotsis on 09/26/45 11:46
"David Haynes" <david.haynes2@sympatico.ca> wrote in message
news:Mp25g.739$jE6.350@fe17.usenetserver.com...
> stathis gotsis wrote:
> > Hello everyone,
> >
> > I am tying to come up with an elegant way to process some input data
that
> > come from a form. When the user hits the 'Submit' button, i want the
form to
> > appear again with the already entered valid data filled in and prompt
the
> > user to re-enter the non-valid data. If all data is valid, i will
forward to
> > an other .php page which enters the data into a database.
> >
> > I tried to do this in the following way: the form always hits back on
> > itself, but when all data is valid i use the PHP:header() to redirect to
the
> > data.php that performs the database insertion. The problem is that the
data
> > is not available to data.php in the $_POST variable. How can i overcome
this
> > problem? Any other subtle way to handle the whole thing? Any help
> > appreciated.
> >
> >
>
> I would break the function a little differently.
>
> 1. Have a form (view) that is sensitive to $SESSSION. That is, it will
> use the values in SESSION to populate any dynamic values to be displayed
> in the form.
> 2. Have another process (controller) that:
> a) processes $_POST or $_GET
> b) if all is valid, does the insert/update and redirects to another
> page (Your data has been saved.)
> c) if all is not valid, populates the $SESSION with good values and
> then redirects to the view form.
>
> The whole thing is started by calling the controller. Since no data is
> valid, it will redirect to the view.
> The view then presents a form for filling in.
> The user fills in the form and submits which then calls the controller.
> The controller processes the form data and either updates/inserts it or
> calls the view again.
>
> If you encapsulate your database accesses into a class or set of classes
> which are called from the controller, you will have a light-weight
> implementation of a classic Model-View-Controller (MVC2) architecture.
Thank you for your quick answer, i am heading towards the implementation you
suggested. Just another minor question: can i add an array variable to
SESSION? How can this be done?
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