Using post method from PHP script and redirecting 2

krylor

I have a form named page a with asks a user for a lot of details.
it submits to a page b where the veracity of the fields is checked
and the user is redirected to page a if there are any errors.

When he goes back to page a i would like to show him the page with original data that was there.

So in short what i am trying to do is using a function within page b
which will do a http back to page a.

Does anyone know how this is done?.
I have come accross many http client libraries they all enable me to post the data but donot actually redirect me to page a.

In short what i want to do is to mimic the browser post function.
If anybody has any ideas on how to accomplish this please letme know.

regds
Thanks in advance 🙂

leatherback

Hi,

Not directly the answer to the question, but an easier way to reach this result:
You have the page submit the data to itself.
Then in the PhP of the page you put the checking routine. If the data is correct: You move on to the next page. If not, you echo out all the values into the form:

$form .="
<form action....>
<textarea name=\"message\" cols=\"39\" rows=\"13\">$message</textarea>

</form>
";

<? echo $form ?>

krylor

thanks for your swift reply.

Had considered that option ,but the problem is that page a has to post
huge amonts of information to page b so if i do as u say.

Then again i am stuck with the problem of submitting that data to page b
after error checking using something like

header ("Location: pageb.php?user_id=$user_id&.......");
Two problems here the amount of variables i am using
will make me prefer post to get.

Of course i can use sessions to actually get a working solution.
But the question is whether i can mimic the form posting of a browser.

regds
Kry

Weedpacket

If you have page (a) submit to page (a), then if all the data is validated, you have page (a) do whatever it is you were planning to do with the data (storing it somewhere in a database for safekeeping or whatever); then there's nothing that needs to be passed on to page b - that just becomes a confirmation page.

if(a submission is made)
{ validate
  if(valid)
  { process
     header('Location: b');
  }
  invalid submission
}
no submission yet

Suitable flags can be used to flatten out the nesting (I sometimes use an error message string to do double-duty that way).

krylor

Well what you suggest is not possible in this case because.
The insertion into the database happens at a much later point at some page d say for example.

Also letme clarify that the Page a and page b cannot be combined
into one page as they have each a lot of work to perform and
display 2.

regds

Weedpacket

Well, just because they have a lot of work to do and both display doesn't mean they can't be combined 🙂

But since you're talking about needing to persist lots of data through several pages, then session variables are exactly what you're describing. Whatever solution you come up with will be functionally equivalent.

I mean sure, you could write POST requests to pass everything from one page to the next - see the cURL functions. But what you'll end up with is a chain of several separate instances of PHP all running concurrently, each processing a separate page in the sequence, and all but one blocked while waiting for a response from its POST to the next page in the chain.

krylor

I guess my original question still remains unanswered 🙂.
I could probably try to xplain what i am trying to do.

and then maybe u guys can undersatnd me better ?

my msn id is krylormaximus@hotmail.com

regds
kry

leatherback

If you come online, we can talk over msn messenger...