Re: using variable in php form before the form is POSTed

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On Tue, May 13, 2008 at 9:02 AM, tedd <tedd.sperling@xxxxxxxxx> wrote:

> At 2:44 PM -0700 5/12/08, milt wrote:
>
>> I have a form that will be filled in by the user, I want to have access to
>> the content of one of the fields in that form, in order to fill in an
>> another variable that is not part of the form.  this variable is used by a
>> routine when the form is "posted".  Question - is the $_post[field name]
>> availble before the submit button is pushed, or is there another way to
>> get
>> the contents of the field?
>> thanks, Milt
>>
>
> Use hidden, such as:
>
> <input type="hidden" name="step" value="1">
>
> After the form is posted, $_POST['step'] will = 1.
>
> I use this technique all the time so that I can use the same script to
> present different forms based upon which step in the form processing the
> user is on (i.e., step=1, step=2, step=3 and so on).
>
> Cheers,
>
> tedd
>
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> You could get funky and send that data bit via AJAX to the server to be
preprocessed. But likely handling the data bit as the first step on
submission, is gonna be simpler and faster to do


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Bastien

Cat, the other other white meat

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