empty test type input are always available even if empty. checkboxes and
radio buttons are not set if empty but text inputs are always there. your
test does not check for the fields not having been filled in.
Tim Ward
Senior Systems Engineer
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> -----Original Message-----
> From: W.D. [mailto:[EMAIL PROTECTED]]
> Sent: 19 February 2001 21:26
> To: Jason Cox; [EMAIL PROTECTED]
> Subject: Re: [PHP] Will this work?
>
>
> Ok, I removed the (" ") from action and it worked, but it
> doesnt validate,
> just sends to thanks page regardless of whether the fields
> are filled or
> not. Am I mistaking IsSet for handling that?
>
> > Hi,
> >
> > > <form method="POST" action="<?php print("$PHP_SELF"); ?>">
> > > First Name: <input type=TEXT name="FirstName" size=15><p>
> > > Last Name: <input type=TEXT name="LastName" size=25><p>
> > > E-mail Address: <input type=TEXT name="Email" size=25><p>
> > > <input type=SUBMIT> <input type=RESET>
> > > </form>
> >
> > The form should work.
> >
> > > <?php
> > > if(!IsSet($FirstName, $LastName, $Email))
> > > {
> > > header("Location: http://www.SITE.com/error.php");
> > > exit;
> > > }
> > > else
> > > {
> > > header("Location:
> > > http://www.SITE.com/thanks.php");
> > > exit;
> > > }
> > > ?>
> >
> > This won't work. I assume that this code is included on
> the page with the
> > form above. First, the header() function must be called
> before any output
> > is sent to the browser or it will throw an error and stop.
> The second
> > problem is that the first time a user comes to this page,
> it will throw
> then
> > to the error page because the vars won't be set. Try this:
> >
> > <?
> > if($HTTP_SERVER_VARS["REQUEST_METHOD"] == "POST")
> > {
> > (!isset($Email)||!isset($FirstName)||!isset($LastName))?
> > header("Location: http://www.SITE.com/error.php"):
> > header("Location: http://www.SITE.com/thanks.php");
> > }
> > ?>
> >
> > Then put your form below it. This will work unless you do
> a form post to
> > this page from another page in which case it will throw you
> to the error
> > page.
> >
> > Jason
>
>
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