Is there a way to treat a PHP page like a form?

**Keiron Waites** · Jul 16 '05, 11:47 PM

Re: Is there a way to treat a PHP page like a form?

"william c" <temp4_NO_SPAM_ @williamc.com> wrote in message
news:3F60DC5E.1 9347955@william c.com...[color=blue]
>
> I don't really know PHP that well.
>
> I'm fixing a Perl program that accesses a db after getting form input
> from a PHP page. If the server-side validation fails I'd like to reload
> the form with all the user's info still filled in.
>[/color]
[snip]

Do this with your form elements:

<input type="text" name="name" value="<?php print $_POST['name']; ?>">

On first load of the page, check to see if the form has been submitted and
if it hasn't create the values so that no errors are encountered:

<?php
if (!isset($_POST['name'])) {
$_POST['name'] = "";
etc...
}
?>

**Gary Petersen** · Jul 16 '05, 11:47 PM

Re: Is there a way to treat a PHP page like a form?

A horsie named william c demonstrated surprising intelligence and its
ability to use morse code on Thu, 11 Sep 2003 15:36:11 -0500 when it
tapped <3F60DC5E.19347 955@williamc.co m> with its hoof:

[color=blue]
> I don't really know PHP that well.
>
> I'm fixing a Perl program that accesses a db after getting form input
> from a PHP page. If the server-side validation fails I'd like to reload
> the form with all the user's info still filled in.
>
> I could embed the entire page in the Perl program but it seems like
> there must be a better way to go. Is there a way to get the info into
> the Post environment variable and add code for the PHP page to read it
> from there?
>
> thx,
>
> --williamc[/color]

When the validation fails, save the POST data into a
session variable and redirect to the form page.
When the form page loads, put the
saved post data into the form elements:

validate.php:
if (authfailed()) {
$_SESSION['saved'] = $_POST;
// Warning: The following assumes the session cookie
// is available.
header ("Location: http://mysite.com/form.php");
exit();
}

form.php:
echo <<<PHPRULZ
<form ...>
<input type=text name='username'
value="$_SESSIO N[saved][username]" >
...
PHPRULZ;

HTH

**william c** · Jul 16 '05, 11:48 PM

Re: Is there a way to treat a PHP page like a form?

Keiron Waites wrote:
[color=blue]
> Do this with your form elements:
>
> <input type="text" name="name" value="<?php print $_POST['name']; ?>">
>
> On first load of the page, check to see if the form has been submitted and
> if it hasn't create the values so that no errors are encountered:
>[/color]

thanks!

**william c** · Jul 16 '05, 11:48 PM

Re: Is there a way to treat a PHP page like a form?

Gary Petersen wrote:[color=blue]
>
> A horsie named william c demonstrated surprising intelligence and its
> ability to use morse code on Thu, 11 Sep 2003 15:36:11 -0500 when it
> tapped <3F60DC5E.19347 955@williamc.co m> with its hoof:[/color]

<chuckle />
[color=blue]
> When the validation fails, save the POST data into a
> session variable and redirect to the form page.
> When the form page loads, put the
> saved post data into the form elements:[/color]

Ok, thinking out load here... Does this make sense? Currently this page
uses javascript to validate and after it validates, submits to the Perl
program. Normally, when it validates on the client side it validates on
the server side, too. But it could fail if the Perl code strips out a
lot of evil characters (not that I care about making it convenient to
re-enter in that case) or if the user has js turned off.

If I move the data checking and cleansing out of the Perl and into a PHP
function, since it's happening on the server, that should be as reliable
as doing it in the cgi. Only after it gets past the PHP validation
function do I submit it to the Perl. Then, the Perl should fail only if
the insert into the db etc. fails, in which case I'm probably screwed
anyway...

So maybe that's what I should do, and not even use a session. And maybe
rewrite everything to use just PHP to validate, make the connection to
the db, insert the data etc... I have the O'Reilly PHP book, I guess I
should read it.

thx for the help,

williamc

**Geoff Berrow** · Jul 16 '05, 11:48 PM

Re: Is there a way to treat a PHP page like a form?

Message-ID: <3F61A588.46416 177@williamc.co m> from william c contained the
following:
[color=blue]
>I have the O'Reilly PHP book, I guess I
>should read it.[/color]

Nah... just do it.

--
Geoff Berrow
It's only Usenet, no one dies.
My opinions, not the committee's, mine.
Simple RFDs http://www.ckdog.co.uk/rfdmaker/

**Martin Lucas-Smith** · Jul 16 '05, 11:48 PM

Re: Is there a way to treat a PHP page like a form?

[color=blue][color=green]
> > A horsie named william c demonstrated surprising intelligence and its
> > ability to use morse code on Thu, 11 Sep 2003 15:36:11 -0500 when it
> > tapped <3F60DC5E.19347 955@williamc.co m> with its hoof:[/color]
>
> <chuckle />[/color]

<off-topic>How are these generated, btw?</off-topic>

Martin

**Andy Jeffries** · Jul 16 '05, 11:48 PM

Re: Is there a way to treat a PHP page like a form?

On Fri, 12 Sep 2003 13:23:42 +0100, Martin Lucas-Smith wrote:[color=blue][color=green][color=darkred]
>> > A horsie named william c demonstrated surprising intelligence and its
>> > ability to use morse code on Thu, 11 Sep 2003 15:36:11 -0500 when it
>> > tapped <3F60DC5E.19347 955@williamc.co m> with its hoof:[/color]
>>
>> <chuckle />[/color]
>
> <off-topic>How are these generated, btw?</off-topic>[/color]

By using a decent newsreader (Pan is one of the most-compliant around).

Cheers,

Andy

**Geoff Berrow** · Jul 16 '05, 11:48 PM

Re: Is there a way to treat a PHP page like a form?

Good Grief! Was it really true that Message-ID:
<pan.2003.09.12 .12.47.49.32430 4@andyjeffries. remove.co.uk> from Andy
Jeffries contained the following:
[color=blue][color=green]
>> <off-topic>How are these generated, btw?</off-topic>[/color]
>
>By using a decent newsreader (Pan is one of the most-compliant around).[/color]

Agent will do that too for windoze users.

--
Geoff Berrow
It's only Usenet, no one dies.
My opinions, not the committee's, mine.
Simple RFDs http://www.ckdog.co.uk/rfdmaker/

**Michael W. Cocke** · Jul 16 '05, 11:48 PM

Re: Is there a way to treat a PHP page like a form?

On Fri, 12 Sep 2003 16:00:57 +0100, Geoff Berrow <$bl$@ckdog.co. uk>
wrote:
[color=blue]
>Good Grief! Was it really true that Message-ID:
><pan.2003.09.1 2.12.47.49.3243 04@andyjeffries .remove.co.uk> from Andy
>Jeffries contained the following:
>[color=green][color=darkred]
>>> <off-topic>How are these generated, btw?</off-topic>[/color]
>>
>>By using a decent newsreader (Pan is one of the most-compliant around).[/color]
>
>Agent will do that too for windoze users.[/color]

Agent will do it for linux users too - works fine under wine.

Mike-
Mornings: Evolution in action. Only the grumpy will survive.
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Is there a way to treat a PHP page like a form?

Is there a way to treat a PHP page like a form?

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