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PHP Sessions in frames....

Hey all,

I have a website, which uses frames (I know, I know...). Left frame is
a navbar, with the main content in the right frame.

I can login using sessions on the right frame, giving "Thankyou, $name
(where $session(name) = $name etc - not got code available atm, so
thats not exactly right, but you get the gist...)

I use <body onLoad parent.leftfram e etc to reload the left frame, which
checks to see if $name is blank, if it is, it displays a login link, if
its got text in, it displays "You are logged in as $name".....

Except I can't get my left frame to recognise that there is something
in $name, so it always displays the login link...

Am I missing something, or is there a limitation in php sessions with
regards to frames...

Thanks,
Ben

Jul 17 '05 #1
6 8542
BWGames wrote:
Hey all,

I have a website, which uses frames (I know, I know...). Left frame is
a navbar, with the main content in the right frame.

I can login using sessions on the right frame, giving "Thankyou, $name
(where $session(name) = $name etc - not got code available atm, so
thats not exactly right, but you get the gist...)

I use <body onLoad parent.leftfram e etc to reload the left frame, which
checks to see if $name is blank, if it is, it displays a login link, if
its got text in, it displays "You are logged in as $name".....

Except I can't get my left frame to recognise that there is something
in $name, so it always displays the login link...

Am I missing something, or is there a limitation in php sessions with
regards to frames...

PHP doesn't even know about your frames.
It receives a cookie (or get: script.pgp?PHPS ESSIONID=563245 62134) and
retrieves the session based on that value.

SO If you are using cookies, you should be fine.
If you use URL-rewritting, be sure that you send the right SESSIONID in each
request.
Also be sure to read through php.ini: find the SESSION-section and see if
PHP is allowed to do the rewriting for you.

Another problem can be that the pages you display in the frames are from
different domains. Then NO cookie can be shared (luckily).

Regards,
Erwin Moller

PS: To hunt down bugs like this one, be sure you just check the browsers
cookies, delete them, see what PHP sets, etc. etc.

Thanks,
Ben


Jul 17 '05 #2
On Wed, 02 Feb 2005 12:25:09 +0100, Erwin Moller wrote:


PHP doesn't even know about your frames.
It receives a cookie (or get: script.pgp?PHPS ESSIONID=563245 62134) and
retrieves the session based on that value.
Am using cookies....
Another problem can be that the pages you display in the frames are from
different domains. Then NO cookie can be shared (luckily).
Same domain
PS: To hunt down bugs like this one, be sure you just check the browsers
cookies, delete them, see what PHP sets, etc. etc.


PHP sets the cookies alright... Has PHPSESSID and a hash.

After some more investigation, my sessions don't work at all regardles of
the frames... I just recently upgraded to PHP 4.3.10 from 4.1 though...

Setup is:

Standard form, with a name textfield defined. POSTs to a php script which
starts with
<?php
// start the session
session_start() ;
header("Cache-control: private"); //IE 6 Fix
$name = $_REQUEST['name'];
$_SESSION['name'] = $name;
?>
.....
<p>You are now logged in, <strong><? echo $name; ?></strong>! Use
one of the links on the left. </p>
<p><a href="test3.php ">Test!</a></p>

echo $name displays it fine.

Clicking the test3.php link goes to

<?php
// start the session
session_start() ;
header("Cache-control: private"); //IE 6 Fix
$_SESSION['name'] = $name;
?>
.....
<? echo $name; ?>

Yet, echo $name doesn't show anything....

Any ideas?

Thanks,
Ben

--
BWGames
to email change de.news to de-news
Jul 17 '05 #3
BWGames wrote:
On Wed, 02 Feb 2005 12:25:09 +0100, Erwin Moller wrote:


PHP doesn't even know about your frames.
It receives a cookie (or get: script.pgp?PHPS ESSIONID=563245 62134) and
retrieves the session based on that value.
Am using cookies....

Another problem can be that the pages you display in the frames are from
different domains. Then NO cookie can be shared (luckily).

Same domain
PS: To hunt down bugs like this one, be sure you just check the browsers
cookies, delete them, see what PHP sets, etc. etc.


PHP sets the cookies alright... Has PHPSESSID and a hash.

After some more investigation, my sessions don't work at all regardles of
the frames... I just recently upgraded to PHP 4.3.10 from 4.1 though...

Setup is:

Standard form, with a name textfield defined. POSTs to a php script which
starts with
<?php
// start the session
session_start() ;
header("Cache-control: private"); //IE 6 Fix
$name = $_REQUEST['name'];


I would strongly suggest you do not use $_REQUEST.
It scans $_GET, $_POST $_COOKIE for the requested name.
You have too little control where your info comes from.
Just use $_GET["somename"] or $_POST["somename"].

$_SESSION['name'] = $name;
?>
....
<p>You are now logged in, <strong><? echo $name; ?></strong>! Use
one of the links on the left. </p>
<p><a href="test3.php ">Test!</a></p>

echo $name displays it fine.

Clicking the test3.php link goes to

<?php
// start the session
session_start() ;
header("Cache-control: private"); //IE 6 Fix
$_SESSION['name'] = $name;
This is wrong.

This script doesn't KNOW $name.
SO you assign nothing to $_SESSION["name"]

You better put your errormessages ALL on (Also notices).
Then PHP would complain that $name is unknown...

You probably ment:

$name = $_SESSION['name'];
?>
....
<? echo $name; ?>

Yet, echo $name doesn't show anything....

Any ideas?

Thanks,
Ben

Regards,
Erwin Moller
Jul 17 '05 #4
Erwin Moller <si************ *************** *************** @spamyourself.c om> wrote in message news:<42******* *************** *@news.xs4all.n l>...

Another problem can be that the pages you display in the frames are from
different domains. Then NO cookie can be shared (luckily).

Thats my problem.

With firefox it is working fine, but I.E is starting a new session on
every page of the content frame. So nothing can be stored at all.

So I am a little bit clueless what to do.

Erwin are you still here?
Jul 17 '05 #5
NC
BWGames wrote:

Setup is:

Standard form, with a name textfield defined. POSTs to a php
script which starts with
<?php
// start the session
session_start() ;
header("Cache-control: private"); //IE 6 Fix
$name = $_REQUEST['name'];
$_SESSION['name'] = $name;
?>
....
<p>You are now logged in, <strong><? echo $name; ?></strong>! Use
one of the links on the left. </p>
<p><a href="test3.php ">Test!</a></p>

echo $name displays it fine.

Clicking the test3.php link goes to

<?php
// start the session
session_start() ;
header("Cache-control: private"); //IE 6 Fix
$_SESSION['name'] = $name;
?>
....
<? echo $name; ?>

Yet, echo $name doesn't show anything....


Of course it doesn't. You overwrite $_SESSION['name'] with
a yet-undefined $name. Replace this:

$_SESSION['name'] = $name;

with this:

$name = $_SESSION['name'];

Cheers,
NC

Jul 17 '05 #6
stefan wrote:
Erwin Moller
<si************ *************** *************** @spamyourself.c om> wrote in
message news:<42******* *************** *@news.xs4all.n l>...

Another problem can be that the pages you display in the frames are from
different domains. Then NO cookie can be shared (luckily).

Thats my problem.

With firefox it is working fine, but I.E is starting a new session on
every page of the content frame. So nothing can be stored at all.

So I am a little bit clueless what to do.

Erwin are you still here?


Erm, yes, I am now. :P
Bit late maybe.
Been very busy.

If you are still stuck, repost here, ok?

Regards,
Erwin Moller
Jul 17 '05 #7

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