Session Help

Jeremy_Stowell

Hi. I have a question on sessions. I am having trouble getting variables to work with using sessions.

The code I have wrote so far is this.

test.php

<?php
session_start();
?>
<?php
$myvar = "Hello";
$SESSION["myvar"]=$myvar;
echo "session_id();
echo $SESSION["myvar"];

test2.php
<?php
session_start();
?>
<?php
$temp=$_SESSION["myvar"];
echo $temp;
echo session_id();
?>

These are the two web pages that I have. I can not see the variable displayed on the second page. If anyone knows what I am doing wrong, that would be greatly appreciated.

Also I am able to see the session_id on both test and test2 pages. But the variable is unable to be seen!

--Jeremy

greenkill

you have to register your sessions variables

<?php
session_start();

$something = 10;

session_registered("something");

Jeremy_Stowell

Thank you!

dalecosp

Originally posted by Jeremy Stowell
Hi. I have a question on sessions. I am having trouble getting variables to work with using sessions.

The code I have wrote so far is this.

test.php

<?php
session_start();
?>
<?php
$myvar = "Hello";
$SESSION["myvar"]=$myvar;
echo "session_id();
echo $SESSION["myvar"];

?>

test2.php
<?php
session_start();
?>
<?php
$temp=$_SESSION["myvar"];
echo $temp;
echo session_id();
?>

These are the two web pages that I have. I can not see the variable displayed on the second page. If anyone knows what I am doing wrong, that would be greatly appreciated.

Also I am able to see the session_id on both test and test2 pages. But the variable is unable to be seen!

--Jeremy

Your code looks fine --- there are a couple of minor points, but everything tested OK for me.

In the posted example you have a spare double quote in test1.php prior to the [man]session_id()[/man] call.

Also, standard practice is probably to use the single quote instead of the double when referring to array elements that are strings, i.e. $SESSION['myvar'] rather than $SESSION["myvar"].

Try this as test1.php:

<?php
session_start();
?>
<?php
$myvar = "Hello";
$_SESSION['myvar']=$myvar;
echo session_id()." is the Session ID<br><br>";
echo $_SESSION['myvar']. " is the Variable...";
?>

and this as test2.php:

<?php
session_start();
?>
<?php
$temp=$_SESSION['myvar'];
echo $temp. " is the Variable<br><br>";
echo session_id(). " is the Session ID...";
?>

Otherwise, some problem with the browser (accepting cookies, for example?) or the settings in php.ini (enable-trans-id?)??

dalecosp

Originally posted by greenkill
you have to register your sessions variables

<?php
session_start();

$something = 10;

session_registered("something");

?>

Not unless his PHP is ancient.

$_SESSION['this']="assigned";

is automagically registered to the SESSION superglobal array...

Jeremy_Stowell

I tried your example and it did not work.

I am using PHP Version 4.3.1

here is what the setting say under Sessions when I run phpinfo

Directive -- Local Value -- Master Value
session.auto_start Off Off
session.bug_compat_42 Off Off
session.bug_compat_warn On On
session.cache_expire 180 180
session.cache_limiter nocache nocache
session.cookie_domain no value no value
session.cookie_lifetime 0 0
session.cookie_path / /
session.cookie_secure Off Off
session.entropy_file no value no value
session.entropy_length 0 0
session.gc_dividend 1000 1000
session.gc_maxlifetime 1440 1440
session.gc_probability 1 1
session.name PHPSESSID PHPSESSID
session.referer_check no value no value
session.save_handler files files
session.save_path /tmp /tmp
session.serialize_handler php php
session.use_cookies On On
session.use_only_cookies Off Off
session.use_trans_sid Off Off

dalecosp

So, can you tell if the server set a cookie in your browser cache?

About the only diff between my setup and yours, other than yours is PHP version > my test machine, is that I have session.use_trans_id set to 1 ...

How 'bout this:

test1.php

<?php
session_start();
$_SESSION['mystring']="It works!";
$s=session_id();
echo "<a href=\"test2.php?sid=".$s;
echo "\">Click here for test 2...</a>";

test2.php

<?php
  $s=$_GET['sid'];
  session_id($s);
  session_start();
  echo $_SESSION['mystring'];
?>

Jeremy_Stowell

Nope it still doesn't work.

I wonder if it is that setting that you have active that I do not.
Do you know what that setting does for sure?

Thanks for all of your help!

dalecosp

Sure; it allows PHP to pass the SID via the URL rather than as a cookie on the client machine. Pretty much the oppositie of "use_only_cookies."

If you are rejecting cookies from your server and transparent sessid support is disabled, that could be the issue; not only for you, but any users who have high security/privacy settings, or any kind of "cookie cleaner..." etc., etc.

Be aware of the security issues involved. Here's your "RT*M" link 🙂

http://www.php.net/manual/en/ref.session.php