PHP Session variables not saving between pages?

Question

Login page:

<?php

session_start();

#echo session_id ();
$_SESSION["auth"]= "yes";

echo '<a href="Portaltest.php?t='.time().'">portal page link.  Auth set to: {$_SESSION["auth"]}</a>';

?>

Portal page:

<?php session_start();

echo "auth = {$_SESSION["auth"] } <BR />";
echo session_id ();


?>

The auth session is lost between the two pages somehow!

Edit

Here is a test url:

http://proserv01.services.lyris.com/NFPInsurance/UnsegmentedMemberReport/logintest.php

First try to not put the $_SESSION["auth"] in the echo. The quotes will throw it off. Instead do this... echo 'auth = '.$_SESSION["auth"].' "; — CP510
– CP510, Commented Aug 20, 2013 at 1:10
Additionally to @CP510 comment, are you sure the code is executed properly and that the $_SESSION["auth"] is actually lost? Check it using the isset function: if(isset($_SESSION["auth"] )){echo "Session Auth is set";} — Nick Louloudakis
– Nick Louloudakis, Commented Aug 20, 2013 at 1:14
Try doing this echo "$auth = ".$_SESSION["auth"]." "; adding a $ to auth. auth should be a variable. Am just not sure what it is you are trying to achieve. — Funk Forty Niner
– Funk Forty Niner, Commented Aug 20, 2013 at 1:16
@NickL. Yes it is definitely lost. I just added your code, same result. — richard
– richard, Commented Aug 20, 2013 at 1:16

AdamJonR · Accepted Answer · 2013-08-20 02:38:19Z

3

When trouble-shooting sessions, there are a few things I tend to do, but let's start with your code.

Here is an updated version of your page code so you actually see the value stored in $_SESSION['auth'] (your quotes were causing some trouble):

<?php

session_start();
$_SESSION["auth"] = "yes";
echo '<a href="Portaltest.php?t='.time().'">portal page link.  Auth set to: ' . $_SESSION["auth"] . '</a>';

?>

Here is the updated version of the portal page, which removes the additional space after the closing curly bracket:

<?php

session_start();
echo "auth = {$_SESSION["auth"]} <BR />";

?>

Now, if you don't see the auth with these revisions, you can try:

Changing the code in portal so it just dumps out the session so you can see what you've got: session_start(); var_dump($_SESSION);
Checking to make sure the error reporting is enabled, as PHP helps you identify many potential issues quite quickly (e.g., index doesn't exist, the headers were already sent, etc.): ini_set('display_errors','1'); error_reporting(E_ALL);
You can check your PHP config file (php.ini) to make sure that there are no settings causing session issues directly.

answered Aug 20, 2013 at 2:38

AdamJonR

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1 Comment

richard Over a year ago

/var was full because of an out of control mail program. The error reporting made that come up and was easy to see. Thanks!!!

Community · Accepted Answer · 2020-06-20 09:12:55Z

1

NOTE: For testing purposes only.

I am unsure as to what the expected results are, yet I will submit this as an answer with explanations set inside PHP comments.

Give this a try:

<?php

session_start();
$_SESSION["auth"]= "yes";

// will echo: portal page link. Auth set to: yes
echo '<a href="Portaltest.php?t='.time().'">portal page link.  Auth set to: ' . $_SESSION["auth"] . '</a>';
echo "<br>";

// will echo: auth = yes
echo "auth = {$_SESSION["auth"] } <BR />";
?>

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Aug 20, 2013 at 2:03

Funk Forty Niner

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4 Comments

M Sost Over a year ago

You shouldn't write echo "auth = {$_SESSION["auth"] } "; like that, as the double quoutes around the auth key will throw it off. At best, it should be: echo "auth = {$_SESSION['auth'] } "; or echo 'auth = {'.$_SESSION["auth"].' } ';

AdamJonR Over a year ago

@MSost, the double quotes do work (if you try it, you'll see it functions fine), as PHP enters a new parsing mode when it reaches {$...} (complex syntax), but it might not be the best for readability: php.net/manual/en/language.types.string.php

M Sost Over a year ago

@Adam That's for the info, agreed on readability, but if it works I retract my statement :) I've just never thought that would work/to do that!

Funk Forty Niner Over a year ago

@RichardDesLonde Actually Richard, I got the exact same results (from accepted answer) with or without the space before the curly brace, using FF v23

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