php SESSION var getting lost

kickoutbettman · April 8, 2009

Hi everyone.

I'm having a problem with my PHP session vars getting lost or not writing info at all.

So here's a couple of information.

1. IT IS WORKING on my localhost NT machine.

2. Where it's not working it's on my client host server. (FATCOW host at fatcow.com)

3. Host server is using PHP : 4.4.8

So basically I have a html login page (login.php)

Then login.php send info to (login-exec.php) (Here I check my database to see if username exist and if so redirect using header...

Then the redirection goes to a "member page" where I require('auth.php') to check if session exist if no I get redirected to ACCESS DENIED PAGE

And there's the problem, it always give me the access denied page.

So here's my code.

login-exec.php

# <?php
#     //Start session
#     session_start();
#    
#     //Include database connection details
#     require_once('../Connections/golf_stats.php');
#    
#     //Array to store validation errors
#     $errmsg_arr = array();
#    
#     //Validation error flag
#     $errflag = false;
#    
#     //Connect to mysql server
#     $link = mysql_connect($hostname_golf, $username_golf_stats, $password_golf_stats);
#     if(!$link) {
#         die('Failed to connect to server: ' . mysql_error());
#     }
#    
#     //Select database
#     $db = mysql_select_db($database_golf_stats, $golf_stats);
#     if(!$db) {
#         die("Unable to select database");
#     }
#    
#     //Function to sanitize values received from the form. Prevents SQL injection
#     function clean($str) {
#         $str = @trim($str);
#         if(get_magic_quotes_gpc()) {
#             $str = stripslashes($str);
#         }
#         return mysql_real_escape_string($str);
#     }
#    
#     //Sanitize the POST values
#        
#     $login = clean($_POST['login']);
#     $password = clean($_POST['password']); 
#    
#     //Input Validations
#     if($login == '') {
#         $errmsg_arr[] = 'Login ID missing';
#         $errflag = true;
#     }
#     if($password == '') {
#         $errmsg_arr[] = 'Password missing';
#         $errflag = true;
#     }
#    
#     //If there are input validations, redirect back to the login form
#     if($errflag) {
#         $_SESSION['ERRMSG_ARR'] = $errmsg_arr;
#         session_write_close();
#         header("location: login.php");
#         exit();
#     }
#    
#     //Create query     
#     mysql_select_db($database_golf_stats, $golf_stats);
#     $query_members = "SELECT * FROM members WHERE username = '$login'";
#     $list_members = mysql_query($query_members, $golf_stats) or die(mysql_error());
#     $row_members = mysql_fetch_assoc($list_members);
#     $totalRows_members = mysql_num_rows($list_members); 
#        
#     //Check whether the query was successful or not
#     if($list_members) {
#         if($totalRows_members == 1) {
#             //Login Successful         
#             $_SESSION['SESS_MEMBER_USERNAME'] = $row_members['username'];
#             $_SESSION['SESS_JOUEUR_ID'] = $row_members['idJoueur'];
#             $_SESSION['SESS_JOUEUR_NAME'] = $row_members['name'];
#            
#             session_write_close();
#             header("location: ../members/members-index.php");
#             exit();
#         }else {
#             //Login failed
#             header("location: login-failed.php");
#             exit();
#         }
#     }else {
#         die("Queryisfailed");
#     }
# ?>

And here's my AUTH.php file

# <?php
#         session_start();   
#  
#     //Check whether the session variable SESS_MEMBER_ID is present or not
#     if(!isset($_SESSION['SESS_MEMBER_USERNAME'])) {
#         header("location: ../login/access-denied.php");
#         exit();
#     }
# ?>

I've seen 1000 of posts with people having the same problem, but I can't resolve my issue.

I did use session_write_close(); before the header redirection.

I did use session_start() for every pages that uses $SESSION['xxx']

Again like I said, it works on my localhost machine.

Thank you very much in advance for your help.

revraz · April 8, 2009

Check your host's php.ini file and verify the session save path is valid.

kickoutbettman · April 8, 2009

Thanks for your quick answer

This is what phpinfo() tells me :

session.save_path /var/php_sessions

What should it be ?

schilly · April 8, 2009

Put a print_r($_SESSION) on your access denied page to see if anything is in your session.

kickoutbettman · April 8, 2009

Doesn't seem to return anything.

revraz · April 8, 2009

First determine if it's a logic issue or a actual session issue.

In your first code, setting your session depends on:

if($list_members) {

if($totalRows_members == 1) {

So create two new pages, first page, start your session, set a session variable. Second page, read that session variable.

kickoutbettman · April 8, 2009

I'm not a php expert, but I don't see how it could be a logic issue since it's working on my local machine (localhost).

But I did try to do what you said :

if($list_members) {
         if($totalRows_members == 1) {
         header("location: test1.php");
 exit();

Then on test1.php

<?php
session_start();
$_SESSION['test'] = "this is a test";
session_write_close();
?>
<a href="test2.php">link to test 2</a>

And then test2.php

<?php
session_start();s
echo $_SESSION['test'];
?>

RESULT : BLANK, nothing is returned.

BTW thanks for trying to help, very appreciated

PFMaBiSmAd · April 8, 2009

Put the following two lines immediately after your first opening <?php tag (before the session_start() statements) on both pages -

ini_set ("display_errors", "1");
error_reporting(E_ALL);

Maq · April 8, 2009

   session_start();s

You have an extra 's' in test2.php, is that a typo?

kickoutbettman · April 8, 2009

MAQ yes it's a typo.

Maq · April 8, 2009

MAQ yes it's a typo.

Haha, ok just making sure!

A blank page usually means syntax errors that are being suppressed, please do what PFMaBiSmAd suggested and report back the results.

kickoutbettman · April 8, 2009

Alright, this is what I get on first page. ???

Warning: session_start() [function.session-start]: open(/var/php_sessions/sess_82828398b35afdfe0dc9fc4b5310cd36, O_RDWR) failed: No such file or directory (2) in /hermes/web10/b2762/moo.kickoutbettman/golf/login/test1.php on line 4

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /hermes/web10/b2762/moo.kickoutbettman/golf/login/test1.php:4) in /hermes/web10/b2762/moo.kickoutbettman/golf/login/test1.php on line 4

Warning: session_write_close() [function.session-write-close]: open(/var/php_sessions/sess_82828398b35afdfe0dc9fc4b5310cd36, O_RDWR) failed: No such file or directory (2) in /hermes/web10/b2762/moo.kickoutbettman/golf/login/test1.php on line 6

Warning: session_write_close() [function.session-write-close]: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/php_sessions) in /hermes/web10/b2762/moo.kickoutbettman/golf/login/test1.php on line 6

revraz · April 8, 2009

Means your session file path is not valid.

kenrbnsn · April 8, 2009

That's saying that the directory "/var/php_sessions/" doesn't exist.

Check with your host provider.

Ken

kickoutbettman · April 8, 2009

This is where I get confuse.....

phpinfo() returns : session.save_path = /var/php_sessions

How come it's not something set by default on my host server.

I'm not the first using session variables. Why would I have to have my host to make a change.

On my local machine I get : session.save_path = /tmp

PFMaBiSmAd · April 8, 2009

How come it's not something set by default on my host server.

It should be, that's why kenrbnsn instructed you to check with your hosting provider. We cannot answer that question, your host can.

revraz · April 8, 2009

My Host had the wrong path by default as well, it just has to be changed to a valid path.

kickoutbettman · April 8, 2009

Can anyone tell me what path I should ask them to change it to ?

By the way thank you all for your answer, it seems I getting close to fix my issue.

revraz · April 8, 2009

You ask them what it should be set to. It needs to be a path on in your area you can write to.

kickoutbettman · April 8, 2009

thanks guys, I'll ask them right away and let you know the answer.

Maybe this should remain open until then.

revraz · April 8, 2009

Up to you on that, but once you get the path resolved, it should work fine.

kickoutbettman · April 8, 2009

I sent them the error message

They ask me to wait 2 min. and retry. It works now...amazing...

But I have no idea what they changed it to.

Thank you all.

revraz · April 8, 2009

They probably just fixed the folder to have the correct rights.

PFMaBiSmAd · April 8, 2009

A permissions problem does not give a "No such file or directory" error.

You can use a phpinfo() statement to find out what it is set to.

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php SESSION var getting lost

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