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Thread: PHP sessions

  1. #1
    Join Date
    Nov 2012
    Posts
    6

    PHP sessions

    I have a problem with a login on my site. The script starts session and login works, sets session id and i can return that and echo it in variable, but when i navigate to a different file on my server, even one in the same directory, it says i'm not logged in.

    login script
    PHP Code:
    <?php 
    ini_set
    ("display_errors""1");
    error_reporting(E_ALL);
    session_start();

    include_once 
    "scripts/connect_to_mysql.php";

    if (isset(
    $_POST['username'])){

        
    $username $_POST['username'];
        
    $hash sha1($_POST['password']);

        
    $sql "SELECT * FROM members WHERE username= '".$username."' AND password='".$hash."' LIMIT 1";
        
    $res mysql_query($sql);
        if(
    mysql_num_rows($res) == 1){
            
    $row mysql_fetch_assoc(mysql_query("$sql"));
                if(
    $row['id'] > 0){
                
    $_SESSION['id'] = $row['id'];
                
    $_SESSION['username']= $row['username'];
                
    $_SESSION['email']= $row['email'];
                
    $id = ($_SESSION['id']);
                
    $username = ($_SESSION['username']);
                
    $email = ($_SESSION['email']);
                
                }
            echo 
    "<font color='green'>Login successful.</font>";
            echo 
    $id;
            exit();
        }
        else{
            echo 
    "<font color='red'>Login not successful. Please try again.</font>";
            exit();
        }
    }

    ?>

    and i can put this on any other page and it says im not logged in
    PHP Code:
    <?php
    ini_set
    ("display_errors""1");
    error_reporting(E_ALL);
    if(!isset(
    $_SESSION['id']) || empty($_SESSION['id'])) {
        print 
    'You are not logged in';
        die();
        }
    if(isset(
    $_SESSION['username'])){
        print 
    'LOGGED IN!!!';
        }
    ?>
    No errors are returned.

    If anyone has any idea for me it is much appreciated.
    Last edited by ershy; 11-23-2012 at 12:04 AM.

  2. #2
    Join Date
    Mar 2009
    Posts
    452
    to use session you must start it in every file where the session is used, or you can simply make a library file containing common used stuff and include it in a the pages.
    so add sesstion_start(); in the second file

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