comment se déconnecter d'un blog

[glasgow]

slt tout le monde,
voila j`ai un problem j`ai cree un blog avec le programme suivant,

Code :

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<?php
 
    define('email','rrrrr@yahoo.fr');
    define('pasword','jean');
 
 
session_start();
 	// Display HTTP Authentication Challenge
 
 
        // Function to authenticate
    function authenticated($email, $password) {
 
        // Connect to Database Server
     $link=mysql_connect ("devweb2007.cis.strath.ac.uk", "rhrhy", "urelesss");
 
        // Choose database
      mysql_select_db("gtgd", $link);
 
        // Build SQL query to:
            // find row in database with 
            // matching $username and $password
      $query = "SELECT email, password FROM blog_user where email='".$email."' and password='".$password."'";
       $result = mysql_query($query, $link);
 
        // IF number of rows is equal to one
            // return true
      if (mysql_num_rows($result) > 0)
      {
	//echo "AAAAAA";
	//session_start();	
	$_SESSION['email'] = $email;
        return true;
      }
        // ELSE
            // return false
      else return false;
    }
 
    // Assign username and password from $_SERVER global array
 
    $email = $_SERVER["PHP_AUTH_USER"];
    $password = $_SERVER["PHP_AUTH_PW"];
     // Start, or find an existing session
 
  // Check if there is an email value set in the $_SESSION variables
 
 if (isset($_SESSION['email'])) { 
    // if a previous session exists 
	//session_start();
    echo "Welcome back, " . $_SESSION['email'] . 
         ". This session was activated "; 
	echo '<a href="index.php">index.php <br/></a>';
	}
 
    // Decide whether to show blog entry form, or deny access
    elseif(empty($_SESSION['email'])) {
	//session_start();
        if (!authenticated($email, $password)) {
        // Credentials either:
            // not sent (1st time script is called)
            // credentials do not match database
 
        // Display HTTP Authentication Challenge
        header("WWW-Authenticate: Basic Realm=\"<name>'s Blog Entry Form\"");
        header("HTTP/1.1 401 Unauthorised");
 
        // Print a message about incorrect credentials
        echo "incoorrect credentials";
 
 
        exit;
	}
 
    else {
        // Correct credentials provided, print the blog entry form
      // header( "Location: index.php" ) ; 
      echo '<a href="index.php">index.php <br/></a>';
 
	}
 
    }
 
 
 
 echo '<a href="logout.php">logout!</a>';
 
?>

mais quand je clic sur logout la variable session garde en memoir mon mail et mot de passe je sais pas pour quoi
que dois je faire?

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<?php
// On appelle la session
session_start();
 
// On écrase le tableau de session
$_SESSION = array();
 
 
 
// On détruit la session
session_destroy();
 
// unset($_SESSION);
?>

[afrodje]

Il garde en mémoire ton login et mdp dans les champs mais tu n'est plus connecté... C'est ca?

C'est pas un problème de PHP mais plutôt un paramètre du navigateur