Posted by Pmpa on 03/04/05 02:39

Hi!
If I understand you correctly, I hope this helps:

<?
// file.php

ob_start();
session_start();

If (!isset($_SESSION['login'])){
If ( !( isset($_POST['name']) && isset($_POST['password']) &&
trim($_POST['name'])!="" && trim($_POST['password'])!="" ) ){
?>
<form method="post" action="file.php">
<input type="text" name="name">
<input type="password" name="password">
</form>
<?
}
else {
if (trim($_POST['name'])=="yourname" &&
trim($_POST['password'])=="yourpassword"){
$_SESSION['login']=$_POST['name'];
Header("Location file.php");
}
else {
// wrong data.
Header("Location file.php");
}
}
}
else {
$name=$_SESSION['login'];
echo "You are logged as ".$name;
}
?>

There are probably some errors I haven't run the code.
Pedro.

-----Mensagem original-----
De: rory walsh [mailto:rorywalsh@ear.ie]
Enviada: quinta-feira, 3 de Março de 2005 12:01
Para: php-general@lists.php.net
Assunto: [PHP] Preventing data from being reposted?

Is there anyway I can prevent data from being reposted when I hit the
back button on my browser? When I hit back I get a message from my
browser asking do I want to repost the data, can I prevent this window
from appearing?

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